Quantum Instruments DLT 7000 guide

SCSI Commands

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	7	6	5		4	3	2	1	0
Byte
	(MSB)
0 - 1				Pattern Number (See Table 5-77)
									(LSB)
	(MSB)
2 - 3				Maximum Number of Test Passes
									(LSB)
	(MSB)
4 - 7					Block Size
									(LSB)
	(MSB)
8 - 11					Block Count
									(LSB)

Figure 5–77 SEND DIAGNOSTIC Parameter List - Data Format

5-160

Quantum DLT 7000 Tape System

DLT 7000 specifications

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Quantum Instruments DLT 7000 manual Send Diagnostic CDB Bits Selftst, DevOfl, and UnitOfl

Models: DLT 7000

SCSI Commands

SEND DIAGNOSTIC Command (1Dh) (continued)

Table 5–76 SEND DIAGNOSTIC CDB Bits Selftst, DevOfl, and UnitOfl

Bit

(LSB)

(LSB)

(LSB)

(LSB)

Figure 5–77 SEND DIAGNOSTIC Parameter List - Data Format

Quantum DLT 7000 Tape System

DLT 7000 specifications