Seek (7Xh) - Hitachi HTS541616J9SA00 Specifications

14.33

Seek (7xh)

Command Block Output Registers
Register
Data
Feature
Sector Count
LBA Low
LBA Mid
LBA High
Device
Command
Error Register
7 6 5 4
CRC UNC 0 IDN
0 0 0 V
Figure 73 Seek Command (7xh)
The Seek command initiates a seek to the designated track and selects the designated head. The device need not
be formatted for a seek to execute properly.
Output Parameters To The Device
LBA Low
LBA High/Mid
H
Input Parameters From The Device
LBA Low
LBA High/Mid
H
Travelstar 5K160 (SATA) Hard Disk Drive Specification
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
- - - - - - - -
V V V V V V V V
V V V V V V V V
V V V V V V V V
- L - - H H H H
0 1 1 1 - - - -
3 2 1 0
0 ABT T0N AM
N
0 V 0 0
In LBA mode, this register specifies LBA address bits 0 - 7 for seek. (L=1)
The cylinder number of the seek.
In LBA mode, this register specifies LBA address bits 8 - 15 (Mid), 16 - 23 (High) for
seek. (L=1)
The head number of the seek.
In LBA mode, this register specifies LBA address bits 24 - 27 for seek. (L=1)
In LBA mode, this register contains current LBA bits 0 - 7. (L=1)
In LBA mode, this register contains current LBA bits 8 - 15 (Mid), 16 - 23 (High).
(L=1)
In LBA mode, this register contains current LBA bits 24 - 27. (L=1)
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Command Block Input Registers
Register
Data
Error
Sector Count
LBA Low
LBA Mid
LBA High
Device
Status
Status Register
7 6 5 4
BSY RDY DF DSC DRQ COR IDX ERR
0 V 0 V
7 6 5 4 3 2 1 0
- - - - - - - -
...See Below...
- - - - - - - -
V V V V V V V V
V V V V V V V V
V V V V V V V V
- - - - H H H H
...See Below...
3 2 1 0
- 0 0 V