Table 172 Write Multiple Command (C5H); Write Multiple (C5H) - Hitachi HDS723020BLA642 Specifications
3.5 inch serial ata hard disk drive
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Also See for HDS723020BLA642:
- Datasheet (2 pages) ,
- Quick installation manual (3 pages) ,
- Quick installation manual (3 pages)
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11.52 Write Multiple (C5h)
Command Block Output Registers
Register
7
Data
-
Feature
-
Sector Count
V
Sector Number
V
Cylinder Low
V
Cylinder High
V
Device/Head
1
Command
1
Error Register
7
6
5
CRC UNC
0
0
0
0
Table 172 Write Multiple Command (C5h)
The Write Multiple command transfers one or more sectors from the host to the device, and then the data is
written to the disk media.
Command execution is identical to the Write Sector(s) command except that an interrupt is generated for each
block (as defined by the Set Multiple command) instead of for each sector. The sectors are transferred through
the Data Register 16 bits at a time.
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
1
0
0
0
1
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
-
1
Status
Status Register
0
7
6
5
BSY RDY
DF
0
0
V
0
245
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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- Data Sheet
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