Hitachi HDS723020BLA642 - Set Multiple (C6 H); Table 147 Set Multiple Command (C6 H)

Hitachi hard disk drive specifications
211
11.41 Set Multiple (C6h)
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
V
V
V
V
V
V
V
V
Sector Count
-
-
-
-
-
-
-
-
Sector Number
-
-
-
-
-
-
-
-
Sector Number
-
-
-
-
-
-
-
-
Cylinder Low
-
-
-
-
-
-
-
-
Cylinder Low
-
-
-
-
-
-
-
-
Cylinder High
-
-
-
-
-
-
-
-
Cylinder High
-
-
-
-
-
-
-
-
Device/Head
1
-
1
D
-
-
-
-
Device/Head
-
-
-
-
-
-
-
-
Command
1
1
0
0
0
1
1
0
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
0
0
V
0
0
0
V
0
-
-
0
-
V
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.