Deskstar 7K160 Hard Disk Drive Specification
196
Feature Previous CCTL (7:0)
The time allowed for the current command's completion is
calculated as follows: Command Completion Time Limit
= (content of the Feature register Pre-
vious) * (Identify Device words (99:98)) useconds
If the value is zero, the device shall use the Default
CCTL supplied with a previous Configure Stream command
for this Stream ID. If the Default CCTL is zero, or no
previous Configure Stream command was defined for this
Stream ID, the drive will ignore the CCTL. The time is
measured from the write of the command register to the
final INTRQ for command completion.
Sector Count Current
The number of continuous sectors to be transferred low
order, bits (7:0)
Sector Count Previous
The number of continuous sectors to be transferred high
order, bits (15:8). If zero is specified in the Sector
Count register, then 65,536 sectors will be transferred.
Sector Number Current
LBA (7:0).
Sector Number Previous
LBA (31:24).
Cylinder Low Current
LBA (15:8).
Cylinder Low Previous
LBA (39:32).
Cylinder High Current
LBA (23:16).
Cylinder High Previous
LBA (47:40).
Input Parameters From The Device
Sector Number (HOB=0)
LBA (7:0) of the address of the first unrecoverable
error.
Sector Number (HOB=1)
LBA (31:24) of the address of the first unrecoverable
error.
Cylinder Low (HOB=0)
LBA (15:8) of the address of the first unrecoverable
error.
Cylinder Low (HOB=1)
LBA (39:32) of the address of the first unrecoverable
error.
Cylinder High (HOB=0)
LBA (23:16) of the address of the first unrecoverable
error.
Cylinder High (HOB=1)
LBA (47:40) of the address of the first unrecoverable
error.
CCTO (Error, bit 0)
CCTO bit shall be set to one if a Command Completion
Time Limit Out error has occurred.
Feature Current
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