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authorEgbert Eich <eich@suse.de>2004-04-02 21:47:33 +0000
committerEgbert Eich <eich@suse.de>2004-04-02 21:47:33 +0000
commit9bbe288d7fd59d4e192a986b8622915ce7b447a9 (patch)
treefafb6de8b24840bf282667b820de6e2b4d052c04 /hw/xfree86/doc/man
parent0f8d2fd7d0c6ff169abed9b07ac63b57d80b8811 (diff)
70. Merging in the TM branch (Egbert Eich).XORG-RELEASE-1-STSF-FORKXORG-CYGWIN-LAST-MERGE
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+.\" $XdotOrg: $
+.TH __xservername__ __appmansuffix__ __vendorversion__
+.SH NAME
+__xservername__ - X11R6 X server
+.SH SYNOPSIS
+.B __xservername__
+.RI [\fB:\fP display ]
+.RI [ option
+.IR ... ]
+.SH DESCRIPTION
+.B __xservername__
+is a full featured X server that was originally designed for UNIX and
+UNIX-like operating systems running on Intel x86 hardware. It now runs
+on a wider range of hardware and OS platforms.
+.PP
+This work was derived from
+.I "XFree86\ 4.4rc2"
+by the X.Org Foundation.
+The XFree86 4.4rc2 release was originally derived from
+.I "X386\ 1.2"
+by Thomas Roell which was contributed to X11R5 by Snitily Graphics
+Consulting Service. The
+.B __xservername__
+server architecture includes
+among many other things a loadable module system derived from code
+donated by Metro Link, Inc. The current __xservername__ release is compatible
+with X11R6.6.
+.SH PLATFORMS
+.PP
+.B __xservername__
+operates under a wide range of operating systems and hardware platforms.
+The Intel x86 (IA32) architecture is the most widely supported hardware
+platform. Other hardware platforms include Compaq Alpha, Intel IA64,
+SPARC and PowerPC. The most widely supported operating systems are the
+free/OpenSource UNIX-like systems such as Linux, FreeBSD, NetBSD and
+OpenBSD. Commercial UNIX operating systems such as Solaris (x86) and
+UnixWare are also supported. Other supported operating systems include
+LynxOS, and GNU Hurd. Darwin and Mac OS X are supported with the
+XDarwin(1) X server. Win32/Cygwin is supported with the XWin X server.
+.PP
+.SH "NETWORK CONNECTIONS"
+.B __xservername__
+supports connections made using the following reliable
+byte-streams:
+.TP 4
+.I "Local"
+On most platforms, the "Local" connection type is a UNIX-domain socket.
+On some System V platforms, the "local" connection types also include
+STREAMS pipes, named pipes, and some other mechanisms.
+.TP 4
+.I TCP\/IP
+.B __xservername__
+listens on port
+.RI 6000+ n ,
+where
+.I n
+is the display number. This connection type can be disabled with the
+.B \-nolisten
+option (see the Xserver(1) man page for details).
+.SH "ENVIRONMENT VARIABLES"
+For operating systems that support local connections other than Unix
+Domain sockets (SVR3 and SVR4), there is a compiled-in list specifying
+the order in which local connections should be attempted. This list
+can be overridden by the
+.I XLOCAL
+environment variable described below. If the display name indicates a
+best-choice connection should be made (e.g.
+.BR :0.0 ),
+each connection mechanism is tried until a connection succeeds or no
+more mechanisms are available. Note: for these OSs, the Unix Domain
+socket connection is treated differently from the other local connection
+types. To use it the connection must be made to
+.BR unix:0.0 .
+.PP
+The
+.I XLOCAL
+environment variable should contain a list of one more
+more of the following:
+.PP
+.RS 8
+.nf
+NAMED
+PTS
+SCO
+ISC
+.fi
+.RE
+.PP
+which represent SVR4 Named Streams pipe, Old-style USL Streams pipe,
+SCO XSight Streams pipe, and ISC Streams pipe, respectively. You can
+select a single mechanism (e.g.
+.IR XLOCAL=NAMED ),
+or an ordered list (e.g. \fIXLOCAL="NAMED:PTS:SCO"\fP).
+his variable overrides the compiled-in defaults. For SVR4 it is
+recommended that
+.I NAMED
+be the first preference connection. The default setting is
+.IR PTS:NAMED:ISC:SCO .
+.PP
+To globally override the compiled-in defaults, you should define (and
+export if using
+.B sh
+or
+.BR ksh )
+.I XLOCAL
+globally. If you use startx(1) or xinit(1), the definition should be
+at the top of your
+.I .xinitrc
+file. If you use xdm(1), the definitions should be early on in the
+.I __projectroot__/lib/X11/xdm/Xsession
+script.
+.SH OPTIONS
+.B __xservername__
+supports several mechanisms for supplying/obtaining configuration and
+run-time parameters: command line options, environment variables, the
+__xconfigfile__(__filemansuffix__) configuration file, auto-detection, and
+fallback defaults. When the same information is supplied in more than
+one way, the highest precedence mechanism is used. The list of mechanisms
+is ordered from highest precedence to lowest. Note that not all parameters
+can be supplied via all methods. The available command line options
+and environment variables (and some defaults) are described here and in
+the Xserver(1) manual page. Most configuration file parameters, with
+their defaults, are described in the __xconfigfile__(__filemansuffix__) manual
+page. Driver and module specific configuration parameters are described
+in the relevant driver or module manual page.
+.PP
+In addition to the normal server options described in the Xserver(1)
+manual page,
+.B __xservername__
+accepts the following command line switches:
+.TP 8
+.BI vt XX
+.I XX
+specifies the Virtual Terminal device number which
+.B __xservername__
+will use. Without this option,
+.B __xservername__
+will pick the first available Virtual Terminal that it can locate. This
+option applies only to platforms such as Linux, BSD, SVR3 and SVR4, that
+have virtual terminal support.
+.TP
+.B \-allowMouseOpenFail
+Allow the server to start up even if the mouse device can't be opened
+or initialised. This is equivalent to the
+.B AllowMouseOpenFail
+__xconfigfile__(__filemansuffix__) file option.
+.TP 8
+.B \-allowNonLocalModInDev
+Allow changes to keyboard and mouse settings from non-local clients.
+By default, connections from non-local clients are not allowed to do
+this. This is equivalent to the
+.B AllowNonLocalModInDev
+__xconfigfile__(__filemansuffix__) file option.
+.TP 8
+.B \-allowNonLocalXvidtune
+Make the VidMode extension available to remote clients. This allows
+the xvidtune client to connect from another host. This is equivalent
+to the
+.B AllowNonLocalXvidtune
+__xconfigfile__(__filemansuffix__) file option. By default non-local
+connections are not allowed.
+.TP 8
+.BI \-bgamma " value"
+Set the blue gamma correction.
+.I value
+must be between 0.1 and 10.
+The default is 1.0. Not all drivers support this. See also the
+.BR \-gamma ,
+.BR \-rgamma ,
+and
+.B \-ggamma
+options.
+.TP 8
+.BI \-bpp " n"
+No longer supported. Use
+.B \-depth
+to set the color depth, and use
+.B \-fbbpp
+if you really need to force a non-default framebuffer (hardware) pixel
+format.
+.TP
+.B \-configure
+When this option is specified, the
+.B __xservername__
+server loads all video driver modules, probes for available hardware,
+and writes out an initial __xconfigfile__(__filemansuffix__) file based on
+what was detected. This option currently has some problems on some
+platforms, but in most cases it is a good way to bootstrap the
+configuration process. This option is only available when the server
+is run as root (i.e, with real-uid 0).
+.TP 8
+.BI "\-crt /dev/tty" XX
+SCO only. This is the same as the
+.B vt
+option, and is provided for compatibility with the native SCO X server.
+.TP 8
+.BI \-depth " n"
+Sets the default color depth. Legal values are 1, 4, 8, 15, 16, and
+24. Not all drivers support all values.
+.TP 8
+.B \-disableModInDev
+Disable dynamic modification of input device settings. This is equivalent
+to the
+.B DisableModInDev
+__xconfigfile__(__filemansuffix__) file option.
+.TP 8
+.B \-disableVidMode
+Disable the the parts of the VidMode extension (used by the xvidtune
+client) that can be used to change the video modes. This is equivalent
+to the
+.B DisableVidModeExtension
+__xconfigfile__(__filemansuffix__) file option.
+.TP 8
+.B \-fbbpp \fIn\fP
+Sets the number of framebuffer bits per pixel. You should only set this
+if you're sure it's necessary; normally the server can deduce the correct
+value from
+.B \-depth
+above. Useful if you want to run a depth 24 configuration with a 24
+bpp framebuffer rather than the (possibly default) 32 bpp framebuffer
+(or vice versa). Legal values are 1, 8, 16, 24, 32. Not all drivers
+support all values.
+.TP 8
+.B \-flipPixels
+Swap the default values for the black and white pixels.
+.TP 8
+.BI \-gamma " value"
+Set the gamma correction.
+.I value
+must be between 0.1 and 10. The default is 1.0. This value is applied
+equally to the R, G and B values. Those values can be set independently
+with the
+.BR \-rgamma ,
+.BR \-bgamma ,
+and
+.B \-ggamma
+options. Not all drivers support this.
+.TP 8
+.BI \-ggamma " value"
+Set the green gamma correction.
+.I value
+must be between 0.1 and 10. The default is 1.0. Not all drivers support
+this. See also the
+.BR \-gamma ,
+.BR \-rgamma ,
+and
+.B \-bgamma
+options.
+.TP 8
+.B \-ignoreABI
+The
+.B __xservername__
+server checks the ABI revision levels of each module that it loads. It
+will normally refuse to load modules with ABI revisions that are newer
+than the server's. This is because such modules might use interfaces
+that the server does not have. When this option is specified, mismatches
+like this are downgraded from fatal errors to warnings. This option
+should be used with care.
+.TP 8
+.B \-keeptty
+Prevent the server from detaching its initial controlling terminal.
+This option is only useful when debugging the server. Not all platforms
+support (or can use) this option.
+.TP 8
+.BI \-keyboard " keyboard-name"
+Use the __xconfigfile__(__filemansuffix__) file
+.B InputDevice
+section called
+.I keyboard-name
+as the core keyboard. This option is ignored when the
+.B Layout
+section specifies a core keyboard. In the absence of both a Layout
+section and this option, the first relevant
+.B InputDevice
+section is used for the core keyboard.
+.TP 8
+.BI \-layout " layout-name"
+Use the __xconfigfile__(__filemansuffix__) file
+.B Layout
+section called
+.IR layout-name .
+By default the first
+.B Layout
+section is used.
+.TP 8
+.BI \-logfile " filename"
+Use the file called
+.I filename
+as the
+.B __xservername__
+server log file. The default log file is
+.BI __logdir__/__xservername__. n .log
+on most platforms, where
+.I n
+is the display number of the
+.B __xservername__
+server. The default may be in a different directory on some platforms.
+This option is only available when the server is run as root (i.e, with
+real-uid 0).
