Table 147 Set Multiple Command (C6H); Set Multiple (C6H) - 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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11.41 Set Multiple (C6h)
Command Block Output Registers
Register
Data
Feature
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Command
Error Register
7
6
5
CRC UNC
0
0
0
0
Table 147 Set Multiple Command (C6h)
The Set Multiple command enables the device to perform Read and Write Multiple commands and establishes
the block size for these commands. The block size is the number of sectors to be transferred for each interrupt.
If an invalid block size is specified, an Abort error will be returned to the host, and Read Multiple and Write
Multiple commands will be disabled.
Output Parameters To The Device
Sector Count.
The block size to be used for Read Multiple and Write Multiple commands. Valid block
sizes can be selected from 0, 1, 2, 4, 8 or 16. If 0 is specified, then Read Multiple and
Write Multiple commands are disabled.
7
6
5
4
3
2
1
-
-
-
-
-
-
-
-
-
-
-
-
V
V
V
V
V
V
V
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
-
1
D
-
-
1
1
0
0
0
1
1
4
3
2
1
IDN
0
ABT T0N AMN
0
0
V
0
Hitachi hard disk drive specifications
Command Block Input Registers
0
Register
-
-
Data
-
-
Error
V
Sector Count
-
-
Sector Number
-
-
Cylinder Low
-
-
Cylinder High
-
-
Device/Head
0
Status
0
7
6
5
BSY RDY
DF
0
0
V
0
211
7
6
5
4
3
2
-
-
-
-
-
-
...See Below...
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
...See Below...
Status Register
4
3
2
1
DSC DRQ COR IDX ERR
-
-
0
-
1
0
-
-
-
-
-
-
-
-
-
-
-
-
0
V
- Quick Links:
- Table 1 Type and Model
- General Features
- Data Sheet
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