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Article #7325

Re: Video 7 VGA Pure Mode Switching

#7325
From: James Seidman
Date: Wed, 05 Dec 1990 01:40
27 lines
1800 bytes
In article <cchapman.660317460@romeo> cchapman@msd.gatech.edu (Chuck H. Chapman) writes:
>I'm using a Video 7 VRAM VGA with 512k of RAM.  When I run non-windows
>programs, the PURE mode is turned on, which disables any extensions
>beyond normal VGA capability.

>Has anyone else noticed this problem and come up with a better solution?

"It's not a bug, it's a feature."

First, let me make the disclaimer that it wasn't my decision, so don't
blame me. :)  But there is a valid reason for this.  You're put into
pure mode because you can run into some real problems trying to switch
between extended modes and the Windows screen.  I know, you're saying
that you've been going along just fine using WordPerfect and never had
a problem.  Well, some configurations *do* cause problems, and the
marketing people wanted to play it safe.

I understand (but can't be sure, as I don't do Windows stuff anymore)
that the company is working on a new Virtual Display Driver which will
handle extended modes properly.  When/If this is completed it shouldn't
set pure mode.  (But *please* don't everyone start calling tech support
and asking about it... they'll kill me! :)

-- 
Jim Seidman (Drax), the accidental engineer.
"There's a certain freedom to being completely screwed." - The Freshman
UUCP: ames!vsi1!hsv3!jls	      Internet: hsv3.UUCP!jls@apple.com
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From: jls@hsv3.UUCP (James Seidman)
Newsgroups: comp.windows.ms
Subject: Re: Video 7 VGA Pure Mode Switching
Message-ID: <6118@hsv3.UUCP>
Date: 5 Dec 90 01:40:22 GMT
References: <cchapman.660317460@romeo>
Reply-To: jls@hsv3.UUCP (James Seidman)
Organization: Video Seven / Headland Technology
Lines: 27