SCSI Primary Commands - 2.pdf

T10/1236-D Revision 20 18 July 2001Command nameTable 13 — Commands for all device types (part 2 of 2)Operationcode Type ReferenceRESERVE(6) 16h Z 7.22SEND DIAGNOSTIC 1Dh Z 7.23SET DEVICE IDENTIFIER A4h/06h b O 7.24TEST UNIT READY 00h M 7.25WRITE BUFFER 3Bh Z 7.26Key: M = