HPT372 bug summary [was: RE: escalation stage 2]

Marcin Dalecki mdcki at gmx.net
Fri Jul 18 02:11:00 PDT 2003

Harald Schmalzbauer wrote:
> Harald Schmalzbauer wrote:
>>Ok, like I thought, the disk was not defect. There seems to be a
>>bug in ata
>>regarding HPT372
>>First: Wiht BIOS version 2.342 the secondary master disk id is incorrectly
>>detected (something liek "X X X X X X X X X X X X X X X" instead of
> Please forget that. It was because for convinience reasons I had turned the
> 80-pin ATA cables upside down. So the black was at the controller and the
> blue at the drive.
> I can't imagine that this makes any technical difference (as long as no
> slave drive is connected and there's no open end)
> But it seems the single connectors are electrical coded (again I can't
> imagine how?!?)

The shielding wires are only grounded on one side of the connector.
And then there is the cable select line.

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