Eric Auer wrote:Hi, I doubt that. UDMA is nice but it has limited compatibility. You need a PCI system with supported chipset,
A slight clarification: the list at the UDMA page is of the TESTED, not SUPPORTED "south bridges". Every "south bridge" compliant to the "bus master" specification and supporting UDMA should work.
and some protected mode programs are incompatible to it.
The fact that they fail on YOUR system doesn't mean that they fail everywhere.
It is like UMBPCI: If it works for you, it is nice, but if not, simply do not use it.
UMBPCI is a great piece of software and I'm pleased that UDMA can be compared to it. But there is a fundamental difference: UMBPCI has code for each chipset. UDMA has a GENERAL code that must work with every "south bridge" compatible with the specifications. The fact that the "south bridge" name is detected doesn't mean that it has specific support for this or that chip.
I believe (and I think Aitor and Bernd agree, since they suggested it) that UDMA is useful enough to modern DOS users that it belongs in 'base', even though no such functionality existed in MS-DOS.
I believe this is consistent with how Microsoft approached DOS. As new technologies became available, Microsoft added a support utility to MS-DOS. For example: POWER to support APM, EMM386/HIMEM to support more than 640k, ...
This completely coincides with my view. Thank you for this consideration of yours, Jim, Aitor, Bernd, and everyone that thinks so! I think that this brilliant work of Jack R. Ellis deserves it!
But if freedos-devel disagrees that UDMA belongs in 'base', I'll move it back to 'util'. What's the rest of the list say? Where does it belong?
Well, that's where a voting system would help ;-)
Thanks, Lucho (former UDMA maintainer)
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