+.TP 8
+.BR \-logverbose " [\fIn\fP]"
+Sets the verbosity level for information printed to the
+.B __xservername__
+server log file. If the
+.I n
+value isn't supplied, each occurrence of this option increments the log
+file verbosity level. When the
+.I n
+value is supplied, the log file verbosity level is set to that value.
+The default log file verbosity level is 3.
+.TP 8
+.BI \-modulepath " searchpath"
+Set the module search path to
+.IR searchpath .
+.I searchpath
+is a comma separated list of directories to search for
+.B __xservername__
+server modules. This option is only available when the server is run
+as root (i.e, with real-uid 0).
+.TP 8
+.B \-nosilk
+Disable Silken Mouse support.
+.TP 8
+.B \-pixmap24
+Set the internal pixmap format for depth 24 pixmaps to 24 bits per pixel.
+The default is usually 32 bits per pixel. There is normally little
+reason to use this option. Some client applications don't like this
+pixmap format, even though it is a perfectly legal format. This is
+equivalent to the
+.B Pixmap
+__xconfigfile__(__filemansuffix__) file option.
+.TP 8
+.B \-pixmap32
+Set the internal pixmap format for depth 24 pixmaps to 32 bits per pixel.
+This is usually the default. This is equivalent to the
+.B Pixmap
+__xconfigfile__(__filemansuffix__) file option.
+.TP 8
+.BI \-pointer " pointer-name"
+Use the __xconfigfile__(__filemansuffix__) file
+.B InputDevice
+section called
+.I pointer-name
+as the core pointer. This option is ignored when the
+.B Layout
+section specifies a core pointer. In the absence of both a Layout
+section and this option, the first relevant
+.B InputDevice
+section is used for the core pointer.
+.TP 8
+.B \-probeonly
+Causes the server to exit after the device probing stage. The
+__xconfigfile__(__filemansuffix__) file is still used when this option is
+given, so information that can be auto-detected should be commented out.
+.TP 8
+.B \-quiet
+Suppress most informational messages at startup. The verbosity level
+is set to zero.
+.TP 8
+.BI \-rgamma " value"
+Set the red gamma correction.
+.I value
+must be between 0.1 and 10. The default is 1.0. Not all drivers support
+this. See also the
+.BR \-gamma ,
+.BR \-bgamma ,
+and
+.B \-ggamma
+options.
+.TP 8
+.B \-scanpci
+When this option is specified, the
+.B __xservername__
+server scans the PCI bus, and prints out some information about each
+device that was detected. See also scanpci(1) and pcitweak(1).
+.TP 8
+.BI \-screen " screen-name"
+Use the __xconfigfile__(__filemansuffix__) file
+.B Screen
+section called
+.IR screen-name .
+By default the screens referenced by the default
+.B Layout
+section are used, or the first
+.B Screen
+section when there are no
+.B Layout
+sections.
+.TP 8
+.B \-showconfig
+This is the same as the
+.B \-version
+option, and is included for compatibility reasons. It may be removed
+in a future release, so the
+.B \-version
+option should be used instead.
+.TP 8
+.BI \-weight " nnn"
+Set RGB weighting at 16 bpp. The default is 565. This applies only to
+those drivers which support 16 bpp.
+.TP 8
+.BR \-verbose " [\fIn\fP]"
+Sets the verbosity level for information printed on stderr. If the
+.I n
+value isn't supplied, each occurrence of this option increments the
+verbosity level. When the
+.I n
+value is supplied, the verbosity level is set to that value. The default
+verbosity level is 0.
+.TP 8
+.B \-version
+Print out the server version, patchlevel, release date, the operating
+system/platform it was built on, and whether it includes module loader
+support.
+.TP 8
+.BI \-config " file"
+Read the server configuration from
+.IR file .
+This option will work for any file when the server is run as root (i.e,
+with real-uid 0), or for files relative to a directory in the config
+search path for all other users.
+.SH "KEYBOARD"
+.PP
+The
+.B __xservername__
+server is normally configured to recognize various special combinations
+of key presses that instruct the server to perform some action, rather
+than just sending the key press event to a client application. The
+default XKEYBOARD keymap defines the key combinations listed below.
+The server also has these key combinations builtin to its event handler
+for cases where the XKEYBOARD extension is not being used. When using
+the XKEYBOARD extension, which key combinations perform which actions
+is completely configurable.
+.PP
+For more information about when the builtin event handler
+is used to recognize the special key combinations, see
+the documentation on the
+.B HandleSpecialKeys
+option in the __xconfigfile__(__filemansuffix__) man page.
+.PP
+The special combinations of key presses recognized directly
+by
+.B __xservername__
+are:
+.TP 8
+.B Ctrl+Alt+Backspace
+Immediately kills the server -- no questions asked. This can be disabled
+with the
+.B DontZap
+__xconfigfile__(__filemansuffix__) file option.
+.TP 8
+.B Ctrl+Alt+Keypad-Plus
+Change video mode to next one specified in the configuration file.
+This can be disabled with the
+.B DontZoom
+__xconfigfile__(__filemansuffix__) file option.
+.TP 8
+.B Ctrl+Alt+Keypad-Minus
+Change video mode to previous one specified in the configuration file.
+This can be disabled with the
+.B DontZoom
+__xconfigfile__(__filemansuffix__) file option.
+.TP 8
+.B Ctrl+Alt+Keypad-Multiply
+Not treated specially by default. If the
+.B AllowClosedownGrabs
+__xconfigfile__(__filemansuffix__) file option is specified, this key sequence
+kills clients with an active keyboard or mouse grab as well as killing any
+application that may have locked the server, normally using the
+XGrabServer(__libmansuffix__) Xlib function.
+.TP 8
+.B Ctrl+Alt+Keypad-Divide
+Not treated specially by default. If the
+.B AllowDeactivateGrabs
+__xconfigfile__(__filemansuffix__) file option is specified, this key sequence
+deactivates any active keyboard and mouse grabs.
+.TP 8
+.B Ctrl+Alt+F1...F12
+For BSD and Linux systems with virtual terminal support, these keystroke
+combinations are used to switch to virtual terminals 1 through 12,
+respectively. This can be disabled with the
+.B DontVTSwitch
+__xconfigfile__(__filemansuffix__) file option.
+.SH CONFIGURATION
+.B __xservername__
+typically uses a configuration file called
+.B __xconfigfile__
+for its initial setup.
+Refer to the __xconfigfile__(__filemansuffix__) manual page for information
+about the format of this file.
+.PP
+Starting with version 4.4,
+.B __xservername__
+has a mechanism for automatically generating a built-in configuration
+at run-time when no
+.B __xconfigfile__
+file is present. The current version of this automatic configuration
+mechanism works in three ways.
+.PP
+The first is via enhancements that have made many components of the
+.B __xconfigfile__
+file optional. This means that information that can be probed or
+reasonably deduced doesn't need to be specified explicitly, greatly
+reducing the amount of built-in configuration information that needs to
+be generated at run-time.
+.PP
+The second is to use an external utility called getconfig(1), when
+available, to use meta-configuration information to generate a suitable
+configuration for the primary video device. The meta-configuration
+information can be updated to allow an existing installation to get the
+best out of new hardware or to work around bugs that are found
+post-release.
+.PP
+The third is to have "safe" fallbacks for most configuration information.
+This maximises the likelihood that the
+.B __xservername__
+server will start up in some usable configuration even when information
+about the specific hardware is not available.
+.PP
+The automatic configuration support for __xservername__ is work in progress.
+It is currently aimed at the most popular hardware and software platforms
+supported by __xservername__. Enhancements are planned for future releases.
+.SH FILES
+The
+.B __xservername__
+server config file can be found in a range of locations. These are
+documented fully in the __xconfigfile__(__filemansuffix__) manual page. The
+most commonly used locations are shown here.
+.TP 30
+.B /etc/X11/__xconfigfile__
+Server configuration file.
+.TP 30
+.B /etc/X11/__xconfigfile__-4
+Server configuration file.
+.TP 30
+.B /etc/__xconfigfile__
+Server configuration file.
+.TP 30
+.B __projectroot__/etc/__xconfigfile__
+Server configuration file.
+.TP 30
+.B __projectroot__/lib/X11/__xconfigfile__
+Server configuration file.
+.TP 30
+.BI __logdir__/__xservername__. n .log
+Server log file for display
+.IR n .
+.TP 30
+.B __projectroot__/bin/\(**
+Client binaries.
+.TP 30
+.B __projectroot__/include/\(**
+Header files.
+.TP 30
+.B __projectroot__/lib/\(**
+Libraries.
+.TP 30
+.B __projectroot__/lib/X11/fonts/\(**
+Fonts.
+.TP 30
+.B __projectroot__/lib/X11/rgb.txt
+Color names to RGB mapping.
+.TP 30
+.B __projectroot__/lib/X11/XErrorDB
+Client error message database.
+.TP 30
+.B __projectroot__/lib/X11/app-defaults/\(**
+Client resource specifications.
+.TP 30
+.B __projectroot__/man/man?/\(**
+Manual pages.
+.TP 30
+.BI /etc/X n .hosts
+Initial access control list for display
+.IR n .
+.SH "SEE ALSO"
+X(__miscmansuffix__), Xserver(__appmansuffix__), xdm(__appmansuffix__), xinit(__appmansuffix__),
+__xconfigfile__(__filemansuffix__), xorgconfig(__appmansuffix__), xorgcfg(__appmansuffix__), xvidtune(__appmansuffix__),
+apm(__drivermansuffix__),
+ati(__drivermansuffix__),
+chips(__drivermansuffix__),
+cirrus(__drivermansuffix__),
+cyrix(__drivermansuffix__),
+fbdev(__drivermansuffix__),
+glide(__drivermansuffix__),
+glint(__drivermansuffix__),
+i128(__drivermansuffix__),
+i740(__drivermansuffix__),
+i810(__drivermansuffix__),
+imstt(__drivermansuffix__),
+mga(__drivermansuffix__),
+neomagic(__drivermansuffix__),
+nsc(__drivermansuffix__),
+nv(__drivermansuffix__),
+r128(__drivermansuffix__),
+rendition(__drivermansuffix__),
+s3virge(__drivermansuffix__),
+siliconmotion(__drivermansuffix__),
+sis(__drivermansuffix__),
+sunbw2(__drivermansuffix__),
+suncg14(__drivermansuffix__),
+suncg3(__drivermansuffix__),
+suncg6(__drivermansuffix__),
+sunffb(__drivermansuffix__),
+sunleo(__drivermansuffix__),
+suntcx(__drivermansuffix__),
+tdfx(__drivermansuffix__),
+tga(__drivermansuffix__),
+trident(__drivermansuffix__),
+tseng(__drivermansuffix__),
+v4l(__drivermansuffix__),
+vesa(__drivermansuffix__),
+vga(__drivermansuffix__),
+vmware(__drivermansuffix__),
+.br
+Web site
+.IR <http://www.x.org> .
+
+.SH AUTHORS
+__xservername__ has many contributors world wide. The names of most of them
+can be found in the documentation, CHANGELOG files in the source tree,
+and in the actual source code.
+.PP
+__xservername__ was originally based on XFree86 4.4rc2.
+That was originally based on \fIX386 1.2\fP by Thomas Roell, which
+was contributed to the then X Consortium's X11R5 distribution by SGCS.
