Support for WD Advanced Format disks

Dag-Erling Smørgrav des at
Wed Aug 11 08:27:00 UTC 2010

Bakul Shah <bakul at> writes:
> After poking around some, it seems ATA/ATAPI-7 Identify Device word
> 106 bit 13 is set to 1 and bits 0-3 are set to 3 (for 2^3 or 8 LBAs
> per sector) for a 4KB sector size (pin 7-8 jumper on a WD AF disks
> presumably changes this setting to 0,0).  See page 121 of Atapi-7
> volume 1 (google for ata-atapi-7.pdf).

Yes.  We already support this.  The problem is that WD's Advanced Format
disks (or at least some of them) lie.

Dag-Erling Smørgrav - des at

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