SEEK (CD-ROM mode)

2Bh

SEEK is executed for 2Bh when the drive is in CD-ROM mode. When out of CD-ROM, the LOCATE command, which shares the opcode, is executed.

Assuming the pre-execution checks are passed, GOOD status is always reported.

Pre-execution checks:

Illegal Field

Flag Link

Bad LUN

Reservation

Deferred Error

Unit Attention

Media Access

Diagnostic Status

Command descriptor block:

 

 

7

 

6

5

 

4

 

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

Operation

Code (2Bh)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

Logical Unit Number

 

 

 

 

 

Reserved (0)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

(MSB)

 

Logical Block Address

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

(LSB)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6–8

 

 

 

 

 

Reserved (0)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

 

 

 

 

Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CDB fields:

Logical Block Address This field is ignored.

Commands

SEEK (CD-ROM mode) 2Bh 167