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Quantum Instruments DLT 7000 User Manual

Page 282

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Appendix A: Definition of Vendor Unique Sense Data Information

A-4

Quantum DLT 7000 Tape System

Bit 7

Bit 6

(Rsv’d)

Bit 5

(Rsv’d)

Bit 4

(Rsv’d)

Bit 3

(Rsv’d)

Bit 2

Bit 1

Bit 0

Figure A-1 Internal Status Bits

Table A–2 Internal Status Bit Flags

Bit No.

Description

0

If set to 1, Cleaning Light is Illuminated, otherwise Light is off.

1 - 2

Tape Directory Status Bits:

Bit 2

Bit 1

0

0

Good Status

0

1

Unknown Status

1

0

Partial Directory (will be rebuilt when tape is
undergoing READ/WRITE)

1

1

No Directory (will be rebuilt when tape is
undergoing READ/WRITE)

3 - 6

Reserved

7

If set to 1, the Internal Status Byte (Byte 18) is in Bit Flags format; otherwise
Byte 18 contains a status code.