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15. POWER MANAGEMENT SPECIFICATION
This drive has a power management function to reduce power consumption.
15.1 Power Management Modes
The drive has the following four power management modes. The transition between these modes is performed
by the timer within the drive or a command issued by the host.
• Active mode
• Idle mode
• Standby mode
• Sleep mode
15.1.1 Transition in power management mode
The transition in the power management mode is shown in Fig.
(Fig. 15.1.1-1) Transition in power management mode
POWER ON
SELF DIAGNOSTIC
DISK PRESENCE ?
ACTIVE
MODE
IDLE
MODE
STANDBY
MODE
SLEEP MODE
TRAY LOADING
TRAY EJECT
DISK PRESENCE ?
(1)
NO
(3)
YES
(2)
(4)
(5)
(6)
(5)
(8)
(7)
(9)
(10)
(11)
(12)
(13)
NO
YES