
Depending on the specific error, the Additional Sense Code (ASC)
is set to Illegal Operation Code (20h), Logical Unit Not Supported
(25h), or Invalid Field in CDB (24h).
The Additional Sense Code Qualifier (ASCQ) is set to 0.
2.6 Command Status
One status byte is sent from the CTS to the initiator at the completion
of a command. The format of the status byte is shown below.
Bit
Byte
76543210
00 Reserved Status Byte Code
ThemeaningoftheStatusByteCodeisshowninTable2-3. Notethat
the value of bit 0 is always 0.
Hex
Value
Bit
Meaning
543210
00h000000
Good. Indicates that the CTS successfully
completed the command.
02h000010
Check Condition. Indicates any error, exception, or
abnormal condition that causes sense information to
be set.
08h001000
Busy. Indicates that the CTS is busy. This status is
sent whenever the CTS is unable to accept a
command from an initiator.
18h011000
Reservation Conflict. Indicates that the CTS is
reserved for the exclusive use of another initiator.
Table 2-3 Definition of the Status Byte code
2-12
EXB-8205 and EXB-8505
(Standard and XL)
510503
2 SCSI Communication
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