READ BLOCK LIMITS05h

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:

Illegal Field Reservation Deferred Error Unit Attention

Command descriptor block:

 

 

7

6

5

4

 

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

Operation

Code (05h)

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

Reserved (0)

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Read Block Limits data:

 

7

6

5

4

 

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

00h

 

 

 

 

1(MSB)

 

 

Maximum Block Length

 

2

 

 

 

(FFFFFFh)

 

 

 

 

3

 

(LSB)

 

 

 

 

 

 

4

(MSB)

Minimum Block Length (0001h)

 

 

 

 

5

 

(LSB)

 

 

120 Commands