FUJITSU MCJ3230AP - Manual (Page 144)

Host Interface
4-72 C156-E205-01EN
4.6.19 START/STOP UNIT command
Table 4.108 START/STOP UNIT command
Bit
Byte
7 6 5 4 3 2 1 0
0 Operation Code (1Bh)
1 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.
When the IMMED (Immediate) bit is 1, command completion is reported before
processing is completed.
Processing for other values is listed in Table 4.109.
Table 4.109 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).