HGST Travelstar 7K500 BE, 250GB 0A79102 User Manual
Product codes
0A79102
7K500 OEM Specification
Page 142 of 176
14.39
14.39
14.39
14.39 Sleep (E6h/99h)
Sleep (E6h/99h)
Sleep (E6h/99h)
Sleep (E6h/99h)
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
- - - - - - - - Sector Count
- - - - - - - -
LBA Low
- - - - - - - - LBA Low
- - - - - - - -
LBA Mid
- - - - - - - - LBA Mid
- - - - - - - -
LBA High
- - - - - - - - LBA High
- - - - - - - -
Device
- - - - - - - - Device
- - - - - - - -
Command
1 1 1 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 AM
N
BSY RDY
DF
DSC DRQ COR IDX ERR
0
0
0
0
0
V
0
0
0
V
0
V
-
0
0
V
Table 109 Sleep Command (E6h/99h)
This command is the only way to cause the device to enter Sleep Mode.
When this command is issued, the device confirms the completion of the cached write commands.
Then the device is spun down, and the interface becomes inactive. The only way to recover from
Sleep Mode is with a software reset or a COMRESET.
Then the device is spun down, and the interface becomes inactive. The only way to recover from
Sleep Mode is with a software reset or a COMRESET.
If the device is already spun down, the spin down sequence is not executed.