sis(4)
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SIS(4) XFree86 SIS(4)
NAME
sis - SiS video driver
SYNOPSIS
Section "Device"
Identifier "devname"
Driver "sis"
...
EndSection
DESCRIPTION
sis is an XFree86 driver for SiS video cards. The driver
is accelerated, and provides support for 8, 16 and 24 col
ordepths. XVideo, Render and other extensions are sup
ported as well.
SUPPORTED HARDWARE
The sis driver supports PCI and AGP video cards based on
the following chipsets:
SIS5597 SIS5598 SIS530 SIS6326 SIS300 SIS540 SIS630
CONFIGURATION DETAILS
Please refer to XF86Config(5) for general configuration
details. This section only covers configuration details
specific to this driver.
The driver will auto-detect the amount of video memory
present for all chips, but in the 6326 case, it will limit
the memory size to 4MB. This is because of a bug (in docs
at least). You can override this using the "VideoRAM"
option in the device section if your board has more than
4MB and you need to use it (maybe with cursor problems).
If you have problems getting high resolutions because of
dot clock limitations, try using the "DacSpeed" option,
also in the device section.
The following driver Options are supported:
Option "NoAccel" "boolean"
Disable or enable acceleration. Default: accelera
tion is enabled.
Option "HWCursor" "boolean"
Enable or disable the HW cursor. Default: on.
Option "SWCursor" "boolean"
The opposite of HWCursor. Default: off.
Option "NoXVideo*q "boolean"
Disable XV (XVideo) extension support. Default:
off.
4.2.1 Version 1
SIS(4) XFree86 SIS(4)
Option "SetMClk" "integer"
Set the memory clock. Value in MHz. Default:
autodetect.
Option "PciRetry" "boolean"
Enable or disable PCI retries. Default: on.
Option "TurboQueue" "boolean"
Enable or disable TurboQueue mode. Default: off
for SIS530, on for the others
Option "FastVram" "boolean"
Enable or disable FastVram mode. Default: on.
Option "Rotate" "CW"
Rotate the display clockwise. This mode is unaccel
erated, and uses the Shadow Frame Buffer layer.
Default: no rotation.
Option "Rotate" "CCW"
Rotate the display counterclockwise. This mode is
unaccelerated, and uses the Shadow Frame Buffer
layer. Default: no rotation.
Option "ForceCRT2Type" "string"
Force display type to one of: TV, LCD or VGA.
Default: auto detect.
Option "ShadowFB" "boolean"
Enable or disable use of the shadow framebuffer
layer. Default: off.
Option "NoXVideo" "boolean"
Enable or disable use of the video scaler. Default:
off.
Option "VESA" "boolean"
Force use of VESA BIOS initialization on or off.
Default: If option is not set: chipset dependent.
Option "MaxXFBMem" "integer"
Amount of video memory to use for X. This option is
useful to reserve some memory from the top of the
video memory for 3D. Under Linux 3D memory is cur
rently handled by the sisfb kernel driver.
Default: use all video memory for X.
SEE ALSO
XFree86(1), XF86Config(5), xf86config(1), Xserver(1), X(7)
AUTHORS
Authors include: Alan Hourihane, Mike Chapman, Juanjo San
tamarta, Mitani Hiroshi, David Thomas, Sung-Ching Lin,
Ademar Reis
4.2.1 Version 2
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