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READ BLOCK LIMITS
6.14. READ BLOCK LIMITS 05h
Bit
7
Byte
0
1
2
3
4
5
The READ BLOCK LIMITS command requests that the drive return its limits for Block Length. The READ BLOCK
LIMITS data shown below will be sent during the DATA-IN phase of the command. The command does not reflect
the currently selected block size, only the available limits. MODE SENSE returns the current block size. 2 bytes is
the minimum and 8 Mbytes byte is the maximum block size which the unit can support.
Bit
7
Byte
0
Reserved
1
(MSB)
2
3
4
(MSB)
5
GRANULARITY: This field indicates the block size granularity of the logical unit and the recording format. For this
logical unit, the value is 2, indicating a granularity of 2**GRANULARITY.
The maximum block length limit and minimum block length limit field values are shown in Table 6-71.
SONY AIT-5 drive SDX-1100V series Ver.1.0
6
5
4
Operation Code (05h)
Table 6-71: READ BLOCK LIMITS Data
6
5
4
Maximum Block Length Limit (80 00 00h)
Minimum Block Length Limit (00 04h)
3
2
Reserved
Reserved
Reserved
Reserved
Control
3
2
Granularity(02h)
6.Command Specification
1
0
1
0
(LSB)
(LSB)
6-69
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