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-.\" $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/r128.man,v 1.3 2001/06/01 02:10:05 dawes Exp $
-.\" shorthand for double quote that works everywhere.
-.ds q \N'34'
-.TH R128 __drivermansuffix__ __vendorversion__
-.SH NAME
-r128 \- ATI Rage 128 video driver
-.SH SYNOPSIS
-.nf
-.B "Section \*qDevice\*q"
-.BI " Identifier \*q" devname \*q
-.B " Driver \*qr128\*q"
-\ \ ...
-.B EndSection
-.fi
-.SH DESCRIPTION
-.B r128
-is an __xservername__ driver for ATI Rage 128 based video cards. It contains
-full support for 8, 15, 16 and 24 bit pixel depths, hardware
-acceleration of drawing primitives, hardware cursor, video modes up to
-1800x1440 @ 70Hz, doublescan modes (e.g., 320x200 and 320x240), gamma
-correction at all pixel depths, a fully programming dot clock and robust
-text mode restoration for VT switching. Dualhead is supported on M3/M4
-mobile chips.
-.SH SUPPORTED HARDWARE
-The
-.B r128
-driver supports all ATI Rage 128 based video cards including the Rage
-Fury AGP 32MB, the XPERT 128 AGP 16MB and the XPERT 99 AGP 8MB.
-.SH CONFIGURATION DETAILS
-Please refer to __xconfigfile__(__filemansuffix__) for general configuration
-details. This section only covers configuration details specific to this
-driver.
-.PP
-The driver auto-detects all device information necessary to initialize
-the card. However, if you have problems with auto-detection, you can
-specify:
-.PP
-.RS 4
-VideoRam - in kilobytes
-.br
-MemBase - physical address of the linear framebuffer
-.br
-IOBase - physical address of the MMIO registers
-.br
-ChipID - PCI DEVICE ID
-.RE
-.PP
-In addition, the following driver
-.B Options
-are supported:
-.TP
-.BI "Option \*qSWcursor\*q \*q" boolean \*q
-Selects software cursor. The default is
-.B off.
-.TP
-.BI "Option \*qNoAccel\*q \*q" boolean \*q
-Enables or disables all hardware acceleration. The default is to
-.B enable
-hardware acceleration.
-.TP
-.BI "Option \*qDac6Bit\*q \*q" boolean \*q
-Enables or disables the use of 6 bits per color component when in 8 bpp
-mode (emulates VGA mode). By default, all 8 bits per color component
-are used. The default is
-.B off.
-.TP
-.BI "Option \*qVideoKey\*q \*q" integer \*q
-This overrides the default pixel value for the YUV video overlay key.
-The default value is
-.B undefined.
-.TP
-.BI "Option \*qDisplay\*q \*q" string \*q
-Select display mode for devices which support flat panels. Supported modes are:
-
-.B \*qFP\*q
-- use flat panel;
-
-.B \*qCRT\*q
-- use cathode ray tube;
-
-.B \*qMirror\*q
-- use both FP and CRT;
-
-.B \*qBIOS\*q
-- use mode as configured in the BIOS.
-
-The default is
-.B FP.
-
-.PP
-The following
-.B Options
-are mostly important for non-x86 architectures:
-.TP
-.BI "Option \*qProgramFPRegs\*q \*q" boolean \*q
-Enable or disable programming of the flat panel registers.
-Beware that this may damage your panel, so use this
-.B at your own risk.
-The default depends on the device.
-.TP
-.BI "Option \*qPanelWidth\*q \*q" integer \*q
-.TP
-.BI "Option \*qPanelHeight\*q \*q" integer \*q
-Override the flat panel dimensions in pixels. They are used to program the flat panel
-registers and normally determined using the video card BIOS. If the wrong dimensions
-are used, the system may hang.
-.TP
-.BI "Option \*qUseFBDev\*q \*q" boolean \*q
-Enable or disable use of an OS-specific framebuffer device interface
-(which is not supported on all OSs). See fbdevhw(__drivermansuffix__)
-for further information.
-Default:
-.BI on
-for PowerPC,
-.BI off
-for other architectures.
-.TP
-.BI "Option \*qDMAForXv\*q \*q" boolean \*q
-Try or don't try to use DMA for Xv image transfers. This will reduce CPU
-usage when playing big videos like DVDs, but may cause instabilities.
-Default: off.
-
-.PP
-The following additional
-.B Options
-are supported:
-.TP
-.BI "Option \*qShowCache\*q \*q" boolean \*q
-Enable or disable viewing offscreen cache memory. A
-development debug option. Default: off.
-.TP
-.BI "Option \*qVGAAccess\*q \*q" boolean \*q
-Tell the driver if it can do legacy VGA IOs to the card. This is
-necessary for properly resuming consoles when in VGA text mode, but
-shouldn't be if the console is using radeonfb or some other graphic
-mode driver. Some platforms like PowerPC have issues with those, and they aren't
-necessary unless you have a real text mode in console. The default is
-.B off
-on PowerPC and SPARC and
-.B on
-on other architectures.
-
-.PP
-.B Dualhead Note:
-The video BIOS on some laptops interacts strangely with dualhead.
-This can result in flickering and problems changing modes on crtc2.
-If you experience these problems try toggling your laptop's video
-output switch (e.g., fn-f7, etc.) prior to starting X or switch to
-another VT and back.
-
-.SH "SEE ALSO"
-__xservername__(__appmansuffix__), __xconfigfile__(__filemansuffix__), xorgconfig(__appmansuffix__), Xserver(__appmansuffix__), X(__miscmansuffix__)
-.SH AUTHORS
-.nf
-Rickard E. (Rik) Faith \fIfaith@precisioninsight.com\fP
-Kevin E. Martin \fIkevin@precisioninsight.com\fP