+.PP
+__xservername__ is released by the X.org Foundation.
+.PP
+The project that became XFree86 was originally founded in 1992 by
+David Dawes, Glenn Lai, Jim Tsillas and David Wexelblat.
+.PP
+XFree86 was later integrated in the then X Consortium's X11R6 release
+by a group of dedicated XFree86 developers, including the following:
+.PP
+.RS 4
+.nf
+Stuart Anderson \fIanderson@metrolink.com\fP
+Doug Anson \fIdanson@lgc.com\fP
+Gertjan Akkerman \fIakkerman@dutiba.twi.tudelft.nl\fP
+Mike Bernson \fImike@mbsun.mlb.org\fP
+Robin Cutshaw \fIrobin@XFree86.org\fP
+David Dawes \fIdawes@XFree86.org\fP
+Marc Evans \fImarc@XFree86.org\fP
+Pascal Haible \fIhaible@izfm.uni-stuttgart.de\fP
+Matthieu Herrb \fIMatthieu.Herrb@laas.fr\fP
+Dirk Hohndel \fIhohndel@XFree86.org\fP
+David Holland \fIdavidh@use.com\fP
+Alan Hourihane \fIalanh@fairlite.demon.co.uk\fP
+Jeffrey Hsu \fIhsu@soda.berkeley.edu\fP
+Glenn Lai \fIglenn@cs.utexas.edu\fP
+Ted Lemon \fImellon@ncd.com\fP
+Rich Murphey \fIrich@XFree86.org\fP
+Hans Nasten \fInasten@everyware.se\fP
+Mark Snitily \fImark@sgcs.com\fP
+Randy Terbush \fIrandyt@cse.unl.edu\fP
+Jon Tombs \fItombs@XFree86.org\fP
+Kees Verstoep \fIversto@cs.vu.nl\fP
+Paul Vixie \fIpaul@vix.com\fP
+Mark Weaver \fIMark_Weaver@brown.edu\fP
+David Wexelblat \fIdwex@XFree86.org\fP
+Philip Wheatley \fIPhilip.Wheatley@ColumbiaSC.NCR.COM\fP
+Thomas Wolfram \fIwolf@prz.tu-berlin.de\fP
+Orest Zborowski \fIorestz@eskimo.com\fP
+.fi
+.RE
+.PP
+__xservername__ source is available from the FTP server
+\fI<ftp://ftp.x.org/>\fP, and from the X.org
+server \fI<http://www.freedesktop.org/cvs/>\fP. Documentation and other
+information can be found from the X.org web site
+\fI<http://www.x.org/>\fP.
+
+.SH LEGAL
+.PP
+.B __xservername__
+is copyright software, provided under licenses that permit modification
+and redistribution in source and binary form without fee.
+.B __xservername__ is copyright by numerous authors and
+contributors from around the world. Licensing information can be found
+at
+.IR <http://www.x.org> .
+Refer to the source code for specific copyright notices.
+.PP
+.B XFree86(TM)
+is a trademark of The XFree86 Project, Inc.
+.PP
+.B X11(TM)
+and
+.B X Window System(TM)
+are trademarks of The Open Group.
diff --git a/hw/xfree86/doc/man/xorg.conf.man.pre b/hw/xfree86/doc/man/xorg.conf.man.pre
new file mode 100644
index 000000000..e530991e8
--- /dev/null
+++ b/hw/xfree86/doc/man/xorg.conf.man.pre
@@ -0,0 +1,1872 @@
+.\" $XdotOrg: xc/programs/Xserver/hw/xfree86/xorg.conf.man,v 1.1.2.1 2004/03/27 17:01:11 keithp Exp $
+.\" shorthand for double quote that works everywhere.
+.ds q \N'34'
+.TH __xconfigfile__ __filemansuffix__ __vendorversion__
+.SH NAME
+__xconfigfile__ - Configuration File for __xservername__
+.SH INTRODUCTION
+.B __xservername__
+supports several mechanisms for supplying/obtaining configuration and
+run-time parameters: command line options, environment variables, the
+__xconfigfile__ configuration file, auto-detection, and fallback defaults.
+When the same information is supplied in more than one way, the highest
+precedence mechanism is used. The list of mechanisms is ordered from
+highest precedence to lowest. Note that not all parameters can be
+supplied via all methods. The available command line options and
+environment variables (and some defaults) are described in the Xserver(__appmansuffix__)
+and __xservername__(__appmansuffix__) manual pages. Most configuration file parameters, with
+their defaults, are described below. Driver and module specific
+configuration parameters are described in the relevant driver or module
+manual page.
+.SH DESCRIPTION
+.B __xservername__
+uses a configuration file called
+.B __xconfigfile__
+for its initial setup. This configuration file is searched for in the
+following places when the server is started as a normal user:
+.PP
+.RS 4
+.nf
+.IR /etc/X11/ <cmdline>
+.IR __projectroot__/etc/X11/ <cmdline>
+.IB /etc/X11/ $XORGCONFIG
+.IB __projectroot__/etc/X11/ $XORGCONFIG
+.I /etc/X11/__xconfigfile__-4
+.I /etc/X11/__xconfigfile__
+.I /etc/__xconfigfile__
+.IR __projectroot__/etc/X11/__xconfigfile__. <hostname>
+.I __projectroot__/etc/X11/__xconfigfile__-4
+.I __projectroot__/etc/X11/__xconfigfile__
+.IR __projectroot__/lib/X11/__xconfigfile__. <hostname>
+.I __projectroot__/lib/X11/__xconfigfile__-4
+.I __projectroot__/lib/X11/__xconfigfile__
+.fi
+.RE
+.PP
+where
+.I <cmdline>
+is a relative path (with no ".." components) specified with the
+.B \-config
+command line option,
+.B $XORGCONFIG
+is the relative path (with no ".." components) specified by that
+environment variable, and
+.I <hostname>
+is the machine's hostname as reported by gethostname(3).
+.PP
+When the __xservername__ server is started by the "root" user, the config file
+search locations are as follows:
+.PP
+.RS 4
+.nf
+<cmdline>
+.IR /etc/X11/ <cmdline>
+.IR __projectroot__/etc/X11/ <cmdline>
+.B $XORGCONFIG
+.IB /etc/X11/ $XORGCONFIG
+.IB __projectroot__/etc/X11/ $XORGCONFIG
+.BI $HOME /__xconfigfile__
+.I /etc/X11/__xconfigfile__-4
+.I /etc/X11/__xconfigfile__
+.I /etc/__xconfigfile__
+.IR __projectroot__/etc/X11/__xconfigfile__. <hostname>
+.I __projectroot__/etc/X11/__xconfigfile__-4
+.I __projectroot__/etc/X11/__xconfigfile__
+.IR __projectroot__/lib/X11/__xconfigfile__. <hostname>
+.I __projectroot__/lib/X11/__xconfigfile__-4
+.I __projectroot__/lib/X11/__xconfigfile__
+.fi
+.RE
+.PP
+where
+.I <cmdline>
+is the path specified with the
+.B \-config
+command line option (which may be absolute or relative),
+.B $XORGCONFIG
+is the path specified by that
+environment variable (absolute or relative),
+.B $HOME
+is the path specified by that environment variable (usually the home
+directory), and
+.I <hostname>
+is the machine's hostname as reported by gethostname(3).
+.PP
+The
+.B __xconfigfile__
+file is composed of a number of sections which may be present in any
+order. Each section has
+the form:
+.PP
+.RS 4
+.nf
+.BI "Section \*q" SectionName \*q
+.RI " " SectionEntry
+ ...
+.B EndSection
+.fi
+.RE
+.PP
+The section names are:
+.PP
+.RS 4
+.nf
+.BR "Files " "File pathnames"
+.BR "ServerFlags " "Server flags"
+.BR "Module " "Dynamic module loading"
+.BR "InputDevice " "Input device description"
+.BR "Device " "Graphics device description"
+.BR "VideoAdaptor " "Xv video adaptor description"
+.BR "Monitor " "Monitor description"
+.BR "Modes " "Video modes descriptions"
+.BR "Screen " "Screen configuration"
+.BR "ServerLayout " "Overall layout"
+.BR "DRI " "DRI-specific configuration"
+.BR "Vendor " "Vendor-specific configuration"
+.fi
+.RE
+.PP
+The following obsolete section names are still recognised for compatibility
+purposes. In new config files, the
+.B InputDevice
+section should be used instead.
+.PP
+.RS 4
+.nf
+.BR "Keyboard " "Keyboard configuration"
+.BR "Pointer " "Pointer/mouse configuration"
+.fi
+.RE
+.PP
+The old
+.B XInput
+section is no longer recognised.
+.PP
+The
+.B ServerLayout
+sections are at the highest level. They bind together the input and
+output devices that will be used in a session. The input devices
+are described in the
+.B InputDevice
+sections. Output devices usually consist of multiple independent
+components (e.g., and graphics board and a monitor). These multiple
+components are bound together in the
+.B Screen
+sections, and it is these that are referenced by the
+.B ServerLayout
+section. Each
+.B Screen
+section binds together a graphics board and a monitor. The graphics
+boards are described in the
+.B Device
+sections, and the monitors are described in the
+.B Monitor
+sections.
+.PP
+Config file keywords are case-insensitive, and "_" characters are
+ignored. Most strings (including
+.B Option
+names) are also case-insensitive, and insensitive to white space and
+"_" characters.
+.PP
+Each config file entry usually takes up a single line in the file.
+They consist of a keyword, which is possibly followed by one or
+more arguments, with the number and types of the arguments depending
+on the keyword. The argument types are:
+.PP
+.RS 4
+.nf
+.BR "Integer " "an integer number in decimal, hex or octal"
+.BR "Real " "a floating point number"
+.BR "String " "a string enclosed in double quote marks (\*q)"
+.fi
+.RE
+.PP
+Note: hex integer values must be prefixed with "0x", and octal values
+with "0".
+.PP
+A special keyword called
+.B Option
+may be used to provide free-form data to various components of the server.
+The
+.B Option
+keyword takes either one or two string arguments. The first is the option
+name, and the optional second argument is the option value. Some commonly
+used option value types include:
+.PP
+.RS 4
+.nf
+.BR "Integer " "an integer number in decimal, hex or octal"
+.BR "Real " "a floating point number"
+.BR "String " "a sequence of characters"
+.BR "Boolean " "a boolean value (see below)"
+.BR "Frequency " "a frequency value (see below)"
+.fi
+.RE
+.PP
+Note that
+.I all
+.B Option
+values, not just strings, must be enclosed in quotes.
+.PP
+Boolean options may optionally have a value specified. When no value
+is specified, the option's value is
+.BR TRUE .
+The following boolean option values are recognised as
+.BR TRUE :
+.PP
+.RS 4
+.BR 1 ,
+.BR on ,
+.BR true ,
+.B yes
+.RE
+.PP
+and the following boolean option values are recognised as
+.BR FALSE :
+.PP
+.RS 4
+.BR 0 ,
+.BR off ,
+.BR false ,
+.B no
+.RE
+.PP
+If an option name is prefixed with
+.RB \*q No \*q,
+then the option value is negated.
