Table A-1
Drive Error Codes
Drive Request Sense Command Values
Request Sense - Sense Key Values Byte 2, Bits 3 through 0
Sense
Name
Key
6H
Unit Attention
7H
Data Protect
8H
Blank Check
0BH
Aborted
Command
A-4
Abbrev.
Description
UA
The optical disk has been
loaded, the unit has been
reset, or the Mode Select
parameters have been
changed.
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.
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.
AC
Indicates that the drive
aborted the last command.
The initiator may be able
to recover by attempting
the command again.
Appendix A
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