Hitachi HTS541616J9SA00 - Standby Immediate (E0 H;94 H)

Travelstar 5K160 (SATA) Hard Disk Drive Specification
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14.42 Standby Immediate (E0h/94h)
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 0 0 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
Figure 975 Standby Immediate Command (E0h/94h)
The Standby Immediate command causes the device to enter Standby mode immediately.
When this command is issued, the device confirms the completion of the cached write commands.
Then the device is spun down, but the interface remains active.
If the device is already spun down, the spin down sequence is not executed.
During the Standby mode, the device will respond to commands, but there is a delay while waiting
for the spindle to reach operating speed.
The Standby Immediate command will not affect the auto power down timeout parameter.