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Even if the device executes reading look-ahead operation or executes writing
operation, the device unloads the head(s) to the ramp position as soon as possible
when received the IDLE IMMEDIATE command with the Unload Feature. When
the writing operation is stopped, the device keeps the unwritten data. And, the
device keeps the unloaded state until receiving a Soft / Hard Reset, or a new
command except IDLE IMMEDIATE command with the Unload Feature.
At command issuance (I/O registers setting contents)
1F7
(CM)
H
1F6
(DH)
H
1F5
(CH)
H
1F4
(CL)
H
1F3
(SN)
H
1F2
(SC)
H
1F1
(FR)
H
At command completion (I/O registers contents to be read)
1F7
(ST)
H
1F6
(DH)
H
1F5
(CH)
H
1F4
(CL)
H
1F3
(SN)
H
1F2
(SC)
H
1F1
(ER)
H
C141-E250
X'E1'
x
x
x
DV
X'55'
X'4E'
X'4C'
xx
X'44'
Status information
x
x
x
DV
xx
xx
X'C4'
xx
Error information
5.3 Host Commands
xx
xx
5-35
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