Hitachi HDS723020BLA642 Specifications page 156

0= Current Idle_a timer is disabled
9:0 Reserved
2..3 Word Reserved
4..7 DWrod Default Timer setting
The Default Timer setting is the minimum time that the device shall wait after
command completion before entering the power condition of the power
management state. A value of zero indicates that this power condition is
disabled . A value of FFFF_FFFFh indicates that the time is greater than or equal
to 429 496 729 500 milliseconds.
Measurement Units: 100 milliseconds.
8..11 DWord Saved Timer setting
The Saved Timer setting is the minimum time that the device shall wait after
command completion before entering the power condition of the power
management state . A value of zero indicates that this power condition is
disabled . A value of FFFF_FFFFh indicates that the time is greater than or equal
to 429 496 729 500 milliseconds.
Measurement Units: 100 milliseconds.
12..15 DWord Current Timer setting
The Current Timer setting is the minimum time that the device shall wait after
command completion before entering the power condition of the power
management state . A value of zero indicates that this power condition is
disabled . A value of FFFF_FFFFh indicates that the time is greater than or equal
to 429 496 729 500 milliseconds.
Measurement Units: 100 milliseconds
16..19 DWord Nominal Recovery time from to PM0:Active power management state
The Nominal Recovery time from power to PM0:Active is the nominal time
required to transition from power to PM0:Active power management state. This
time does not include processing time for the command that caused this
transition to occur . A value of zero indicates that the nominal recovery time is not
specified . A value of FFFF_FFFFh indicates that the recovery time is greater
than or equal to 429 496 729 500 milliseconds.
Measurement Units: 100 milliseconds.
This value shall be preserved over all resets.
20..23 DWord Minimum timer setting
The Minimum timer setting is the minimum timer value allowed by the Set Power
Condition Timer subcommand for the timer . A value of zero indicates that the
minimum timer value is not specified . A value of FFFF_FFFFh indicates that the
minimum timer value is greater than or equal to 429 496 729 500 milliseconds.
Measurement Units: 100 milliseconds
This value shall be preserved over all resets
24..27 DWord Maximum timer setting
The Maximum timer setting is the maximum timer value allowed by the Set Power
Condition Timer subcommand for the timer . A value of zero indicates that the
maximum timer value is not specified . A value of FFFF_FFFFh indicates that the
maximum timer value is greater than or equal to 429 496 729 500 milliseconds.
Measurement Units: 100 milliseconds
This value shall be preserved over all resets
28..31 DWord Reserved
Hitachi hard disk drive specifications
156