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R128(4)                FreeBSD Kernel Interfaces Manual                R128(4)

       r128 - ATI Rage 128 video driver

       Section "Device"
         Identifier "devname"
         Driver "r128"

       r128 is an XFree86 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.

       The 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

       Please refer to XF86Config(5) for general configuration details.  This
       section only covers configuration details specific to this driver.

       The driver auto-detects all device information necessary to initialize
       the card.  However, if you have problems with auto-detection, you can

           VideoRam - in kilobytes
           MemBase  - physical address of the linear framebuffer
           IOBase   - physical address of the MMIO registers
           ChipID   - PCI DEVICE ID

       In addition, the following driver Options are supported:

       Option "SWcursor" "boolean"
              Selects software cursor.  The default is off.

       Option "NoAccel" "boolean"
              Enables or disables all hardware acceleration.  The default is
              to enable hardware acceleration.

       Option "Dac6Bit" "boolean"
              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 off.

       Option "VideoKey" "integer"
              This overrides the default pixel value for the YUV video overlay
              key.  The default value is undefined.

       Option "Display" "string"
              Select display mode for devices which support flat panels.
              Supported modes are:

              "FP" - use flat panel;

              "CRT" - use cathode ray tube;

              "Mirror" - use both FP and CRT;

              "BIOS" - use mode as configured in the BIOS.

              The default is FP.

       The following Options are mostly important for non-x86 architectures:

       Option "ProgramFPRegs" "boolean"
              Enable or disable programming of the flat panel registers.
              Beware that this may damage your panel, so use this at your own
              risk.  The default depends on the device.

       Option "PanelWidth" "integer"

       Option "PanelHeight" "integer"
              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.

       Option "UseFBDev" "boolean"
              Enable or disable use of an OS-specific framebuffer device
              interface (which is not supported on all OSs).  See fbdevhw(4)
              for further information.  Default: off.

       Option "DMAForXv" "boolean"
              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.

       The following additional Options are supported:

       Option "ShowCache" "boolean"
              Enable or disable viewing offscreen cache memory.  A development
              debug option.  Default: off.

       XFree86(1), XF86Config(5), xf86config(1), Xserver(1), X(7)

       Rickard E. (Rik) Faith
       Kevin E. Martin

XFree86                          Version 4.7.0                         R128(4)


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