Send diagnostic command (1dh) (continued) – Quantum Instruments DLT 7000 User Manual
Page 264

SCSI Commands
5-160
Quantum DLT 7000 Tape System
SEND DIAGNOSTIC Command (1Dh) (continued)
The following table illustrates the possible settings of the Selftst, DevOfl, and
UnitOfl bits and the effects of each setting on the resulting self-test:
Table 5–76 SEND DIAGNOSTIC CDB Bits Selftst, DevOfl, and UnitOfl
Selftst
DevOfl
UnitOfl
Self - Test Effect
0
0
0
Illegal Combination
0
0
1
Self-Test Level 3 with User Parameters
0
1
0
Illegal Combination
0
1
1
Self-Test Level 2 with Default Parameters
1
0
0
Self-Test Level 1 with Default Parameters
1
0
1
Self-Test Level 2 with Default Parameters
1
1
0
Self-Test Level 1 with Default Parameters
1
1
1
Self-Test Level 2 with Default Parameters
Bit
Byte
7
6
5
4
3
2
1
0
0 - 1
(MSB)
Pattern Number (See Table 5-77)
(LSB)
2 - 3
(MSB)
Maximum Number of Test Passes
(LSB)
4 - 7
(MSB)
Block Size
(LSB)
8 - 11
(MSB)
Block Count
(LSB)
Figure 5–77 SEND DIAGNOSTIC Parameter List - Data Format