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Mail Archives: djgpp/1997/08/04/15:34:02

From: lonniem AT cs DOT utexas DOT edu (Lonnie McCullough)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Linear Framebuffer with 4 GB RAM
Date: Mon, 04 Aug 1997 06:53:37 GMT
Message-ID: <33e57bc7.1029939@news.nol.net>
References: <m0wtgcB-0003DJC AT fwd05 DOT btx DOT dtag DOT de>
NNTP-Posting-Host: ip39-11.nol.net
Lines: 18
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

On Wed, 30 Jul 1997 22:49:00 GMT, Georg DOT Kolling AT t-online DOT de (Georg
Kolling) wrote:

>I know this is a situation that won't happen very often, but...
>What does VBE 2.0 (or anthing above) do if there are 4 GB RAM present?
>Does it just fail to map a linear framebuffer into memory, does it
>overlay some Megs of system RAM or does it display a big red button to press :)?
>
Well I think the Cirrus Logic 5440 maps it's frame buffer to the 14 MB
mark and while it does cause troubles it's been worked around.  I'm
not sure if it's the CL 5440 or some other card but I know that there
is some card out there that does this and in 14+ MB systems it is a
pain but solveable.  Don't ask me how I just read about it somewhere
(I think when I was installing Linux but maybe not).


Lonnie McCullough
lonniem AT cs DOT utexas DOT edu

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