+.PP
+Example: the following option entries are equivalent:
+.PP
+.RS 4
+.nf
+.B "Option \*qAccel\*q \*qOff\*q"
+.B "Option \*qNoAccel\*q"
+.B "Option \*qNoAccel\*q \*qOn\*q"
+.B "Option \*qAccel\*q \*qfalse\*q"
+.B "Option \*qAccel\*q \*qno\*q"
+.fi
+.RE
+.PP
+Frequency option values consist of a real number that is optionally
+followed by one of the following frequency units:
+.PP
+.RS 4
+.BR Hz ,
+.BR k ,
+.BR kHz ,
+.BR M ,
+.B MHz
+.RE
+.PP
+When the unit name is omitted, the correct units will be determined from
+the value and the expectations of the appropriate range of the value.
+It is recommended that the units always be specified when using frequency
+option values to avoid any errors in determining the value.
+.SH FILES SECTION
+The
+.B Files
+section is used to specify some path names required by the server.
+Some of these paths can also be set from the command line (see Xserver(__appmansuffix__)
+and __xservername__(__appmansuffix__)). The command line settings override the values specified
+in the config file. The
+.B Files
+section is optional, as are all of the entries that may appear in it.
+.PP
+The entries that can appear in this section are:
+.TP 7
+.BI "FontPath \*q" path \*q
+sets the search path for fonts. This path is a comma separated list of
+font path elements which the __xservername__ server searches for font databases.
+Multiple
+.B FontPath
+entries may be specified, and they will be concatenated to build up the
+fontpath used by the server. Font path elements may be either absolute
+directory paths, or a font server identifier. Font server identifiers
+have the form:
+.PP
+.RS 11
+.IR <trans> / <hostname> : <port-number>
+.RE
+.PP
+.RS 7
+where
+.I <trans>
+is the transport type to use to connect to the font server (e.g.,
+.B unix
+for UNIX-domain sockets or
+.B tcp
+for a TCP/IP connection),
+.I <hostname>
+is the hostname of the machine running the font server, and
+.I <port-number>
+is the port number that the font server is listening on (usually 7100).
+.PP
+When this entry is not specified in the config file, the server falls back
+to the compiled-in default font path, which contains the following
+font path elements:
+.PP
+.RS 4
+.nf
+.I __projectroot__/lib/X11/fonts/misc/
+.I __projectroot__/lib/X11/fonts/Speedo/
+.I __projectroot__/lib/X11/fonts/Type1/
+.I __projectroot__/lib/X11/fonts/CID/
+.I __projectroot__/lib/X11/fonts/75dpi/
+.I __projectroot__/lib/X11/fonts/100dpi/
+.fi
+.RE
+.PP
+The recommended font path contains the following font path elements:
+.PP
+.RS 4
+.nf
+.I __projectroot__/lib/X11/fonts/local/
+.I __projectroot__/lib/X11/fonts/misc/
+.I __projectroot__/lib/X11/fonts/75dpi/:unscaled
+.I __projectroot__/lib/X11/fonts/100dpi/:unscaled
+.I __projectroot__/lib/X11/fonts/Type1/
+.I __projectroot__/lib/X11/fonts/CID/
+.I __projectroot__/lib/X11/fonts/Speedo/
+.I __projectroot__/lib/X11/fonts/75dpi/
+.I __projectroot__/lib/X11/fonts/100dpi/
+.fi
+.RE
+.PP
+Font path elements that are found to be invalid are removed from the
+font path when the server starts up.
+.RE
+.TP 7
+.BI "RGBPath \*q" path \*q
+sets the path name for the RGB color database.
+When this entry is not specified in the config file, the server falls back
+to the compiled-in default RGB path, which is:
+.PP
+.RS 11
+.I __projectroot__/lib/X11/rgb
+.RE
+.PP
+Note that an implicit
+.I .txt
+is added to this path if the server was compiled to use text rather than
+binary format RGB color databases.
+.TP 7
+.BI "ModulePath \*q" path \*q
+sets the search path for loadable __xservername__ server modules. This path is
+a comma separated list of directories which the __xservername__ server searches
+for loadable modules loading in the order specified. Multiple
+.B ModulePath
+entries may be specified, and they will be concatenated to build the
+module search path used by the server.
+.\" The LogFile keyword is not currently implemented
+.ig
+.TP 7
+.BI "LogFile \*q" path \*q
+sets the name of the __xservername__ server log file. The default log file name
+is
+.PP
+.RS 11
+.RI __logdir__/__xservername__. <n> .log
+.RE
+.PP
+.RS 7
+where
+.I <n>
+is the display number for the __xservername__ server.
+..
+.SH SERVERFLAGS SECTION
+The
+.B ServerFlags
+section is used to specify some global
+__xservername__ server options. All of the entries in this section are
+.BR Options ,
+although for compatibility purposes some of the old style entries are
+still recognised. Those old style entries are not documented here, and
+using them is discouraged. The
+.B ServerFlags
+section is optional, as are the entries that may be specified in it.
+.PP
+.B Options
+specified in this section (with the exception of the
+.B \*qDefaultServerLayout\*q
+.BR Option )
+may be overridden by
+.B Options
+specified in the active
+.B ServerLayout
+section. Options with command line equivalents are overridden when their
+command line equivalent is used. The options recognised by this section
+are:
+.TP 7
+.BI "Option \*qDefaultServerLayout\*q \*q" layout-id \*q
+This specifies the default
+.B ServerLayout
+section to use in the absence of the
+.B \-layout
+command line option.
+.TP 7
+.BI "Option \*qNoTrapSignals\*q \*q" boolean \*q
+This prevents the __xservername__ server from trapping a range of unexpected
+fatal signals and exiting cleanly. Instead, the __xservername__ server will die
+and drop core where the fault occurred. The default behaviour is
+for the __xservername__ server to exit cleanly, but still drop a core file. In
+general you never want to use this option unless you are debugging
+an __xservername__ server problem and know how to deal with the consequences.
+.TP 7
+.BI "Option \*qDontVTSwitch\*q \*q" boolean \*q
+This disallows the use of the
+.BI Ctrl+Alt+F n
+sequence (where
+.RI F n
+refers to one of the numbered function keys). That sequence is normally
+used to switch to another \*qvirtual terminal\*q on operating systems
+that have this feature. When this option is enabled, that key sequence has
+no special meaning and is passed to clients. Default: off.
+.TP 7
+.BI "Option \*qDontZap\*q \*q" boolean \*q
+This disallows the use of the
+.B Ctrl+Alt+Backspace
+sequence. That sequence is normally used to terminate the __xservername__ server.
+When this option is enabled, that key sequence has no special meaning
+and is passed to clients. Default: off.
+.TP 7
+.BI "Option \*qDontZoom\*q \*q" boolean \*q
+This disallows the use of the
+.B Ctrl+Alt+Keypad-Plus
+and
+.B Ctrl+Alt+Keypad-Minus
+sequences. These sequences allows you to switch between video modes.
+When this option is enabled, those key sequences have no special meaning
+and are passed to clients. Default: off.
+.TP 7
+.BI "Option \*qDisableVidModeExtension\*q \*q" boolean \*q
+This disables the parts of the VidMode extension used by the xvidtune client
+that can be used to change the video modes. Default: the VidMode extension
+is enabled.
+.TP 7
+.BI "Option \*qAllowNonLocalXvidtune\*q \*q" boolean \*q
+This allows the xvidtune client (and other clients that use the VidMode
+extension) to connect from another host. Default: off.
+.TP 7
+.BI "Option \*qDisableModInDev\*q \*q" boolean \*q
+This disables the parts of the __xservername__-Misc extension that can be used to
+modify the input device settings dynamically. Default: that functionality
+is enabled.
+.TP 7
+.BI "Option \*qAllowNonLocalModInDev\*q \*q" boolean \*q
+This allows a client to connect from another host and change keyboard
+and mouse settings in the running server. Default: off.
+.TP 7
+.BI "Option \*qAllowMouseOpenFail\*q \*q" boolean \*q
+This allows the server to start up even if the mouse device can't be
+opened/initialised. Default: false.
+.TP 7
+.BI "Option \*qVTInit\*q \*q" command \*q
+Runs
+.I command
+after the VT used by the server has been opened.
+The command string is passed to "/bin/sh -c", and is run with the
+real user's id with stdin and stdout set to the VT. The purpose
+of this option is to allow system dependent VT initialisation
+commands to be run. This option should rarely be needed. Default: not set.
+.TP 7
+.BI "Option \*qVTSysReq\*q \*q" boolean \*q
+enables the SYSV-style VT switch sequence for non-SYSV systems
+which support VT switching. This sequence is
+.B Alt-SysRq
+followed
+by a function key
+.RB ( Fn ).
+This prevents the __xservername__ server trapping the
+keys used for the default VT switch sequence, which means that clients can
+access them. Default: off.
+.TP 7
+.BI "Option \*qXkbDisable\*q \*q" boolean \*q
+disable/enable the XKEYBOARD extension. The \-kb command line
+option overrides this config file option. Default: XKB is enabled.
+.\" The following four options are "undocumented".
+.ig
+.TP 7
+.BI "Option \*qPciProbe1\*q"
+Use PCI probe method 1. Default: set.
+.TP 7
+.BI "Option \*qPciProbe2\*q"
+Use PCI probe method 2. Default: not set.
+.TP 7
+.BI "Option \*qPciForceConfig1\*q"
+Force the use PCI config type 1. Default: not set.
+.TP 7
+.BI "Option \*qPciForceConfig2\*q"
+Force the use PCI config type 2. Default: not set.
+..
+.TP 7
+.BI "Option \*qBlankTime\*q \*q" time \*q
+sets the inactivity timeout for the blanking phase of the screensaver.
+.I time
+is in minutes. This is equivalent to the __xservername__ server's `-s' flag,
+and the value can be changed at run-time with xset(__appmansuffix__). Default: 10
+minutes.
+.TP 7
+.BI "Option \*qStandbyTime\*q \*q" time \*q
+sets the inactivity timeout for the "standby" phase of DPMS mode.
+.I time
+is in minutes, and the value can be changed at run-time with xset(__appmansuffix__).
+Default: 20 minutes. This is only suitable for VESA DPMS compatible
+monitors, and may not be supported by all video drivers. It is only
+enabled for screens that have the
+.B \*qDPMS\*q
+option set (see the MONITOR section below).
+.TP 7
+.BI "Option \*qSuspendTime\*q \*q" time \*q
+sets the inactivity timeout for the "suspend" phase of DPMS mode.
+.I time
+is in minutes, and the value can be changed at run-time with xset(__appmansuffix__).
+Default: 30 minutes. This is only suitable for VESA DPMS compatible
+monitors, and may not be supported by all video drivers. It is only
+enabled for screens that have the
+.B \*qDPMS\*q
+option set (see the MONITOR section below).
+.TP 7
+.BI "Option \*qOffTime\*q \*q" time \*q
+sets the inactivity timeout for the "off" phase of DPMS mode.
+.I time
+is in minutes, and the value can be changed at run-time with xset(__appmansuffix__).
