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Commands120
READ BLOCK LIMITS 05h
READ BLOCK LIMITS tells the drive to return data defining the maximum block size that it can
support. Note that this is the maximum supportable, not the fixed block size.
Pre-execution checks:
Command descriptor block:
Read Block Limits data:
Illegal Field Reservation Deferred Error Unit Attention
7 6 5 4 3 2 1 0
0 Operation Code (05h)
1
Reserved (0)
4
5 Control
7 6 5 4 3 2 1 0
0 00h
1 (MSB)
Maximum Block Length
(FFFFFFh)
2
3 (LSB)
4 (MSB)
Minimum Block Length (0001h)
5 (LSB)