
SDLT 600 SCSI Interface Guide Chapter 4: SCSI Commands
81-81200-02 REV A01 January 2005 4-181
4.16 READ BLOCK LIMITS Command (05h)
The READ BLOCK LIMITS command directs the SDLT tape drive to report its block length limits.
Figure 4-93. READ BLOCK LIMITS Command Descriptor Block — Data Format
The READ BLOCK LIMITS data shown below is sent during the DATA IN phase of the command.
The command does not reflect the currently selected block size, only the available limits. The MODE
SENSE command returns the current block size.
Figure 4-94. READ BLOCK LIMITS Data — Data Format
Bit
Byte
7 6 5 4 3 2 1 0
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
(LSB)
4 – 5
(MSB)
Minimum Block Length
(LSB)
SDLT 600
SCSI Interface Guide
SCSI Commands
81-81200-02
REV A01
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