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Article #19346

Re: PICTURE OFF CENTER IN SVGA MODE

#19346
From: Keath Milligan
Date: Fri, 22 Jan 1993 15:57
46 lines
2744 bytes
In article <106067@netnews.upenn.edu> balog@eniac.seas.upenn.edu (Eric J Balog) writes:
>I'm having some problems in SVGA mode under Windows 3.1. I have a Tatung SVGA 
>monitor and an OAK video card with 1 MB DRAM.  Normally, I run windows in VGA 
>mode, but recently I switched to SVGA mode, using the SVGA driver that comes 
>with Windows.
>
>The problems are:
>
>1) when in Windows, the screen is off-center (it is shifted right of center);
>   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>2) after switching to a DOS prompt under Windows and exiting, the screen was 
>total garbage.                                                ^^^^^^^^^^^^^^
>^^^^^^^^^^^^^
>Can anyone help with these problems? Is it most likely a problem with the 
>monitor, the video card, or the Windows SVGA driver? Any help would be greatly appreciated.
>
>Thanks in advance.
>
>balog@eniac.seas.upenn.edu

All three, really.

The off-center thing is quite normal and there isn't much you can do about
it other than adjust your monitor every time you switch modes or get a
really expensive monitor that has processors to do it automatically (the
Mitsubishi Diamond Scan does this I think, but it runs about 2 grand <choke>).

The garbage screen problem is caused by the driver, you should be able to
find the lastest driver for your card on a variety of ftp sites or
compuserve.  Check with an archie server, but I think they have some on
oak.oakland.edu or ftp.cica.indiana.edu.  I had the same problem with my old
Oak and also with my Trident-based card in 800x600 mode and the new drivers
cleared it up...

If you want to do high-res, I'd recommend getting another video card;  Oaks
are pretty low-end (slow).  Anything based on the Tseng ET4000 will perform
quite nicely at 1024x768x256.  Or if you're a serious Windows-geek like me,
you might want to look into an S3-based accelerator like the STB Wind/X HC
-- they're coming down in price as new chipsets are coming out to replace
them.

-- 
oooooo ooo o o  o            Keath Milligan            o  o  ooooo oooo oooooo
oooo oo ooo  o   o   Prometheus Light and Sound, Inc.   o   o  o ooooooooooooo
oooooooo o oo  o         Real/Time Communications        o    o o ooo oooooooo
oooooo oooo ooo  o  internet: reaper@wixer.cactus.org  o   o  o ooo oo ooooooo
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Message-ID: <1993Jan22.155712.3504@wixer.cactus.org>
Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!natinst.com!news.dell.com!milano!cactus.org!wixer!reaper
References: <106067@netnews.upenn.edu>

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Newsgroups: comp.sys.ibm.pc.hardware
Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!natinst.com!news.dell.com!milano!cactus.org!wixer!reaper
From: reaper@wixer.cactus.org (Keath Milligan)
Subject: Re: PICTURE OFF CENTER IN SVGA MODE
Message-ID: <1993Jan22.155712.3504@wixer.cactus.org>
Organization: Real/Time Communications
References: <106067@netnews.upenn.edu>
Date: Fri, 22 Jan 1993 15:57:12 GMT
Lines: 46