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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)
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