From: jiivee@hut.fi (Juha Virtanen) Subject: Re: need help with Xconfig settings for Trident 8900c & CTX 5468A Date: 14 Apr 1993 00:56:00 GMT
In article <C5F502.MMz@unixhub.SLAC.Stanford.EDU> johnw@unixhub.SLAC.Stanford.EDU (Jonathan S. Wong) writes:
> I was wondering if anyone has gotten X to work with Trident 8900c (BIOS v.2.11)
> and a Zeos (CTX model 5468A) SVGA monitor. I have only been able to get it
> to work with 640x480 mode -- other settings seem to cause my screen to
> flicker or just not sync. Can someone give me some possible Xconfig settings
> for this combination? (I don't have specs for the monitor-- just bought it
> used)
Yes. I've succeeded, except that I have a ADI dmc-2304 SVGA
monitor which supports only few clocks. I include parts of my
Xconfig here (unnecessary lines deleted to save bandwidth).
Behavior of these clocks is somehow strange: if I remove the
needless clock "31.5" won't X run any more in 800x600 resolution.
# The graphics drivers
# First the 8-bit colour SVGA driver
#
vga256
Chipset "tvga8900c"
Clocks 25.2 28.3 31.5 35.5
# clocks supported by ADI dmc-2304
#Clocks 25.2 28.3 31.5 35.2 35.5 36.0
# clocks supported by Trident 8900c2.11
#Clocks 25.2 28.3 40.0 44.9 36.0 50.4 57.3 65.0 75.0
Screenno 0
Modes "800x600" "640x480"
Videoram 1024
#ViewPort 0 0
Virtual 1152 900
#
# To disable SpeedUp, use NoSpeedUp
#NoSpeedUp
#
# Next the 1-bit mono SVGA driver
#
vga2
Virtual 800 600
ViewPort 0 0
# Modes "640x480"
Modes "800x600" "640x480"
# And last, the database of video modes
#
ModeDB
# name clock horizontal timing vertical timing flags
"640x480" 25 640 664 760 800 480 491 493 525
"800x600" 36 800 824 896 1024 600 601 603 625