Fujitsu MCM3130AP Manual Do Utilizador
4.6 Packet Commands
C156-E227-01EN
4-77
4.6.19 START/STOP UNIT command
Table 4.107 START/STOP UNIT command
Bit
Byte
7
6
5
4
3
2
1
0
0
Operation Code (1Bh)
1
Logical Unit Number
Reserved
IMMED
2-3
Reserved
4
Reserved
LoEj
Start
5-11
Reserved
The START/STOP UNIT command ejects media or starts and stops rotating the
disk.
disk.
When the IMMED (Immediate) bit is 1, command completion is reported before
processing is completed.
processing is completed.
Processing for other values is listed in Table 4.108.
Table 4.108 START/STOP/EJECT processing
LoEj
Start
Processing
0
0
Stops disk rotation.
0
1
Starts disk rotation and checks the format type of media.
1
0
Ejects media if possible.
1
1
Ends abnormally (ILLEGAL REQUEST).