ata "fallback to PIO mode" on dual processor AMD systems

[Andrew MacIntyre]

On Thu, 2 Jan 2003, Bruce Campbell wrote:

> I've manually set:
>
>   atacontrol mode 0 UDMA33 UDMA33
>
> and the problem has not recurred.

That sort of hints that there's some issue with the cabling, as UDMA33 is
the highest you can go on a 40wire IDE cable.  Going beyond requires an
80wire cable (& no longer than 450mm/18" as I recall).

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