NetNews Usenet Archive 1992 #20/NN_1992_20.iso/spool/comp/graphics/9585

Internet Message Format | 1992-09-09 | 1.8 KB

Path: sparky!uunet!noc.near.net!bigboote.WPI.EDU!nntp!tomster
From: [e-mail] (Thomas Richard Dibble)
Newsgroups: comp.graphics
Subject: Video-Card Identification ... ?
Date: 9 Sep 92 23:52:34
Organization: Worcester Polytechnic Institute, Worcester, MA 01609-2280
Lines: 26
Distribution: world
Message-ID: <[e-mail]>
NNTP-Posting-Host: wpi.wpi.edu

I am working on a simple graphics program, but would like to do away with
the 'What type of video do YOU support?' question.  I can distinguish
between VESA-compatibles, Video-7/VEGA compatibles, and the rest of the
crowd, but am unable to get more specific -- or general -- than that.  How
can I test to see whether a board is CGA, EGA, or VGA?  I know it can be
done, because I have seen programs do it, but how?
    The source (C, preferably) to a 'whichvga'-type program (like the
programs included with CShow and VPic) would also be of use in my endeavors.
Also, finally, does anyone out there know a routine to determine how much
memory is on a board?  Through int 10 I can find up to 256k, and on some
boards even identify if its VRAM or DRAM, but more quantitative precision would
be much appreciated.

        Thanks in advance,
            ---- [e-mail]

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