Western Digital Ultrastar DC HC310 Specifications page 322

3.5 inch serial ata hard disk drive
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status of a sector shall remain through a power cycle. If the drive is unable to process a Write Uncorrectable EXT
command for any reason the device shall abort the command.
Output Parameters To The Device
Feature Current
Sector Count Current
Sector Count Previous
Sector Number Current
Sector Number Previous
Cylinder Low Current
Cylinder Low Previous
Cylinder High Current
Cylinder High Previous
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)
Uncorrectable options
55h :Create a pseudo-uncorrectable error with logging
AAh :Created a flagged error without logging
Other value : Reserved
The number of continuous sectors to be transferred low order, bits (7:0).
The number of continuous sectors to be transferred high order bits (15:8). If zero is
specified, then 65,536 sectors will be transferred.
LBA (7:0).
LBA (31:24).
LBA (15:8).
LBA (39:32).
LBA (23:16).
LBA (47:40).
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.
Western Digital Hard Disk Drive OEM Specification
308

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