+Default: 40 minutes. This is only suitable for VESA DPMS compatible
+monitors, and may not be supported by all video drivers. It is only
+enabled for screens that have the
+.B \*qDPMS\*q
+option set (see the MONITOR section below).
+.TP 7
+.BI "Option \*qPixmap\*q \*q" bpp \*q
+This sets the pixmap format to use for depth 24. Allowed values for
+.I bpp
+are 24 and 32. Default: 32 unless driver constraints don't allow this
+(which is rare). Note: some clients don't behave well when this value
+is set to 24.
+.TP 7
+.BI "Option \*qPC98\*q \*q" boolean \*q
+Specify that the machine is a Japanese PC-98 machine. This should not
+be enabled for anything other than the Japanese-specific PC-98
+architecture. Default: auto-detected.
+.\" Doubt this should be documented.
+.ig
+.TP 7
+.BI "Option \*qEstimateSizesAggressively\*q \*q" value \*q
+This option affects the way that bus resource sizes are estimated.
+Default: 0.
+..
+.TP 7
+.BI "Option \*qNoPM\*q \*q" boolean \*q
+Disables something to do with power management events. Default: PM
+enabled on platforms that support it.
+.TP 7
+.BI "Option \*qXinerama\*q \*q" boolean \*q
+enable or disable XINERAMA extension. Default is disabled.
+.TP 7
+.BI "Option \*qAllowDeactivateGrabs\*q \*q" boolean \*q
+This option enables the use of the
+.B Ctrl+Alt+Keypad-Divide
+key sequence to deactivate any active keyboard and mouse grabs. Default:
+off.
+.TP 7
+.BI "Option \*qAllowClosedownGrabs\*q \*q" boolean \*q
+This option enables the use of the
+.B Ctrl+Alt+Keypad-Multiply
+key sequence to kill clients with an active keyboard or mouse grab as
+well as killing any application that may have locked the server, normally
+using the XGrabServer(__libmansuffix__) Xlib function. Default: off.
+.br
+Note that the options
+.BI AllowDeactivateGrabs
+and
+.BI AllowClosedownGrabs
+will allow users to remove the grab used by screen saver/locker programs.
+An API was written to such cases. If you enable this option, make sure
+your screen saver/locker is updated.
+.TP 7
+.BI "Option \*qHandleSpecialKeys\*q \*q" when \*q
+This option controls when the server uses the builtin handler to process
+special key combinations (such as
+.BR Ctrl+Alt+Backspace ).
+Normally the XKEYBOARD extension keymaps will provide mappings for each
+of the special key combinations, so the builtin handler is not needed
+unless the XKEYBOARD extension is disabled. The value of
+.I when
+can be
+.BR Always ,
+.BR Never ,
+or
+.BR WhenNeeded .
+Default: Use the builtin handler only if needed. The server will scan
+the keymap for a mapping to the
+.B Terminate
+action and, if found, use XKEYBOARD for processing actions, otherwise
+the builtin handler will be used.
+.SH MODULE SECTION
+The
+.B Module
+section is used to specify which __xservername__ server modules should be loaded.
+This section is ignored when the __xservername__ server is built in static form.
+The types of modules normally loaded in this section are __xservername__ server
+extension modules, and font rasteriser modules. Most other module types
+are loaded automatically when they are needed via other mechanisms.
+The
+.B Module
+section is optional, as are all of the entries that may be specified in
+it.
+.PP
+Entries in this section may be in two forms. The first and most commonly
+used form is an entry that uses the
+.B Load
+keyword, as described here:
+.TP 7
+.BI "Load \*q" modulename \*q
+This instructs the server to load the module called
+.IR modulename .
+The module name given should be the module's standard name, not the
+module file name. The standard name is case-sensitive, and does not
+include the "lib" prefix, or the ".a", ".o", or ".so" suffixes.
+.PP
+.RS 7
+Example: the Type 1 font rasteriser can be loaded with the following entry:
+.PP
+.RS 4
+.B "Load \*qtype1\*q"
+.RE
+.RE
+.PP
+The second form of entry is a
+.BR SubSection,
+with the subsection name being the module name, and the contents of the
+.B SubSection
+being
+.B Options
+that are passed to the module when it is loaded.
+.PP
+Example: the extmod module (which contains a miscellaneous group of
+server extensions) can be loaded, with the __xservername__-DGA extension
+disabled by using the following entry:
+.PP
+.RS 4
+.nf
+.B "SubSection \*qextmod\*q"
+.B " Option \*qomit XFree86-DGA\*q"
+.B EndSubSection
+.fi
+.RE
+.PP
+Modules are searched for in each directory specified in the
+.B ModulePath
+search path, and in the drivers, input, extensions, fonts, and
+internal subdirectories of each of those directories.
+In addition to this, operating system specific subdirectories of all
+the above are searched first if they exist.
+.PP
+To see what font and extension modules are available, check the contents
+of the following directories:
+.PP
+.RS 4
+.nf
+__projectroot__/lib/modules/fonts
+__projectroot__/lib/modules/extensions
+.fi
+.RE
+.PP
+The "bitmap" font modules is loaded automatically. It is recommended
+that at very least the "extmod" extension module be loaded. If it isn't
+some commonly used server extensions (like the SHAPE extension) will not be
+available.
+.SH INPUTDEVICE SECTION
+The config file may have multiple
+.B InputDevice
+sections. There will normally be at least two: one for the core (primary)
+keyboard, and one of the core pointer. If either of these two is missing,
+a default configuration for the missing ones will be used. Currently the
+default configuration may not work as expected on all platforms.
+.PP
+.B InputDevice
+sections have the following format:
+.PP
+.RS 4
+.nf
+.B "Section \*qInputDevice\*q"
+.BI " Identifier \*q" name \*q
+.BI " Driver \*q" inputdriver \*q
+.I " options"
+.I " ..."
+.B "EndSection"
+.fi
+.RE
+.PP
+The
+.B Identifier
+and
+.B Driver
+entries are required in all
+.B InputDevice
+sections. All other entries are optional.
+.PP
+The
+.B Identifier
+entry specifies the unique name for this input device. The
+.B Driver
+entry specifies the name of the driver to use for this input device.
+When using the loadable server, the input driver module
+.RI \*q inputdriver \*q
+will be loaded for each active
+.B InputDevice
+section. An
+.B InputDevice
+section is considered active if it is referenced by an active
+.B ServerLayout
+section, if it is referenced by the
+.B \-keyboard
+or
+.B \-pointer
+command line options, or if it is selected implicitly as the core pointer
+or keyboard device in the absence of such explicit references.
+The most commonly used input drivers are "keyboard" and "mouse".
+.PP
+In the absence of an explicitly specified core input device, the first
+.B InputDevice
+marked as
+.B CorePointer
+(or
+.BR CoreKeyboard )
+is used. If there is no match there, the first
+.B InputDevice
+that uses the "mouse" (or "keyboard" or "kbd") driver is used. The final
+fallback is to use built-in default configurations.
+.PP
+.B InputDevice
+sections recognise some driver-independent
+.BR Options ,
+which are described here. See the individual input driver manual pages
+for a description of the device-specific options.
+.TP 7
+.BI "Option \*qCorePointer\*q"
+When this is set, the input device is installed as the core (primary)
+pointer device. There must be exactly one core pointer. If this option
+is not set here, or in the
+.B ServerLayout
+section, or from the
+.B \-pointer
+command line option, then the first input device that is capable of
+being used as a core pointer will be selected as the core pointer.
+This option is implicitly set when the obsolete
+.B Pointer
+section is used.
+.TP 7
+.BI "Option \*qCoreKeyboard\*q"
+When this is set, the input device is to be installed as the core
+(primary) keyboard device. There must be exactly one core keyboard. If
+this option is not set here, in the
+.B ServerLayout
+section, or from the
+.B \-keyboard
+command line option, then the first input device that is capable of
+being used as a core keyboard will be selected as the core keyboard.
+This option is implicitly set when the obsolete
+.B Keyboard
+section is used.
+.TP 7
+.BI "Option \*qAlwaysCore\*q \*q" boolean \*q
+.TP 7
+.BI "Option \*qSendCoreEvents\*q \*q" boolean \*q
+Both of these options are equivalent, and when enabled cause the
+input device to always report core events. This can be used, for
+example, to allow an additional pointer device to generate core
+pointer events (like moving the cursor, etc).
+.TP 4
+.BI "Option \*qHistorySize\*q \*q" number \*q
+Sets the motion history size. Default: 0.
+.TP 7
+.BI "Option \*qSendDragEvents\*q \*q" boolean \*q
+???
+.SH DEVICE SECTION
+The config file may have multiple
+.B Device
+sections. There must be at least one, for the video card being used.
+.PP
+.B Device
+sections have the following format:
+.PP
+.RS 4
+.nf
+.B "Section \*qDevice\*q"
+.BI " Identifier \*q" name \*q
+.BI " Driver \*q" driver \*q
+.I " entries"
+.I " ..."
+.B "EndSection"
+.fi
+.RE
+.PP
+The
+.B Identifier
+and
+.B Driver
+entries are required in all
+.B Device
+sections. All other entries are optional.
+.PP
+The
+.B Identifier
+entry specifies the unique name for this graphics device. The
+.B Driver
+entry specifies the name of the driver to use for this graphics device.
+When using the loadable server, the driver module
+.RI \*q driver \*q
+will be loaded for each active
+.B Device
+section. A
+.B Device
+section is considered active if it is referenced by an active
+.B Screen
+section.
+.PP
+.B Device
+sections recognise some driver-independent entries and
+.BR Options ,
+which are described here. Not all drivers make use of these
+driver-independent entries, and many of those that do don't require them
+to be specified because the information is auto-detected. See the
+individual graphics driver manual pages for further information about
+this, and for a description of the device-specific options.
+Note that most of the
+.B Options
+listed here (but not the other entries) may be specified in the
+.B Screen
+section instead of here in the
+.B Device
+section.
+.TP 7
+.BI "BusID \*q" bus-id \*q
+This specifies the bus location of the graphics card. For PCI/AGP cards,
+the
+.I bus-id
+string has the form
+.BI PCI: bus : device : function
+(e.g., "PCI:1:0:0" might be appropriate for an AGP card).
+This field is usually optional in single-head configurations when using
+the primary graphics card. In multi-head configurations, or when using
+a secondary graphics card in a single-head configuration, this entry is
+mandatory. Its main purpose is to make an unambiguous connection between
+the device section and the hardware it is representing. This information
+can usually be found by running the __xservername__ server with the
+.B \-scanpci
+command line option.
+.TP 7
+.BI "Screen " number
+This option is mandatory for cards where a single PCI entity can drive more
+than one display (i.e., multiple CRTCs sharing a single graphics accelerator
+and video memory). One
+.B Device
+section is required for each head, and this
+parameter determines which head each of the
+.B Device
+sections applies to. The legal values of
+.I number
+range from 0 to one less than the total number of heads per entity.
+Most drivers require that the primary screen (0) be present.
+.TP 7
+.BI "Chipset \*q" chipset \*q
+This usually optional entry specifies the chipset used on the graphics
+board. In most cases this entry is not required because the drivers
+will probe the hardware to determine the chipset type. Don't
+specify it unless the driver-specific documentation recommends that you
+do.
