Travelstar 4K120 Hard Disk Drive Specification
161
13.32 Seek (7xh)
Table 114: Seek (7xh)
The Seek command initiates a seek to the designated track and selects the designated head. The device does not
need to be formatted for a seek to execute properly.
Output parameters to the device
LBA Low
In LBA mode this register specifies the LBA address bits 0–7 for seek. (L = 1)
LBA High/Mid
This is the cylinder number of the seek. In LBA mode this register specifies the LBA
address bits 8–15 (Low) and bits 16–23 (High) for seek. (L = 1)
H
This indicates the head number of the seek. In LBA mode this register specifies the LBA
address bits 24–27 for seek. (L = 1)
Input parameters from the device
LBA Low
In LBA mode this register contains the current LBA bits 0–7. (L = 1)
LBA High/Mid
In LBA mode this register contains the current LBA bits 8–15 (Mid) and bits16–23
(High). (L = 1)
H
In LBA mode this register contains the current LBA bits 24–27. (L = 1)
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
- - - - - - - -
Sector Count
- - - - - - - -
LBA Low
V V V V V V V V
LBA Low
V V V V V V V V
LBA Mid
V V V V V V V V
LBA Mid
V V V V V V V V
LBA High
V V V V V V V V
LBA High
V V V V V V V V
Device
- L - D H H H H
Device
- - - - H H H H
Command
0 1 1 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
AMN
BSY RDY
DF
DSC
DRQ
COR IDX
ERR
0
0
0
V
0
V
0
0
0
V
0
V
-
0
-
V
Summary of Contents for HTS421210H9AT00
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