OEM MANUAL:K6602771
6 COMMAND DESCRIPTIONS
Revision: 2 / Date: 2002.12.19
Page: 276 / 313
6.30 START / STOP UNIT:(1B
H
)
Bit
Byte
7
6
5
4
3
2
1
0
0
Operation Code (1B
H
)
0
0
0
1
1
0
1
1
1
Logical Unit Number
Reserved
Immed
0
0
0
0
2
Reserved
0
0
0
0
0
0
0
0
3
Reserved
0
0
0
0
0
0
0
0
4
Reserved
Start
0
0
0
0
0
0
0
5
Vendor Unique
Reserved
Flag
Link
0
0
0
0
0
0
The START/STOP command specifies whether the logical unit is to be made ready or
not ready for the subsequent operations.
When the Immed (Immediate) bit is set to 1, the controller returns the status
immediately after starting an operation (Spin Up / Down).
When the Immed bit is set to 0, the controller returns the status on completion of the
operation.
When the Start bit is set to 1, the controller sets the logical unit ready.
When the Start bit is set to 0, the controller sets the logical unit not ready.
START / STOP UNIT:(1Bh)