*BSD News Article 29200


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From: lirwin@silicon.csci.csusb.edu (Loren Irwin)
Newsgroups: comp.os.386bsd.questions
Subject: Re: My WD90C31 card is capable of 72 MHz dot clock, but only prints 65!!
Date: 5 Apr 1994 05:45:52 GMT
Organization: California State University Sacramento
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Mark Tamola (buckwild@u.washington.edu) wrote:
: I am setting up XFree86-2.0 for FreeBSD-1.0.2 and I am having some
: problems.  I have a question regarding the dot clock readout for a WD90C31
: graphics card using the command X -probeonly.  The max dot clock I get is
: 65.00 MHz, when my manual says 72 MHz, and in even one instance, it says I
: can even set it to 87 MHz. 

: With a dot clock readout of only 65 MHz, I can only get around 800x600 
: resolution when my card is clearly capable of 1024x768 (it has to be able 
: to, 'cuz that's the res. I use to run windoze at).  However, I tried to 
: configure it to 1024x768 by manipulating the clock numbers in the Xconfig 
: anyway, but to no avail.  I know I can simulate this by using virtual 
: mode, but sometimes it gets to be a pain having to move my screen around 
: all the time, especially when some programs only run at resolutions 
: bigger than 800x600.  Any idea as to how I should go about getting 
: 1024x768 resolution?  It HAS to be able to!!

: Thanks for any help you can give me.

: Sincerely,

: ---> Mark Steven de Sagun Tamola
: ---> buckwild@u.washington.edu

I'm using a SpeedStar 24X with the WD90C31 chip.  I was having
the same problem, but got it to work.  If you have a dos program
that runs in the video resolution that you want, then boot dos
and run that program.  Exit, then reboot and run X -probeonly;
You should see that the clocks are different.  Put these values into your
clocks line, and it should work.

Then run the dos program before you boot up BSD each time you turn
on your machine.



Good luck

lirwin@silicon.csci.csusb.edu