
SCSI Commands
5-212 Quantum DLT 8000 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 5–95 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 or BHC
Test
1 0 0 Self-Test Level 1 with Default Parameters (device is
on-line)
1 0 1 Self-Test Level 2 with Default Parameters (device is
on-line)
1 1 0 Self-Test Level 1 with Default Parameters (device is
off-line)
1 1 1 Self-Test Level 2 with Default Parameters (device is
off-line)
Bit
Byte
7 6 5 4 3 2 1 0
0 - 1
(MSB)
Pattern Number (See Table 5-96)
(LSB)
2 - 3
(MSB)
Maximum Number of Test Passes
(LSB)
4 - 7
(MSB)
Block Size
(LSB)
8 - 11
(MSB)
Block Count
(LSB)
Figure 5–98 SEND DIAGNOSTIC Parameter List — Data Format
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