Section: Devices and Network Interfaces (4)
Updated: xf86-video-r128 6.9.2
Section "Device" Identifier "devname" Driver "r128" ... EndSection
r128 is an Xorg 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.
Please refer to (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 specify:
: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:
"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 "PanelWidth" "integer"
The following additional Options are supported:
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.
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