Specifications

Command name
Type
Command
code
Register
FR SC SN CY DH
ATA standard power management commands
Check Power Mode
ND
98
H
or E5
H
n y n n D
Idle
ND
97
H
or E3
H
n y n n D
Idle Immediate
ND
95
H
or E1
H
n n n n D
Sleep
ND
99
H
or E6
H
n n n n D
Standby
ND
96
H
or E2
H
n n n n D
Standby Immediate
ND
94
H
or E0
H
n n n n D
Seagate standard power management commands
Active and Set Idle Timer
ND
FB
H
n y n n D
Active Immediate
ND
F9
H
n n n n D
Check Idle Mode
ND
FD
H
n y n n D
Idle Immediate
ND
F8
H
n n n n D
Idle and Set Idle Timer
ND
FA
H
n y n n D
Seagate alternative power management commands
Check Idle Mode
ND
FD
H
n y n n D
Check Standby Power Mode
ND
E5
H
n y n n D
Enable/Disable Auto Idle
ND
FA
H
n y n n D
Enable/Disable Auto Standby
ND
E2
H
n y n n D
Idle Immediate
ND
F8
H
n n n n D
Ready and Enable/Disable
Auto Idle
ND
FB
H
n n n n D
Ready and Enable/Disable
Auto Standby
ND
E3
H
n n n n D
Ready Immediate
ND
E1
H
or F9
H
n n n n D
Sleep
ND
E6
H
n n n n D
Standby Immediate
ND
E0
H
n n n n D
ATA Interface Reference Manual, Rev. C 35