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

Page 264

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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

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