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4.4 Various Processes
C156-E205-01EN 4-19
4.4.7.8 Power mode transition
The power mode transits as shown in Figure 4.1.
(1) The ODD enters idle mode because it receives the Idle Immediate command
or because it receives no commands within a specified time.
(2) The ODD enters idle mode with the Idle Immediate command.
(3) The ODD enters standby mode with the Standby Immediate command and
standby timer.
(4) The ODD enters active mode because it receives a media access command.
(5) The ODD enters sleep mode with the Sleep command.
Figure 4.1 Power mode
4.4.8 Unsupported functions
The ODD does not support the following functions which are covered by the
ATA/ATAPI-5 standard.
!
Overlapped feature set
!
Queued feature set
!
Advance Power Management feature set
!
Security Mode feature set
!
Power-Up In Standby feature set
Media is
inserted.
Active
Reset
Standby
Sleep
Media is ejected.
(1)
(4)
(5)
(
5)
(2)
(3)
(
5)
(4)
(3)