FUJITSU MCJ3230AP - Manual (Page 114)

Host Interface
4-42 C156-E205-01EN
When the IMMED (Immediate) bit is 1, the ODD responds with immediate end
after the command is received and before formatting is completed. At this time,
during formatting, the Ready bit of the Status register is set to 0, and then set to1
after formatting is completed.
Defect List Length must be 0. If any other value is set, the command assumes as 0
is specified.
4.6.3 INQUIRY command
Table 4.43 INQUIRY command
Bit
Byte
7 6 5 4 3 2 1 0
0 Operation Code (12h)
1 Reserved
2 Reserved
3 Reserved
4 Allocation Length
5-11 Reserved
The INQUIRY command transfers device information to the host.
If the INQUIRY command is issued while the ODD contains the Unit Attention
condition, the ODD responds normally, but does not clear the Unit Attention
condition.