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RedHat 9 (Linux i386) - man page for savage (redhat section 4x)

SAVAGE(4x)									       SAVAGE(4x)

       savage - S3 Savage video driver

       Section "Device"
	 Identifier "devname"
	 Driver "savage"

       savage  is an XFree86 driver for the S3 Savage family video accelerator chips.  The savage
       driver supports PCI and AGP boards with the following chips:

       Savage3D        (8a20 and 8a21)



       Savage/MX       (8c10 and 8c11)

       Savage/IX       (8c12 and 8c13)

       ProSavage PM133(8a25)

       ProSavage KM133(8a26)

       Twister (ProSavage PN133)

       TwisterK (ProSavage KN133)

       ProSavage DDR(8d03)

       ProSavage DDR-K(8d04)

       Please refer to XF86Config(5x) for general configuration details.  This section only  cov-
       ers configuration details specific to this driver.

       The following driver Options are supported:

       Option "HWCursor" "boolean"

       Option "SWCursor" "boolean"
	      These two options interact to specify hardware or software cursor.  If the SWCursor
	      option is specified, any HWCursor setting is ignored.  Thus, either "HWCursor  off"
	      or  "SWCursor on" will force the use of the software cursor.  On Savage/MX and Sav-
	      age/IX chips which are connected to LCDs, a software cursor will be forced, because
	      the  Savage  hardware cursor does not correctly track the automatic panel expansion
	      feature.	Default: hardware cursor.

       Option "NoAccel" "boolean"
	      Disable or enable acceleration.  Default: acceleration is enabled.

       Option "Rotate" "CW"

       Option "Rotate" "CCW"
	      Rotate the desktop 90 degrees clockwise or counterclockwise.   This  option  forces
	      the ShadowFB option on, and disables acceleration.  Default: no rotation.

       Option "ShadowFB" "boolean"
	      Enable  or  disable use of the shadow framebuffer layer.	See shadowfb(4x) for fur-
	      ther information.  This option disables acceleration.  Default: off.

       Option "LCDClock" "frequency"
	      Override the maximum dot clock.  Some LCD panels produce incorrect results if  they
	      are  driven  at  too  fast of a frequency.  If UseBIOS is on, the BIOS will usually
	      restrict the clock to the correct range.	If not, it might be necessary to override
	      it here.	The frequency parameter may be specified as an integer in Hz(135750000),
	      or with standard suffixes like "k", "kHz", "M", or "MHz" (as in 135.75MHz).

       Option "UseBIOS" "boolean"
	      Enable or disable use of the video BIOS to change modes.	 Ordinarily,  the  savage
	      driver  tries  to  use the video BIOS to do mode switches.  This generally produces
	      the best results with the mobile chips (/MX and /IX), since the BIOS knows  how  to
	      handle  the critical but unusual timing requirements of the various LCD panels sup-
	      ported by the chip.  To do this, the driver searches through the	BIOS  mode  list,
	      looking  for  the  mode  which most closely matches the XF86Config mode line.  Some
	      purists find this scheme objectionable.  If you would rather have the savage driver
	      use  your  mode line timing exactly, turn off the UseBios option.  Default: on (use
	      the BIOS).

       Option "ShadowStatus" q*boolean"
	      Enables the use of a shadow status register.  There is a chip  bug  in  the  Savage
	      graphics	engine	that can cause a bus lock when reading the engine status register
	      under heavy load, such as when scrolling text or dragging windows.  The bug affects
	      about  4% of all Savage users.  If your system hangs regularly while scrolling text
	      or dragging windows, try turning this option on.	This uses an alternate method  of
	      reading the engine status which is slightly more expensive, but avoids the problem.
	      Default: off (use normal status register).


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

       Authors include Tim Roberts (timr@probo.com) and Ani Joshi  (ajoshi@unixbox.com)  for  the
       4.0  version,  and  Tim	Roberts  and  S.  Marineau for the 3.3 driver from which this was

XFree86 			      Version Version 4.3.0			       SAVAGE(4x)

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