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100

101

SCSI-2 Drive Command Set

Numerical List of Commands

Chapter 22-2

Numerical List of Commands

The following tables list the SCSI-2 commands numerically, by group.

Table 2-1 Group 0 Commands (6-byte command)

Code

(hex.)

Name Description Page

Number

00H Test Unit Ready Provides a means to check if

the logical unit is ready

2-8

01H Rezero Unit Moves the optical head to its

recalibration position

2-9

03H Request Sense Requests the detailed error

information

2-10

04H Format Unit Initializes the optical disk

(done only once for

unformatted Write-Once

disks)

2-15

07H Reassign Blocks Reassigns defective sectors 2-19

08H Read Reads data from the specified

logical block address

2-21

0AH Write Writes data to the specified

logical block address

2-23

0BH Seek Moves the optical head to the

physical track where the

specified logical block exists

2-25

12H Inquiry Reads the information

related to the controller and

the drive unit

2-26

15H Mode Select Sets optical disk, drive unit,

or controller unit parameters

2-31

16H Reserve Gains the exclusive control of

a specified logical unit

2-52

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 377 378

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