Quantum DLT-S4 Guide de l'utilisateur télécharger pdf (Page 296)

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101

Chapter 4 SCSI Commands

READ BLOCK LIMITS Command (05h)

DLT-S4 Interface Reference Guide 262

READ BLOCK LIMITS Command (05h) 4

The READ BLOCK LIMITS command directs the tape drive to report its

block length limits.

Figure 126 READ BLOCK

LIMITS Command Descriptor

Block — Data Format

The READ BLOCK LIMITS data shown in figure 127. The command does

not reflect the currently selected block size, only the available limits. The

MODE SENSE command returns the current block size.

Figure 127 READ BLOCK

LIMITS Data

—Data Format

Bit

7 6 5 4 3 2 1 0

Byte

0 Operation Code (05h)

1 — 4 Reserved

5 Control

Bit

Byte

7 6 5 4 3 2 1 0

0 Reserved Granularity (0)

1 — 3

(MSB)

Maximum Block Length (0xFFFFFC)

(LSB)

4 — 5

(MSB)

Minimum Block Length (0004H)

(LSB)

1 2 ... 291 292 293 294 295 296 297 298 299 300 301 ... 385 386

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