Hitachi 7K400 - Deskstar Hard Drive Specifications page 179

Input parameters from the device
Sector Number (HOB=0)
Sector Number (HOB=1)
Cylinder Low (HOB=0)
Cylinder Low (HOB=1)
Cylinder High (HOB=0)
Cylinder High (HOB=1)
LBA (7:0) of the address of the first unrecoverable error.
LBA (31:24) of the address of the first unrecoverable error.
LBA (15:8) of the address of the first unrecoverable error.
LBA (39:32) of the address of the first unrecoverable error.
LBA (23:16) of the address of the first unrecoverable error.
LBA (47:40) of the address of the first unrecoverable error.
Deskstar 7K400 Hard Disk Drive Specification
165