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C156-E142-02EN 4 - 17
! Software reset
Particularly under the condition described below, a command end response or data transfer to the
host may be delayed until the write operation to media is completed.
! When a command that requires a new segment is received while all segments in the data buffer
are used
Under the conditions given below, write data in the buffer may not be written properly on media:
! Power-off
! Hardware reset
! Forced media ejection (mechanical ejection)
4.4.6 Media status notification function
The media status notification function notifies the host of various information on the removable
media device. The function is enabled or disabled with the SET FEATURES command.
When the media status notification function is enabled, the functions below will be added or
changed.
! The GET MEDIA STATUS command is enabled.
! The Eject switch is disabled.
The media status notification function is disabled at power-on reset, software reset, ATAPI reset,
or when the EXECUTE DEVICE DIAGNOSTIC command is received.
4.4.7 Power management function
The ODD provides the power management function that minimizes the power consumed. For this
function, the ODD has some control commands and a timer. The host uses the functions below to
control the power management function.
1) Standby timer
2) Idle Immediate command
3) Sleep command
4) Standby Immediate command