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From: Hans-Bernhard Broeker <broeker AT physik DOT rwth-aachen DOT de>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Protected Mode disk access
Date: 26 Jan 2002 00:51:57 GMT
Organization: Aachen University of Technology (RWTH)
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Michael Wahl, PicoQuant <wahl AT pq DOT fta-berlin DOT nospamplease DOT de> wrote:

>> Not DOS, BIOS.  DOS doesn't talk to the disk directly.

> Ok, but can one get DMA under DOS/BIOS at all?

That depends on your BIOS.  Modern BIOSes can activate and use DMA
modes themselves.  Old ones don't.  Then you may have success with a
special hardware driver that DOS will then talk to, instead of the
BIOS.  But support for DOS in the shape of such drivers is dwindling
away.
-- 
Hans-Bernhard Broeker (broeker AT physik DOT rwth-aachen DOT de)
Even if all the snow were burnt, ashes would remain.