On Wed, Oct 25, 2000 at 01:39:53AM -0700, Todd P. Whitesel wrote:
> The BIOS doesn't let me set that, it only has "Auto" vs. "Disable" for
> both PIO and UDMA, for each of four IDE devices.
> 
> But with a UDMA33 drive, I get the same spurious error behavior.
> 
> --- NOTE ---
> 
> After two days of success, the PIO-only mode tests have now exhibited the
> same spurious errors, with both FreeBSD 4.1.1 and NetBSD 1.5_ALPHA2.
> 
> So that would suggest that this isn't a strictly UDMA issue after all,
> but rather a very subtle VIA PC133 issue... yuck.

Ok. I suspect something like this, because
1) UDMA has crc checks, to errors on the IDE bus should be detected
2) the VIA code is otherwise well tested :)

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
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