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10.37 Seek (7xh)
Command Block Output Registers
Register
7
Data
-
Feature
-
Sector Count
-
Sector Number
V
Cylinder Low
V
Cylinder High
V
Device/Head
1
Command
0
Error Register
7
6
5
CRC UNC
0
IDN
0
0
0
Table 150 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
Sector Number
In LBA mode, this register specifies LBA address bits 0 – 7 for seek. (L=1)
Cylinder High/Low
The cylinder number of the seek.
In LBA mode, this register specifies LBA address bits 8 – 15 (Low), 16 – 23 (High)
for seek. (L=1)
H
The head number of the seek.
In LBA mode, this register specifies LBA address bits 24 – 27 for seek. (L=1)
Input Parameters From The Device
Sector Number
In LBA mode, this register contains current LBA bits 0 – 7. (L=1)
Cylinder High/Low
In LBA mode, this register contains current LBA bits 8 – 15 (Low), 16 – 23 (High).
(L=1)
H
In LBA mode, this register contains current LBA bits 24 – 27. (L=1)
HITACHI Deskstar & CinemaStar P7K500 Hard Disk Drive specification (Rev 1.1)
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
L
1
D
H
H
H
H
1
1
1
-
-
-
-
4
3
2
1
0
0
ABT T0N AMN
V
0
V
0
0
Command Block Input Registers
Register
7
6
Data
-
-
Error
Sector Count
-
-
Sector Number
V
V
Cylinder Low
V
V
Cylinder High
V
V
Device/Head
-
-
Status
Status Register
7
6
5
4
BSY RDY
DF
DSC DRQ COR IDX ERR
0
V
0
V
199
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
-
-
H
H
H
H
...See Below...
3
2
1
0
-
0
-
V
- Quick Links:
- Data Sheet
- Jumper Settings(Pata Model)
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