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4.5 ATA Commands
C156-E227-01EN 4-35
Table 4.27 Error register
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 WRT_PT MC 0 MCR 0 NOMED 0
WRT_PT: Set to 1 when write-protected.
MC: Set to 1 when media is exchanged. Reported only once.
MCR: Set to 1 when the Eject switch is pressed. Reported only once.
NOMED: Set to 1 when no media is inserted.
If this command is received while the media status notification function is
disabled, this command responds with the ODD status assuming that the media
status notification function is enabled. Subsequently, this command operates
assuming that the media status notification function is enabled until it is set to
disabled.
4.5.7 IDLE IMMEDIATE (95h/E1h)
Table 4.28 IDLE IMMEDIATE command
Bit
76543210
10010101CM
11100001
DHXXXDRVXXXX
CHXXXXXXXX
CLXXXXXXXX
SNXXXXXXXX
SCXXXXXXXX
FRXXXXXXXX
The ODD sets the power mode to idle mode.