Table 175 Write Sector(S) Command (30H/31H); Write Sector(S) (30H/31H) - Hitachi HDS723020BLA642 Specifications
3.5 inch serial ata hard disk drive
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- Datasheet (2 pages) ,
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- Quick installation manual (3 pages)
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11.55 Write Sector(s) (30h/31h)
Command Block Output Registers
Register
7
Data
Feature
Sector Count
V
Sector Number
V
Cylinder Low
V
Cylinder High
V
Device/Head
1
Command
0
Error Register
7
6
5
CRC UNC
0
0
0
0
Table 175 Write Sector(s) Command (30h/31h)
The Write Sector(s) command transfers one or more sectors from the host to the device,and then the data is
written to the disk media.
The sectors are transferred through the Data Register 16 bits at a time.
If an uncorrectable error occurs, the write will be terminated at the failing sector.
6
5
4
3
2
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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
1
D
H
H
H
0
1
1
0
0
0
4
3
2
1
IDN
0
ABT T0N AMN
V
0
V
0
Hitachi hard disk drive specifications
Command Block Input Registers
0
Register
7
-
Data
-
-
Error
V
Sector Count
V
V
Sector Number
V
V
Cylinder Low
V
V
Cylinder High
V
H
Device/Head
-
R
Status
Status Register
0
7
6
5
BSY RDY
DF
0
0
V
0
251
6
5
4
3
2
1
-
-
-
-
-
-
...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
...See Below...
4
3
2
1
DSC DRQ COR IDX ERR
V
-
0
-
0
-
V
V
V
V
H
0
V
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- Table 1 Type and Model
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