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Constellation CS Serial ATA Product Manual, Rev. C 15
www.seagate.com
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.
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
PowerChoice Supported Extended Power Condition Indentifiers
Power Condition Name Manufacturer Default Timer Values
Idle_a 2 min
Idle_b 4 min
Idle_c 10 min
Standby_z 15 min
EPC Subcommands Descriptions
00
H
Restore Power Condition Settings
01
H
Go to Power Condition
02
H
Set Power Condition Timer
03
H
Set Power Condition State
Power Condition
Identifiers
Power Condition Name
00
H
Standby_z
01-80
H
Reserved
81
H
Idle_a
82
H
Idle_b
83
H
Idle_c
84-FE
H
Reserved
FF
H
All EPC Power Conditions