Seagate ST12000VN0008 Product Manual page 14

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PowerChoice provides the following reporting methods for tracking purposes
Check Power Mode Command
Reports the current power state of the drive

Identify Device Command
EPC Feature set supported flag

EPC Feature enabled flag is set if at least one Idle power condition timer is enabled

Power Condition Log reports the following for each power condition
Nominal recovery time from the power condition to active

If the power condition is Supported, Changeable, and Savable

Default enabled state, and timer value

Saved enabled state, and timer value

Current enabled state, and timer value

S.M.A.R.T. Read Data Reports
Attribute 192 - Emergency Retract Count

Attribute 193 - Load/Unload Cycle Count

PowerChoice Manufacture Default Power Condition Timer Values
Default power condition timer values have been established to assure product reliability and data integrity. A
minimum timer value threshold of two minutes ensures the appropriate amount of background drive maintenance
activities occur. Attempting to set a timer values less than the specified minimum timer value threshold will result in
an aborted EPC "Set Power Condition Timer" subcommand.
Power Condition Name
Idle_a
Idle_b
Idle_c
Standby_z
Setting power condition timer values less than the manufacturer specified defaults or issuing the EPC "Go to Power
Condition" subcommand at a rate exceeding the default timers may limit this products reliability and data integrity.
PowerChoice Supported Extended Power Condition Feature Subcommands
EPC Subcommand
00
H
01
H
02
H
03
H
04
H
05
H
Seagate IronWolf Serial ATA Product Manual, Rev. C
Manufacturer Default Timer Values
100 ms
2 min
4 min
15 min
Description
Restore Power Condition Settings
Go to Power Condition
Set Power Condition Timer
Set Power Condition State
Enable EPC Feature Set
Disable EPC Feature Set
Drive specifications
13