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SubjectRe: Repeatable File Corruption (ECS K7S5A w/SIS735)
On Thu, 25 Oct 2001 22:21:47 -0400 (EDT), dan wrote:

> It is repeatable and verified on other boards of the same model. This
>just started happening when I upgraded the system. The following is a
>link to the ECS K7S5A board in question, the SIS735 chipset, and a

> hda: ST36421A, ATA DISK drive
> hdb: QUANTUM FIREBALLP LM10.2, ATA DISK drive
> hdc: IC35L060AVER07-0, ATA DISK drive

>The problem only went away when I replaced the motherboard. I also
>haven't had any file corruption issues running Windows2000 on the same
>hardware with the same files. I moved all of the hardware in the original
>system to a new motherboard (ASUS A7A266) and the problem went away.

>I have CC'd the IDE chipset maintainer because I can only assume it might
>be related.

It very likely is. The current Linux SiS IDE driver doesn't initialize
the the EIDE controller in the SiS735 (and most likely all other
ATA/100 capable members, too) correctly.

The SiS735 IDE cycle timing registers have a layout that is different
from the older predecessors!

>From my experiences, drivers taking this not into account *do* actually
work most of the time even if the timing of the layer 0 communication
protocol is wrong, but fail mysteriously sometimes. Andre needs to
update the SiS5513 code.

Ciao,
Dani

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Daniela Engert, systems engineer at MEDAV GmbH
Gräfenberger Str. 34, 91080 Uttenreuth, Germany
Phone ++49-9131-583-348, Fax ++49-9131-583-11


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