13 mode page 1a (power control) – Hitachi ULTRASTAR 15K450 HUS154530VLF400 User Manual
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Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
192
19.10.13 Mode Page 1A (Power Control)
Table 159: Page 1A (Power Control)
• Idle bit of one indicates that the Target shall use the Idle Condition Timer to determine the length of inactivity time to
wait before entering the Idle power state. An Idle bit of zero indicates that the Target shall not enter the Idle power
state.
• Idle Condition Timer field indicates the inactivity time in 100 millisecond increments that the Target shall wait before
entering the Idle power state. The minimum allowable inactivity time is 2 minutes. Any value less than this is
accepted, but will automatically default to 2 minutes.
• Standby bit of one indicates that the Target shall use the Standby Condition Timer to determine the length of inactivity
time to wait before entering the Standby power state. A Standby bit of zero indicates that the Target shall not enter the
Standby power state.
• Standby Condition Timer field indicates the inactivity time in 100 millisecond increments that the Target shall wait
before entering the Standby power state. The minimum allowable inactivity time is 2 minutes. Any value less than
this is accepted, but will automatically default to 2 minutes.
Byte
Bit
7
6
5
4
3
2
1
0
Default
0
PS
0
Page Code = 1Ah
9Ah
1
Page Length = 0Ah
0Ah
2
Reserved = 00h
00h
3
Reserved = 0
Idle
Standby
00h
4-7
(MSB)
Idle Condition Timer
(LSB)
00h
8-11
(MSB)
Standby Condition Timer
(LSB)
00h