Table 1.7 Advanced Power Management - Fujitsu MHZ2080BJ Product/Maintenance Manual

Device Overview
Active Idle:
Low Power Idle:
Standby:
In APM Mode-1, which is the APM default mode, the operation status shifts till it
finally reaches "Low Power Idle."
APM Mode
Mode-0
Mode-1
Mode-2
When the maximum time that the HDD is waiting for commands has been
exceeded:
Mode-0: Mode shifts from Active condition to Active Idle in 0.2-1.2, and to Low
Mode-1: Mode shifts from Active condition to Active Idle in 0.1-0.2 seconds and
Mode-2: Mode shifts from Active condition to Active Idle in 0.1-0.2 seconds and
Remark:
The default values of these settings are reflected in the WORD 91 values of the
IDENTIFY DEVICE command. Also, the APM mode is initialized to Mode-1
(default value) at power-off.
The above mentioned is time until shifting to each power mode based on point that
the drive becomes a command waiting state.
1-16
The head is in a position of extreme inner in disk
medium. (VCM Lock)
The head is unloaded from disk.
The spindle motor rotates.
The spindle motor stops.

Table 1.7 Advanced Power Management

Active Idle
(VCM Lock)
0.2-1.2 sec
0.1-0.2 sec
0.1-0.2 sec
Power Idle in 15 minutes.
to Low Power Idle in 10.0-27.5 seconds.
to Low Power Idle in 10.0-27.5 seconds. After 10.0-40.0 seconds in
Low Power Idle, the mode shifts to standby.
Low Power Idle
(Unload) (Spin Off)
15 min.
10.0-27.5 sec
10.0-27.5 sec 10.0-40.0 sec
Standby
N/A
N/A
C141-E280