Extended Power Conditions (Epc) Feature; Table 137 Parameter - Hitachi HDS723020BLA642 Specifications

11.38.6 Extended Power Conditions (EPC) feature

11.38.6.1
Restore Power Condition Settings subcommand
Command Block Output Registers
Register 7
Data
Feature 0
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head 1
Command 1
Error Register
7 6 5
CRC UNC 0
0 0 0

Table 137 Parameter

Output Parameters To The Device
bit Description
6 Default
1 Restore from Default settings
Restore from Saved settings
0
5 Reserved
4 Save
1 Save settings on completion
0 Do not save settings on completion
3-0 Restore Power Condition subcommand (0)
Error Output
If any selected Power Condition:
a) is not supported.
b) is not changeable.
c) if Save is set to one and any selected power condition is not saveable, then the device shall return command
aborted .
6 5 4 3 2 1
- - - - - - -
1 0 0 1 0 1
Power Condition IDs
Table 62
Parameter
Table 137
- - - - - - -
- - - - - - -
- 1 D - - -
1 1 0 1 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 7
- Data -
0 Error
Sector Count -
Sector Number -
- Cylinder Low -
- Cylinder High -
- Device/Head -
1 Status
Status Register
0 7 6 5
BSY RDY DF
0 0 V 0
Table 61
198
6 5 4 3 2 1 0
- - - - - - -
...See Below...
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
...See Below...
4 3 2 1
DSC DRQ COR IDX
- - 0 -
0
ERR
V