Confirming that, what is put in the ATA_16 sector
count field is what the ATA command (IDENTIFY DEVICE)
expects in its count field. And according to ACS-2 (rev 2)
for IDENTIFY DEVICE that is "N/A" which I would
interpret as zero.
Ouch. Reviewing that "N/A" in the ATA spec: it means
that neither the host nor device should check that
field. So it could be any value, in this case 1.
..
I'll update hdparm (version 9.29) to supply a sector count of "1"
for IDENTIFY commands, just to satisfy the buggy bridge chip.
Cheers
--
Mark Lord
Real-Time Remedies Inc.
mlord@xxxxxxxxx
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