Send Diagnostic Command (1Dh) - HP 2600fx - Optical Disk Drive Command Reference Manual

NOTE
Table 2-67
Byte
0
1
2
3
4
5
NOTE
SCSI-2 Drive Command Set

Send Diagnostic Command (1DH)

Send Diagnostic Command (1DH)
This command initiates drive diagnostic tests.
Disconnect must be allowed to run diagnostic tests.
Send Diagnostic Command CDB
7 6
Logical Unit Number
(0)
SelfTst A Self-Test bit of 1 causes the poweron selftest to run.
This self-test is equivalent to the execution of test
sequence 1, Poweron Sequence. If this bit is 1, the
Parameter List Length must be 0.
A Self-Test bit of 0 indicates the test requested in the
Parameter List Length (See Table 2-70 on page 2-78)
A SelfTst bit of 0 should be followed by a Receive Diagnostics Results
Command.
A SelfTst bit of 1 should be followed by a Request Sense Command.
2-76
5 4 3
Operation Code (1DH)
PF (1) Rsvd
(0)
Reserved (0)
Parameter List Length (MSByte)
Parameter List Length (LSByte)
Reserved (0)
2 1
SelfTst DevOfl UnitOfl
Flag
Chapter 2
0
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