Re: [patch] PIIX rewrite patch, pre-final

From: Vojtech Pavlik (vojtech@suse.cz)
Date: Thu Mar 14 2002 - 02:30:38 EST

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On Thu, Mar 14, 2002 at 08:24:02AM +0100, Daniela Engert wrote:
> On Thu, 14 Mar 2002 07:52:58 +0100, Vojtech Pavlik wrote:
>
> >> This will benifit PIIX3 chipsets? :)
> >It should.
>
> Are you aware of the batches of broken PIIX3 chips ?

I don't know of any IDE-related errata for the PIIX3 chip. At least
Intel didn't publish any and there doesn't seem to be any workarounds in
the original piix.c code, only a statement stating that the PIIX3 UDMA
is broken, however, as far as I know, PIIX3 isn't UDMA capable at all.

(Hmm, perhaps some BIOSes enable UDMA on PIIX3, that'd explain it ...
though I believe that's quite improbable).

In what way are those batches broken?

-- 
Vojtech Pavlik
SuSE Labs
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