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

Vojtech Pavlik (vojtech@suse.cz)
Thu, 14 Mar 2002 08:46:15 +0100


On Wed, Mar 13, 2002 at 11:36:30PM -0800, Andre Hedrick wrote:

> On Thu, 14 Mar 2002, Vojtech Pavlik wrote:
>
> > 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.
>
> 27296302.pdf 82371SB (PIIX3) Timing Specification
> 29765804.pdf INTEL 82371FB (PIIX) and 82371SB (PIIX3) SPECIFICATION UPDATE

Gee, thanks, like if I haven't read those twice over already. No mention
of UDMA (or SDMA in Intel speech), or any IDE errata anyway.

-- 
Vojtech Pavlik
SuSE Labs
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