Sony CDU-541 Interface Manual page 100

CDU-541 CD-ROM DRIVE SCSI INTERFACE MANUAL
Table 5-49: Additional Sense Code Descriptions
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For Sense Key ILLEGAL REQUEST (5h):
Code Description
20 Invalid command operation code
21 Logical block address not valid
22 Illegal function for CD-ROM
24 Illegal value in command descriptor block other than
the operation code or the logical block address
25 Invalid logical unit number
26 Invalid field in parameter list
80 Prevent bit is set
81 Logical unit is reserved
82 End of user area encountered on this track
84 Illegal mode for this track
85 Audio address not valid
For Sense Key UNIT ATTENTION (6h):
Code Description
28 Not ready to ready transition (caddy inserted)
29 Power on, reset or BUS DEVICE RESET occurred
2A Mode select parameters changed
For Sense Key ABORTED COMMAND (Bh):
Code Description
43 Unsuccessful message retry
45 Reselect failure
48 Initiator detected error
49 Message out error
83 Overlapped commands attempted
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