Reference Guide

Chapter 4 SCSI Commands
READ BLOCK LIMITS Command (05h)
DLT-S4 Interface Reference Guide 263
Figure 128 READ BLOCK
LIMITS Data
— Field
Descriptions
Field Description
Granularity Indicates the granularity of block sizes the drive
supports. Block sizes must be an even multiple of 2
raised to the granularity power. This field is set to 0
for all densities indicating any block size between the
minimum and the maximum is acceptable.
Maximum
Block Length
Indicates the maximum block length. The drive
supports a maximum block length of 16,777,212 (16
MB - 4).
Minimum
Block Length
Indicates the minimum block length. For Super
DLTtape format, the minimum block length is 4.