2.1b and SVGA sync

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2 total messages Started by Meir I Green Wed, 27 Jan 1993 01:47

#16682

Author: Meir I Green
Date: Wed, 27 Jan 1993 01:47

20 lines
1547 bytes

OK.  I have had 2.1b running in 800x600x256 mode for a week, now.
Tseng ET4000 (Diamond Speedstar 24).
I just tried running cshow, and the PM desktop lost sync completely!
Not only doesn't vmode fix this, but pressing reset doesn't either!~
Next I am going to try turning the machine off completely...if not, then
I will replace the .PMI file.  Does anyone know what happened and why?
Did cshow change the card timings permanently in a way OS2 can't handle?
This is very serious.

Full screen sessions are ok, and I learned from experience to put start /fs
into startup.cmd just in case something messes up PM :-)

What sort of bug is this?
Thanks
Meir

 * * * * *  =================== Internet   mig@cunixb.cc.columbia.edu
* * * * * * == Meir I. Green == AmateurPkt N2JPG@W2XO.PA.USA.NOAM
 * * * * *  = mig@columbia.edu= Amateur IP N2JPG@uhm.ampr.org
* * * * * * =================== BC-Goliath green@smtplink.barnard.columbia.edu

Re: 2.1b and SVGA sync

#16756

Author: Holger Liebig
Date: Thu, 28 Jan 1993 12:39

31 lines
2126 bytes

In article <1993Jan27.014711.24877@news.columbia.edu>, mig@cunixb.cc.columbia.edu (Meir I Green) writes:
|> OK.  I have had 2.1b running in 800x600x256 mode for a week, now.
|> Tseng ET4000 (Diamond Speedstar 24).
|> I just tried running cshow, and the PM desktop lost sync completely!
|> Not only doesn't vmode fix this, but pressing reset doesn't either!~
|> Next I am going to try turning the machine off completely...if not, then
|> I will replace the .PMI file.  Does anyone know what happened and why?
|> Did cshow change the card timings permanently in a way OS2 can't handle?
|> This is very serious.
|> 
|> Full screen sessions are ok, and I learned from experience to put start /fs
|> into startup.cmd just in case something messes up PM :-)
|> 

I had a similar problem. Every return from an DOS fullscreen mode session
caused the PM desktop to go out of sync.
The solution for me was to use the vsvga.sys (\os2\mdos directory)
from the service pack.
Everything works now perfectly.

Hope, this helps

Ciao, Holger
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