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5-50 C141-E050-02EN
Under the standby mode, the spindle motor is stopped. Thus, when the command
involving a seek such as the READ SECTOR(s) command is received, the device
processes the command after driving the spindle motor.
attention: The automatic power-down is excuted if no command is coming for
30 min. (default)
At command issuance (I/O registers setting contents)
1F7
H
(CM)
X’96’ or X’E2’
1F6
H
(DH)
× × ×
DV
xx
1F5
H
(CH)
1F4
H
(CL)
1F3
H
(SN)
1F2
H
(SC)
1F1
H
(FR)
xx
xx
xx
Period of timer
xx
At command completion (I/O registers contents to be read)
1F7
H
(ST)
Status information
1F6
H
(DH)
× × ×
DV
xx
1F5
H
(CH)
1F4
H
(CL)
1F3
H
(SN)
1F2
H
(SC)
1F1
H
(ER)
xx
xx
xx
xx
Error information
(24) STANDBY IMMEDIATE (X’94’ or X’E0’)
Upon receipt of this command, the device sets the BSY bit of the Status register
and enters the standby mode. The device then clears the BSY bit and generates an
interrupt. This command does not support the automatic power-down sequence.