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From: mhorne@ka7axd.hss.pdx.com (Mike Horne)
Newsgroups: comp.sys.ibm.pc.hardware,comp.windows.ms
Subject: SPECIAL Multimode 1024 X 768 video card for the PC???
Message-ID: <8672@orca.wv.tek.com>
Date: 10 Sep 90 14:35:37 GMT
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Reply-To: mhorne%ka7axd.hss.pdx.com@uunet.uu.net
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Organization: Horne System Solutions, Beaverton, OR
Lines: 25


I'm curious if there are any video cards that do the following:

	- Support 1024 X 768 X 16/256 mode
	- Support CGA, EGA, and VGA, *without* having to have a
	  multi-sync monitor.

In short, I have a 1K x 768 48kHz monitor that does not multi-sync, and I
would like to find a card to drive it that *also* supports the other
standard modes by simply `upconverting' the video rate for the slower
lower-res modes.

In theory, such a card could accomplish this through line/pixel doubling or
through using a smaller chunk of video memory and scanning it out
at 48 kHz.  Yes, the actual video for the low-res modes would occupy a
smaller area on the screen (probably in the upper left hand corner), but
I can live with this.  I plan on using the monitor/card in hi-res mode
most of the time, but I would like to be able to run ega/cga/what-have-you
mode for applications that require it.  And no, I'd prefer not to buy
a new multi-sync monitor.

Any pointers/info would be greatly appreciated!

Mike
mhorne%ka7axd.hss.pdx.com@uunet.uu.net