Travelstar 5K160 (SATA) Hard Disk Drive Specification
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14.11
Initialize Device Parameters (91h)
Command Block Output Registers
Command Block Input Registers
Register
7 6 5 4 3 2 1 0 Register
7 6 5 4 3 2 1 0
Data
- - - -
-
-
-
- Data
- - - - - -
-
-
Feature -
-
-
-
-
-
-
-
Error
...See
Below...
Sector
Count
V V V V V V V V Sector
Count
- - - - - -
-
-
LBA
Low
- - - -
-
-
-
- LBA
Low
- - - - - -
-
-
LBA
Mid
- - - -
-
-
-
- LBA
Mid
- - - - - -
-
-
LBA High
- - - -
-
-
-
- LBA
High
- - - - - -
-
-
Device
-
-
- -
H H H H Device
- - - - - -
-
-
Command
1 0 0 1 0 0 0 1 Status
...See
Below...
Error Register
Status Register
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
CRC UNC 0
IDN
0 ABT T0N
AM
N
BSY RDY
DF DSC DRQ
COR IDX
ERR
0 0 0 0 0 V 0 0
0 0 0 - - 0 0 V
Figure 44 Initialize Device Parameters Command (91h)
The Initialize Device Parameters command enables the host to set the number of sectors per track
and the number of heads minus 1, per cylinder. Words 54-58 in Identify Device Information reflects
these parameters.
The parameters remain in effect until the following events:
Another Initialize Device Parameters command is received.
The device is powered off.
Soft reset occurs and the Set Feature option of CCh is set
Output Parameters To The Device
Sector Count
The number of sectors per track. 0 does not mean there are 256 sectors per track, but there is no
sector per track.
H
The number of heads minus 1 per cylinder. The minimum is 0 and the maximum is 15.