Optical Drive and Library SCSI-2 Command Reference

Drive Error Codes
Drive Request Sense Command Values
Appendix AA-4
6H Unit Attention UA The optical disk has been
loaded, the unit has been
reset, or the Mode Select
parameters have been
changed.
7H Data Protect DP A command that writes to
the optical disk cannot be
performed due to the
write-protect condition of
the optical disk write-
protect switch.
8H Blank Check BC A blank sector was
detected during a Read
(Group 0 or 1) or Verify, or
a written sector was
detected during a Write
(Group 0 or 1) or a Write
and Verify command.
0BH Aborted
Command
AC Indicates that the drive
aborted the last command.
The initiator may be able
to recover by attempting
the command again.
Table A-1 Request Sense - Sense Key Values Byte 2, Bits 3 through 0
Sense
Key
Name Abbrev. Description