Date: Mon, 12 Feb 1996 07:55:13 -0800 (GMT)
From: Orlando Andico <oandico AT eee DOT upd DOT edu DOT ph>
To: Ulf Griesmann <ulfg AT groundhog DOT phy DOT nist DOT gov>
cc: djgpp AT delorie DOT com
Subject: Re: how to allocate DMA pages ?
Message-ID: <Pine.SOL.3.91.960212075418.518A-100000@gollum>
MIME-Version: 1.0

On 10 Feb 1996, Ulf Griesmann wrote:

> Hello All,
> 
> The 8237 DMA controllers in a PC can only perform DMA transfers to the 
> lower 16MB of physical memory. This makes it awkward to allocate 
> buffers for DMA transfers on machines with >16MB of memory because a 
> simple 'malloc' is no longer guaranteed to allocate DMAable memory.

So how does Windoze work around this? (just asking). I know someone who 
runs VHDL VLSI design software on a 64MB Windoze box...

/----------------------------------------------------------------------------\
|  Orlando A. Andico                 "I have no concept of time, other than  |
|  oandico AT eee DOT upd DOT edu DOT ph               it is flying." -- Alanis Morissette  |
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