Date: Wed, 22 Dec 2004 23:13:46 +0100 From: Wilko Bulte <wb@freebie.xs4all.nl> To: Sven Petai <hadara@bsd.ee> Cc: freebsd-alpha@freebsd.org Subject: Re: alpha/75317: ATA DMA broken on PCalpha Message-ID: <20041222221346.GA51611@freebie.xs4all.nl> In-Reply-To: <200412230003.02588.hadara@bsd.ee> References: <200412221730.iBMHUJC6097807@freefall.freebsd.org> <20041222184436.GA50553@freebie.xs4all.nl> <200412230003.02588.hadara@bsd.ee>
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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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