From: "John M. Aldrich" <fighteer AT cs DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: DJGPP & Windows NT
Date: Thu, 22 Jan 1998 23:27:14 -0500
Organization: Two pounds of chaos and a pinch of salt.
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References: <34C75492 DOT E1D3617A AT eev DOT e-technik DOT uni-erlangen DOT de>
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To: djgpp AT delorie DOT com
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Michael Schuster wrote:
> 
> I've switched from Win311 to Windows NT 4.0. Unfortunately my dos
> programms
> compiled with Allegro & Djgpp cannot fully access the graphic card  in
> DOS full screen mode, so that only 320x200 vga-mode is working. I'm
> having an ATI Mach64 2MB PCI card. Has anyone a solution, is it the
> special ATI card,or generally not possible?

See chapter 3.3 of the DJGPP Frequently Asked Questions list, which
explains that Windows NT bars direct access to the hardware SVGA
registers from protected mode programs.

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