HP Surestore 125ex Optical Drive and Library SCSI-2 Command Reference - Page 39
Numerical List of Commands,
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SCSI-2 Drive Command Set Numerical List of Commands Table 2-1 Numerical List of Commands The following tables list the SCSI-2 commands numerically, by group. Group 0 Commands (6-byte command) Code Name (hex.) Description Page Number 00H 01H 03H 04H 07H 08H 0AH 0BH 12H 15H 16H Test Unit Ready Provides a means to check if 2-8 the logical unit is ready Rezero Unit Moves the optical head to its 2-9 recalibration position Request Sense Requests the detailed error information 2-10 Format Unit Initializes the optical disk (done only once for unformatted Write-Once disks) 2-15 Reassign Blocks Reassigns defective sectors 2-19 Read Reads data from the specified 2-21 logical block address Write Writes data to the specified logical block address 2-23 Seek Moves the optical head to the physical track where the specified logical block exists 2-25 Inquiry Reads the information related to the controller and the drive unit 2-26 Mode Select Sets optical disk, drive unit, 2-31 or controller unit parameters Reserve Gains the exclusive control of 2-52 a specified logical unit 2-2 Chapter 2