+.TP 7
+.BI "Ramdac \*q" ramdac-type \*q
+This optional entry specifies the type of RAMDAC used on the graphics
+board. This is only used by a few of the drivers, and in most cases it
+is not required because the drivers will probe the hardware to determine
+the RAMDAC type where possible. Don't specify it unless the
+driver-specific documentation recommends that you do.
+.TP 7
+.BI "DacSpeed " speed
+.TP 7
+.BI "DacSpeed " "speed-8 speed-16 speed-24 speed-32"
+This optional entry specifies the RAMDAC speed rating (which is usually
+printed on the RAMDAC chip). The speed is in MHz. When one value is
+given, it applies to all framebuffer pixel sizes. When multiple values
+are give, they apply to the framebuffer pixel sizes 8, 16, 24 and 32
+respectively. This is not used by many drivers, and only needs to be
+specified when the speed rating of the RAMDAC is different from the
+defaults built in to driver, or when the driver can't auto-detect the
+correct defaults. Don't specify it unless the driver-specific
+documentation recommends that you do.
+.TP 7
+.BI "Clocks " "clock ..."
+specifies the pixel that are on your graphics board. The clocks are in
+MHz, and may be specified as a floating point number. The value is
+stored internally to the nearest kHz. The ordering of the clocks is
+important. It must match the order in which they are selected on the
+graphics board. Multiple
+.B Clocks
+lines may be specified, and each is concatenated to form the list. Most
+drivers do not use this entry, and it is only required for some older
+boards with non-programmable clocks. Don't specify this entry unless
+the driver-specific documentation explicitly recommends that you do.
+.TP
+.BI "ClockChip \*q" clockchip-type \*q
+This optional entry is used to specify the clock chip type on graphics
+boards which have a programmable clock generator. Only a few __xservername__
+drivers support programmable clock chips. For details, see the appropriate
+driver manual page.
+.TP 7
+.BI "VideoRam " "mem"
+This optional entry specifies the amount of video ram that is installed
+on the graphics board. This is measured in kBytes. In most cases this
+is not required because the __xservername__ server probes the graphics board to
+determine this quantity. The driver-specific documentation should
+indicate when it might be needed.
+.TP 7
+.BI "BiosBase " "baseaddress"
+This optional entry specifies the base address of the video BIOS for
+the VGA board. This address is normally auto-detected, and should only
+be specified if the driver-specific documentation recommends it.
+.TP 7
+.BI "MemBase " "baseaddress"
+This optional entry specifies the memory base address of a graphics
+board's linear frame buffer. This entry is not used by many drivers,
+and it should only be specified if the driver-specific documentation
+recommends it.
+.TP 7
+.BI "IOBase " "baseaddress"
+This optional entry specifies the IO base address. This entry is not
+used by many drivers, and it should only be specified if the
+driver-specific documentation recommends it.
+.TP 7
+.BI "ChipID " "id"
+This optional entry specifies a numerical ID representing the chip type.
+For PCI cards, it is usually the device ID. This can be used to override
+the auto-detection, but that should only be done when the driver-specific
+documentation recommends it.
+.TP 7
+.BI "ChipRev " "rev"
+This optional entry specifies the chip revision number. This can be
+used to override the auto-detection, but that should only be done when
+the driver-specific documentation recommends it.
+.TP 7
+.BI "TextClockFreq " "freq"
+This optional entry specifies the pixel clock frequency that is used
+for the regular text mode. The frequency is specified in MHz. This is
+rarely used.
+.ig
+.TP 7
+This optional entry allows an IRQ number to be specified.
+..
+.TP 7
+.B Options
+Option flags may be specified in the
+.B Device
+sections. These include driver-specific options and driver-independent
+options. The former are described in the driver-specific documentation.
+Some of the latter are described below in the section about the
+.B Screen
+section, and they may also be included here.
+
+.SH VIDEOADAPTOR SECTION
+Nobody wants to say how this works. Maybe nobody knows ...
+
+.SH MONITOR SECTION
+The config file may have multiple
+.B Monitor
+sections. There should normally be at least one, for the monitor being used,
+but a default configuration will be created when one isn't specified.
+.PP
+.B Monitor
+sections have the following format:
+.PP
+.RS 4
+.nf
+.B "Section \*qMonitor\*q"
+.BI " Identifier \*q" name \*q
+.I " entries"
+.I " ..."
+.B "EndSection"
+.fi
+.RE
+.PP
+The only mandatory entry in a
+.B Monitor
+section is the
+.B Identifier
+entry.
+.PP
+The
+.B Identifier
+entry specifies the unique name for this monitor. The
+.B Monitor
+section provides information about the specifications of the monitor,
+monitor-specific
+.BR Options ,
+and information about the video modes to use with the monitor. Specifying
+video modes is optional because the server now has a built-in list of
+VESA standard modes. When modes are specified explicitly in the
+.B Monitor
+section (with the
+.BR Modes ,
+.BR ModeLine ,
+or
+.B UseModes
+keywords), built-in modes with the same names are not included. Built-in
+modes with different names are, however, still implicitly included.
+.PP
+The entries that may be used in
+.B Monitor
+sections are described below.
+.TP 7
+.BI "VendorName \*q" vendor \*q
+This optional entry specifies the monitor's manufacturer.
+.TP 7
+.BI "ModelName \*q" model \*q
+This optional entry specifies the monitor's model.
+.TP 7
+.BI "HorizSync " "horizsync-range"
+gives the range(s) of horizontal sync frequencies supported by the
+monitor.
+.I horizsync-range
+may be a comma separated list of either discrete values or ranges of
+values. A range of values is two values separated by a dash. By default
+the values are in units of kHz. They may be specified in MHz or Hz if
+.B MHz
+or
+.B Hz
+is added to the end of the line. The data given here is used by the
+__xservername__ server to determine if video modes are within the specifications
+of the monitor. This information should be available in the monitor's
+handbook. If this entry is omitted, a default range of 28\-33kHz is
+used.
+.TP 7
+.BI "VertRefresh " "vertrefresh-range"
+gives the range(s) of vertical refresh frequencies supported by the
+monitor.
+.I vertrefresh-range
+may be a comma separated list of either discrete values or ranges of
+values. A range of values is two values separated by a dash. By default
+the values are in units of Hz. They may be specified in MHz or kHz if
+.B MHz
+or
+.B kHz
+is added to the end of the line. The data given here is used by the
+__xservername__ server to determine if video modes are within the specifications
+of the monitor. This information should be available in the monitor's
+handbook. If this entry is omitted, a default range of 43-72Hz is used.
+.TP 7
+.BI "DisplaySize " "width height"
+This optional entry gives the width and height, in millimetres, of the
+picture area of the monitor. If given this is used to calculate the
+horizontal and vertical pitch (DPI) of the screen.
+.TP 7
+.BI "Gamma " "gamma-value"
+.TP 7
+.BI "Gamma " "red-gamma green-gamma blue-gamma"
+This is an optional entry that can be used to specify the gamma correction
+for the monitor. It may be specified as either a single value or as
+three separate RGB values. The values should be in the range 0.1 to
+10.0, and the default is 1.0. Not all drivers are capable of using this
+information.
+.TP 7
+.BI "UseModes \*q" modesection-id \*q
+Include the set of modes listed in the
+.B Modes
+section called
+.IR modesection-id.
+This make all of the modes defined in that section available for use by
+this monitor.
+.TP 7
+.BI "Mode \*q" name \*q
+This is an optional multi-line entry that can be used to provide
+definitions for video modes for the monitor. In most cases this isn't
+necessary because the built-in set of VESA standard modes will be
+sufficient. The
+.B Mode
+keyword indicates the start of a multi-line video mode description.
+The mode description is terminated with the
+.B EndMode
+keyword. The mode description consists of the following entries:
+.RS 7
+.TP 4
+.BI "DotClock " clock
+is the dot (pixel) clock rate to be used for the mode.
+.TP 4
+.BI "HTimings " "hdisp hsyncstart hsyncend htotal"
+specifies the horizontal timings for the mode.
+.TP 4
+.BI "VTimings " "vdisp vsyncstart vsyncend vtotal"
+specifies the vertical timings for the mode.
+.TP 4
+.BI "Flags \*q" flag \*q " ..."
+specifies an optional set of mode flags, each of which is a separate
+string in double quotes.
+.B \*qInterlace\*q
+indicates that the mode is interlaced.
+.B \*qDoubleScan\*q
+indicates a mode where each scanline is doubled.
+.B \*q+HSync\*q
+and
+.B \*q\-HSync\*q
+can be used to select the polarity of the HSync signal.
+.B \*q+VSync\*q
+and
+.B \*q\-VSync\*q
+can be used to select the polarity of the VSync signal.
+.B \*qComposite\*q
+can be used to specify composite sync on hardware where this is supported.
+Additionally, on some hardware,
+.B \*q+CSync\*q
+and
+.B \*q\-CSync\*q
+may be used to select the composite sync polarity.
+.TP 4
+.BI "HSkew " hskew
+specifies the number of pixels (towards the right edge of the screen)
+by which the display enable signal is to be skewed. Not all drivers
+use this information. This option might become necessary to override
+the default value supplied by the server (if any). "Roving" horizontal
+lines indicate this value needs to be increased. If the last few pixels
+on a scan line appear on the left of the screen, this value should be
+decreased.
+.TP 4
+.BI "VScan " vscan
+specifies the number of times each scanline is painted on the screen.
+Not all drivers use this information. Values less than 1 are treated
+as 1, which is the default. Generally, the
+.B \*qDoubleScan\*q
+.B Flag
+mentioned above doubles this value.
+.RE
+.TP 7
+.BI "ModeLine \*q" name \*q " mode-description"
+This entry is a more compact version of the
+.B Mode
+entry, and it also can be used to specify video modes for the monitor.
+is a single line format for specifying video modes. In most cases this
+isn't necessary because the built-in set of VESA standard modes will be
+sufficient.
+.PP
+.RS 7
+The
+.I mode-description
+is in four sections, the first three of which are mandatory. The first
+is the dot (pixel) clock. This is a single number specifying the pixel
+clock rate for the mode in MHz. The second section is a list of four
+numbers specifying the horizontal timings. These numbers are the
+.IR hdisp ,
+.IR hsyncstart ,
+.IR hsyncend ,
+and
+.I htotal
+values. The third section is a list of four numbers specifying the
+vertical timings. These numbers are the
+.IR vdisp ,
+.IR vsyncstart ,
+.IR vsyncend ,
+and
+.I vtotal
+values. The final section is a list of flags specifying other
+characteristics of the mode.
+.B Interlace
+indicates that the mode is interlaced.
+.B DoubleScan
+indicates a mode where each scanline is doubled.
+.B +HSync
+and
+.B \-HSync
+can be used to select the polarity of the HSync signal.
+.B +VSync
+and
+.B \-VSync
+can be used to select the polarity of the VSync signal.
+.B Composite
+can be used to specify composite sync on hardware where this is supported.
+Additionally, on some hardware,
+.B +CSync
+and
+.B \-CSync
+may be used to select the composite sync polarity. The
+.B HSkew
+and
+.B VScan
+options mentioned above in the
+.B Modes
+entry description can also be used here.
