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List: freebsd-alpha
Subject: Re: alpha/75317: ATA DMA broken on PCalpha
From: Wilko Bulte <wb () freebie ! xs4all ! nl>
Date: 2004-12-22 22:13:46
Message-ID: 20041222221346.GA51611 () freebie ! xs4all ! nl
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On Thu, Dec 23, 2004 at 12:03:01AM +0200, Sven Petai wrote..
> On Wednesday 22 December 2004 20:44, Wilko Bulte wrote:
...
> what I actually meant was that sure enough ALL the SX and LX boxes have
> PYXIS chips but _maybe_ some of the early ones don't have the fix for 8k
> problem, since the fix consists of adding some off-chip logic, it's not
> detectable in the version of Pyxis chip itself.
I am not sure if that is entirely correct. Having looked at the various
mainboard revisions for Miata in the past along with the engineering errata
I got the impression that at some point there has been a silicon fix (to
the Pyxis itself I mean). I am not 100% sure about this.
> > so without the warning. In Miatas using a 32bit slot instead of a 64bit
> > PCI slot avoided the problem.
>
> but that doesn't help you in the case of onboard ata...
True.
> actually it would be nice to know if the early Miatas that are detected as
> having faulty Pyxis, have the same issue when using onboard ata in the
> CURRENT, they certainly should...
There are plenty of Miatas out in the FreeBSD committer community so...
I no longer have any Miatas, I used to have both a MX5 and a GL model.
--
Wilko Bulte wilko@FreeBSD.org
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