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Date:      Thu, 8 Apr 2004 03:47:50 -0700 (MST)
From:      "Terry R. Friedrichsen" <trf@uplift.sunquest.com>
To:        fbsd-hardware.z.yurasocolov@xoxy.net, freebsd-hardware@freebsd.org
Subject:   re:  VIA 8235 and 686 UDMA ICRC errors
Message-ID:  <200404081047.i38AloGB091210@uplift.sunquest.com>

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Yura wrote:

> Does anyone else have a problem lately with VIA-based motherboards and
> relatively big IDE harddrives?

> [ ... ]

> If the drive is put in the BIOSPIO mode, everything works just dandy,
> including under heavy load on any of the boards. Under DMA100 i see
> ICRC errors as soon as there is more or less noticeable activity on
> the drive.

FWIW, I observed the same thing with a pair of Western Digital WD1000BB
100 GB hard drives; when enough activity hit them, they'd get errors and
drop into PIO mode, where they worked just fine.  I replaced them with a
pair of WD1200JB 120 GB drives (these are the special-edition version with
8 MB cache and maybe other differences as well) and had no problems.

However, this was on an Asus A7M266-D dual-processor system with an AMD768
south bridge, running FreeBSD 4.7.

Terry R. Friedrichsen

terry@uplift.sunquest.com



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