+.RE
+.TP 7
+.B Options
+Some
+.B Option
+flags that may be useful to include in
+.B Monitor
+sections (when needed) include
+.BR \*qDPMS\*q ,
+and
+.BR \*qSyncOnGreen\*q .
+
+.SH MODES SECTION
+The config file may have multiple
+.B Modes
+sections, or none. These sections provide a way of defining sets of
+video modes independently of the
+.B Monitor
+sections.
+.B Monitor
+sections may include the definitions provided in these sections by
+using the
+.B UseModes
+keyword. In most cases the
+.B Modes
+sections are not necessary because the built-in set of VESA standard modes
+will be sufficient.
+.PP
+.B Modes
+sections have the following format:
+.PP
+.RS 4
+.nf
+.B "Section \*qModes\*q"
+.BI " Identifier \*q" name \*q
+.I " entries"
+.I " ..."
+.B "EndSection"
+.fi
+.RE
+.PP
+The
+.B Identifier
+entry specifies the unique name for this set of mode descriptions.
+The other entries permitted in
+.B Modes
+sections are the
+.B Mode
+and
+.B ModeLine
+entries that are described above in the
+.B Monitor
+section.
+.SH SCREEN SECTION
+The config file may have multiple
+.B Screen
+sections. There must be at least one, for the "screen" being used.
+A "screen" represents the binding of a graphics device
+.RB ( Device
+section) and a monitor
+.RB ( Monitor
+section). A
+.B Screen
+section is considered "active" if it is referenced by an active
+.B ServerLayout
+section or by the
+.B \-screen
+command line option. If neither of those is present, the first
+.B Screen
+section found in the config file is considered the active one.
+.PP
+.B Screen
+sections have the following format:
+.PP
+.RS 4
+.nf
+.B "Section \*qScreen\*q"
+.BI " Identifier \*q" name \*q
+.BI " Device \*q" devid \*q
+.BI " Monitor \*q" monid \*q
+.I " entries"
+.I " ..."
+.BI " SubSection \*qDisplay\*q"
+.I " entries"
+.I " ...
+.B " EndSubSection"
+.I " ..."
+.B "EndSection"
+.fi
+.RE
+.PP
+The
+.B Identifier
+and
+.B Device
+entries are mandatory. All others are optional.
+.PP
+The
+.B Identifier
+entry specifies the unique name for this screen. The
+.B Screen
+section provides information specific to the whole screen, including
+screen-specific
+.BR Options .
+In multi-head configurations, there will be multiple active
+.B Screen
+sections, one for each head.
+The entries available
+for this section are:
+.TP 7
+.BI "Device \*q" device-id \*q
+This mandatory entry specifies the
+.B Device
+section to be used for this screen. This is what ties a specific
+graphics card to a screen. The
+.I device-id
+must match the
+.B Identifier
+of a
+.B Device
+section in the config file.
+.TP 7
+.BI "Monitor \*q" monitor-id \*q
+specifies which monitor description is to be used for this screen.
+If a
+.B Monitor
+name is not specified, a default configuration is used. Currently the default
+configuration may not function as expected on all platforms.
+.TP 7
+.BI "VideoAdaptor \*q" xv-id \*q
+specifies an optional Xv video adaptor description to be used with this
+screen.
+.TP 7
+.BI "DefaultDepth " depth
+specifies which color depth the server should use by default. The
+.B \-depth
+command line option can be used to override this. If neither is specified,
+the default depth is driver-specific, but in most cases is 8.
+.TP 7
+.BI "DefaultFbBpp " bpp
+specifies which framebuffer layout to use by default. The
+.B \-fbbpp
+command line option can be used to override this. In most cases the
+driver will chose the best default value for this. The only case where
+there is even a choice in this value is for depth 24, where some hardware
+supports both a packed 24 bit framebuffer layout and a sparse 32 bit
+framebuffer layout.
+.TP 7
+.B Options
+Various
+.B Option
+flags may be specified in the
+.B Screen
+section. Some are driver-specific and are described in the driver
+documentation. Others are driver-independent, and will eventually be
+described here.
+.\" XXX These should really be in an xaa man page.
+.TP 7
+.BI "Option \*qAccel\*q"
+Enables XAA (X Acceleration Architecture), a mechanism that makes video
+cards' 2D hardware acceleration available to the
+__xservername__ server. This
+option is on by default, but it may be necessary to turn it off if there
+are bugs in the driver. There are many options to disable specific
+accelerated operations, listed below. Note that disabling an operation
+will have no effect if the operation is not accelerated (whether due to
+lack of support in the hardware or in the driver).
+.TP 7
+.BI "Option \*qBiosLocation\*q \*q" address \*q
+Set the location of the BIOS for the Int10 module. One may select a BIOS
+of another card for posting or the legacy V_BIOS range located at 0xc0000
+or an alternative address (BUS_ISA). This is only useful under very
+special circumstances and should be used with extreme care.
+.TP 7
+.BI "Option \*qInitPrimary\*q \*q" boolean \*q
+Use the Int10 module to initialize the primary graphics card. Normally,
+only secondary cards are soft-booted using the Int10 module, as the
+primary card has already been initialized by the BIOS at boot time.
+Default: false.
+.TP 7
+.BI "Option \*qNoInt10\*q \*q" boolean \*q
+Disables the Int10 module, a module that uses the int10 call to the BIOS
+of the graphics card to initialize it. Default: false.
+.TP 7
+.BI "Option \*qNoMTRR\*q"
+Disables MTRR (Memory Type Range Register) support, a feature of modern
+processors which can improve video performance by a factor of up to 2.5.
+Some hardware has buggy MTRR support, and some video drivers have been
+known to exhibit problems when MTRR's are used.
+.TP 7
+.BI "Option \*qXaaNoCPUToScreenColorExpandFill\*q"
+Disables accelerated rectangular expansion blits from source patterns
+stored in system memory (using a memory-mapped aperture).
+.TP 7
+.BI "Option \*qXaaNoColor8x8PatternFillRect\*q"
+Disables accelerated fills of a rectangular region with a full-color
+pattern.
+.TP 7
+.BI "Option \*qXaaNoColor8x8PatternFillTrap\*q"
+Disables accelerated fills of a trapezoidal region with a full-color
+pattern.
+.TP 7
+.BI "Option \*qXaaNoDashedBresenhamLine\*q"
+Disables accelerated dashed Bresenham line draws.
+.TP 7
+.BI "Option \*qXaaNoDashedTwoPointLine\*q"
+Disables accelerated dashed line draws between two arbitrary points.
+.TP 7
+.BI "Option \*qXaaNoImageWriteRect\*q"
+Disables accelerated transfers of full-color rectangular patterns from
+system memory to video memory (using a memory-mapped aperture).
+.TP 7
+.BI "Option \*qXaaNoMono8x8PatternFillRect\*q"
+Disables accelerated fills of a rectangular region with a monochrome
+pattern.
+.TP 7
+.BI "Option \*qXaaNoMono8x8PatternFillTrap\*q"
+Disables accelerated fills of a trapezoidal region with a monochrome
+pattern.
+.TP 7
+.BI "Option \*qXaaNoOffscreenPixmaps\*q"
+Disables accelerated draws into pixmaps stored in offscreen video memory.
+.TP 7
+.BI "Option \*qXaaNoPixmapCache\*q"
+Disables caching of patterns in offscreen video memory.
+.TP 7
+.BI "Option \*qXaaNoScanlineCPUToScreenColorExpandFill\*q"
+Disables accelerated rectangular expansion blits from source patterns
+stored in system memory (one scan line at a time).
+.TP 7
+.BI "Option \*qXaaNoScanlineImageWriteRect\*q"
+Disables accelerated transfers of full-color rectangular patterns from
+system memory to video memory (one scan line at a time).
+.TP 7
+.BI "Option \*qXaaNoScreenToScreenColorExpandFill\*q"
+Disables accelerated rectangular expansion blits from source patterns
+stored in offscreen video memory.
+.TP 7
+.BI "Option \*qXaaNoScreenToScreenCopy\*q"
+Disables accelerated copies of rectangular regions from one part of
+video memory to another part of video memory.
+.TP 7
+.BI "Option \*qXaaNoSolidBresenhamLine\*q"
+Disables accelerated solid Bresenham line draws.
+.TP 7
+.BI "Option \*qXaaNoSolidFillRect\*q"
+Disables accelerated solid-color fills of rectangles.
+.TP 7
+.BI "Option \*qXaaNoSolidFillTrap\*q"
+Disables accelerated solid-color fills of Bresenham trapezoids.
+.TP 7
+.BI "Option \*qXaaNoSolidHorVertLine\*q"
+Disables accelerated solid horizontal and vertical line draws.
+.TP 7
+.BI "Option \*qXaaNoSolidTwoPointLine\*q"
+Disables accelerated solid line draws between two arbitrary points.
+.PP
+Each
+.B Screen
+section may optionally contain one or more
+.B Display
+subsections. Those subsections provide depth/fbbpp specific configuration
+information, and the one chosen depends on the depth and/or fbbpp that
+is being used for the screen. The
+.B Display
+subsection format is described in the section below.
+
+.SH DISPLAY SUBSECTION
+Each
+.B Screen
+section may have multiple
+.B Display
+subsections.
+The "active"
+.B Display
+subsection is the first that matches the depth and/or fbbpp values being
+used, or failing that, the first that has neither a depth or fbbpp value
+specified. The
+.B Display
+subsections are optional. When there isn't one that matches the depth
+and/or fbbpp values being used, all the parameters that can be specified
+here fall back to their defaults.
+.PP
+.B Display
+subsections have the following format:
+.PP
+.RS 4
+.nf
+.B " SubSection \*qDisplay\*q"
+.BI " Depth " depth
+.I " entries"
+.I " ..."
+.B " EndSubSection"
+.fi
+.RE
+.PP
+.TP 7
+.BI "Depth " depth
+This entry specifies what colour depth the
+.B Display
+subsection is to be used for. This entry is usually specified,
+but it may be omitted to create a match-all
+.B Display
+subsection or when wishing to match only against the
+.B FbBpp
+parameter. The range of
+.I depth
+values that are allowed depends on the driver. Most driver support
+8, 15, 16 and 24. Some also support 1 and/or 4, and some may support
+other values (like 30). Note:
+.I depth
+means the number of bits in a pixel that are actually used to determine
+the pixel colour. 32 is not a valid
+.I depth
+value. Most hardware that uses 32 bits per pixel only uses 24 of them
+to hold the colour information, which means that the colour depth is
+24, not 32.
+.TP 7
+.BI "FbBpp " bpp
+This entry specifies the framebuffer format this
+.B Display
+subsection is to be used for. This entry is only needed when providing
+depth 24 configurations that allow a choice between a 24 bpp packed
+framebuffer format and a 32bpp sparse framebuffer format. In most cases
+this entry should not be used.
+.TP 7
+.BI "Weight " "red-weight green-weight blue-weight"
+This optional entry specifies the relative RGB weighting to be used
+for a screen is being used at depth 16 for drivers that allow multiple
+formats. This may also be specified from the command line with the
+.B \-weight
+option (see __xservername__(__appmansuffix__)).
+.TP 7
+.BI "Virtual " "xdim ydim"
+This optional entry specifies the virtual screen resolution to be used.
+.I xdim
+must be a multiple of either 8 or 16 for most drivers, and a multiple
+of 32 when running in monochrome mode. The given value will be rounded
+down if this is not the case. Video modes which are too large for the
+specified virtual size will be rejected. If this entry is not present,
+the virtual screen resolution will be set to accommodate all the valid
+video modes given in the
+.B Modes
+entry. Some drivers/hardware combinations do not support virtual screens.
+Refer to the appropriate driver-specific documentation for details.
+.TP 7
+.BI "ViewPort " "x0 y0"
+This optional entry sets the upper left corner of the initial display.
+This is only relevant when the virtual screen resolution is different
+from the resolution of the initial video mode. If this entry is not
+given, then the initial display will be centered in the virtual display
+area.
+.TP 7
+.BI "Modes \*q" mode-name \*q " ..."
+This optional entry specifies the list of video modes to use. Each
+.I mode-name
+specified must be in double quotes. They must correspond to those
+specified or referenced in the appropriate
+.B Monitor
+section (including implicitly referenced built-in VESA standard modes).
+The server will delete modes from this list which don't satisfy various
+requirements. The first valid mode in this list will be the default
+display mode for startup. The list of valid modes is converted internally
+into a circular list. It is possible to switch to the next mode with
+.B Ctrl+Alt+Keypad-Plus
+and to the previous mode with
+.BR Ctrl+Alt+Keypad-Minus .
+When this entry is omitted, the valid modes referenced by the appropriate
+.B Monitor
+section will be used. If the
+.B Monitor
+section contains no modes, then the selection will be taken from the
+built-in VESA standard modes.
+.TP 7
+.BI "Visual \*q" visual-name \*q
+This optional entry sets the default root visual type. This may also
+be specified from the command line (see the Xserver(__appmansuffix__) man page). The
+visual types available for depth 8 are (default is
+.BR PseudoColor ):
+.PP
+.RS 11
+.nf
+.B StaticGray
+.B GrayScale
+.B StaticColor
+.B PseudoColor
+.B TrueColor
+.B DirectColor
+.fi
+.RE
+.PP
+.RS 7
+The visual type available for the depths 15, 16 and 24 are (default is
+.BR TrueColor ):
+.PP
+.RS 4
+.nf
+.B TrueColor
+.B DirectColor
+.fi
+.RE
+.PP
+Not all drivers support
+.B DirectColor
+at these depths.
+.PP
+The visual types available for the depth 4 are (default is
+.BR StaticColor ):
+.PP
+.RS 4
+.nf
+.B StaticGray
+.B GrayScale
+.B StaticColor
+.B PseudoColor
+.fi
+.RE
+.PP
+The visual type available for the depth 1 (monochrome) is
+.BR StaticGray .
+.RE
+.TP 7
+.BI "Black " "red green blue"
+This optional entry allows the "black" colour to be specified. This
+is only supported at depth 1. The default is black.
+.TP 7
+.BI "White " "red green blue"
+This optional entry allows the "white" colour to be specified. This
+is only supported at depth 1. The default is white.
+.TP 7
+.B Options
+Option flags may be specified in the
+.B Display
+subsections. These may include driver-specific options and
+driver-independent options. The former are described in the
+driver-specific documentation. Some of the latter are described above
+in the section about the
+.B Screen
+section, and they may also be included here.
+.SH SERVERLAYOUT SECTION
+The config file may have multiple
+.B ServerLayout
+sections.
+A "server layout" represents the binding of one or more screens
+.RB ( Screen
+sections) and one or more input devices
+.RB ( InputDevice
+sections) to form a complete configuration. In multi-head configurations,
+it also specifies the relative layout of the heads. A
+.B ServerLayout
+section is considered "active" if it is referenced by the
+.B \-layout
+command line option or by an
+.B "Option \*qDefaultServerLayout\*q"
+entry in the
+.B ServerFlags
+section (the former takes precedence over the latter). If those options are
+not used, the first
+.B ServerLayout
+section found in the config file is considered the active one. If no
+.B ServerLayout
+sections are present, the single active screen and two active (core)
+input devices are selected as described in the relevant sections above.
+.PP
+.B ServerLayout
+sections have the following format:
+.PP
+.RS 4
+.nf
+.B "Section \*qServerLayout\*q"
+.BI " Identifier \*q" name \*q
+.BI " Screen \*q" screen-id \*q
+.I " ..."
+.BI " InputDevice \*q" idev-id \*q
+.I " ..."
+.I " options"
+.I " ..."
+.B "EndSection"
+.fi
+.RE
+.PP
+Each
+.B ServerLayout
+section must have an
+.B Identifier
+entry and at least one
+.B Screen
+entry.
+.PP
+The
+.B Identifier
+entry specifies the unique name for this server layout. The
+.B ServerLayout
+section provides information specific to the whole session, including
+session-specific
+.BR Options .
+The
+.B ServerFlags
+options (described above) may be specified here, and ones given here
+override those given in the
+.B ServerFlags
+section.
+.PP
+The entries that may be used in this section are described here.
+.TP 7
+.BI "Screen " "screen-num" " \*qscreen-id\*q " "position-information"
+One of these entries must be given for each screen being used in
+a session. The
+.I screen-id
+field is mandatory, and specifies the
+.B Screen
+section being referenced. The
+.I screen-num
+field is optional, and may be used to specify the screen number
+in multi-head configurations. When this field is omitted, the
+screens will be numbered in the order that they are listed in.
+The numbering starts from 0, and must be consecutive. The
+.I position-information
+field describes the way multiple screens are positioned. There are
+a number of different ways that this information can be provided:
+.RS 7
+.TP 4
+.I "x y"
+.TP 4
+.BI "Absolute " "x y"
+These both specify that the upper left corner's coordinates are
+.RI ( x , y ).
+The
+.B Absolute
+keyword is optional. Some older versions of __xservername__ (4.2 and earlier) don't
+recognise the
+.B Absolute
+keyword, so it's safest to just specify the coordinates without it.
+.TP 4
+.BI "RightOf \*q" screen-id \*q
+.TP 4
+.BI "LeftOf \*q" screen-id \*q
+.TP 4
+.BI "Above \*q" screen-id \*q
+.TP 4
+.BI "Below \*q" screen-id \*q
+.TP 4
+.BI "Relative \*q" screen-id \*q " x y"
+These give the screen's location relative to another screen. The first four
+position the screen immediately to the right, left, above or below the
+other screen. When positioning to the right or left, the top edges are
+aligned. When positioning above or below, the left edges are aligned.
+The
+.B Relative
+form specifies the offset of the screen's origin (upper left corner)
+relative to the origin of another screen.
+.RE
+.TP 7
+.BI "InputDevice \*q" idev-id "\*q \*q" option \*q " ..."
+One of these entries should be given for each input device being used in
+a session. Normally at least two are required, one each for the core
+pointer and keyboard devices. If either of those is missing, suitable
+.B InputDevice
+entries are searched for using the method described above in the
+.B INPUTDEVICE
+section. The
+.I idev-id
+field is mandatory, and specifies the name of the
+.B InputDevice
+section being referenced. Multiple
+.I option
+fields may be specified, each in double quotes. The options permitted
+here are any that may also be given in the
+.B InputDevice
+sections. Normally only session-specific input device options would be
+used here. The most commonly used options are:
+.PP
+.RS 11
+.nf
+.B \*qCorePointer\*q
+.B \*qCoreKeyboard\*q
+.B \*qSendCoreEvents\*q
+.fi
+.RE
+.PP
+.RS 7
+and the first two should normally be used to indicate the core pointer
+and core keyboard devices respectively.
+.RE
+.TP 7
+.B Options
+Any option permitted in the
+.B ServerFlags
+section may also be specified here. When the same option appears in both
+places, the value given here overrides the one given in the
+.B ServerFlags
+section.
+.PP
+Here is an example of a
+.B ServerLayout
+section for a dual headed configuration with two mice:
+.PP
+.RS 4
+.nf
+.B "Section \*qServerLayout\*q"
+.B " Identifier \*qLayout 1\*q"
+.B " Screen \*qMGA 1\*q"
+.B " Screen \*qMGA 2\*q RightOf \*qMGA 1\*q"
+.B " InputDevice \*qKeyboard 1\*q \*qCoreKeyboard\*q"
+.B " InputDevice \*qMouse 1\*q \*qCorePointer\*q"
+.B " InputDevice \*qMouse 2\*q \*qSendCoreEvents\*q"
+.B " Option \*qBlankTime\*q \*q5\*q"
+.B "EndSection"
+.fi
+.RE
+.SH DRI SECTION
+This optional section is used to provide some information for the
+Direct Rendering Infrastructure. Details about the format of this section
+can be found in the README.DRI document, which is also available on-line
+at
+.IR <http://www.x.org> .
+.SH VENDOR SECTION
+The optional
+.B Vendor
+section may be used to provide vendor-specific configuration information.
+Multiple
+.B Vendor
+sections may be present, and they may contain an
+.B Identifier
+entry and multiple
+.B Option
+flags. The data therein is not used in this release.
+.PP
+.SH FILES
+For an example of an __xconfigfile__ file, see the file installed as
+__projectroot__/lib/X11/__xconfigfile__.eg.
+.fi
+.SH "SEE ALSO"
+X(__miscmansuffix__),
+Xserver(__appmansuffix__),
+__xservername__(__appmansuffix__),
+apm(__drivermansuffix__),
+.\" .IR ati(__drivermansuffix__),
+chips(__drivermansuffix__),
+cirrus(__drivermansuffix__),
+cyrix(__drivermansuffix__),
+fbdev(__drivermansuffix__),
+glide(__drivermansuffix__),
+glint(__drivermansuffix__),
+i128(__drivermansuffix__),
+i740(__drivermansuffix__),
+i810(__drivermansuffix__),
+imstt(__drivermansuffix__),
+mga(__drivermansuffix__),
+neomagic(__drivermansuffix__),
+nv(__drivermansuffix__),
+r128(__drivermansuffix__),
+rendition(__drivermansuffix__),
+savage(__drivermansuffix__),
+s3virge(__drivermansuffix__),
+.\" .IR shadowfb(__drivermansuffix__),
+siliconmotion(__drivermansuffix__),
+sis(__drivermansuffix__),
+sunbw2(__drivermansuffix__),
+suncg14(__drivermansuffix__),
+suncg3(__drivermansuffix__),
+suncg6(__drivermansuffix__),
+sunffb(__drivermansuffix__),
+sunleo(__drivermansuffix__),
+suntcx(__drivermansuffix__),
+tdfx(__drivermansuffix__),
+tga(__drivermansuffix__),
+trident(__drivermansuffix__),
+tseng(__drivermansuffix__),
+v4l(__drivermansuffix__),
+vesa(__drivermansuffix__),
+vga(__drivermansuffix__),
+vmware(__drivermansuffix__),
+.br
+.SH AUTHORS
+This manual page was largely rewritten by David Dawes
+.IR <dawes@xfree86.org> .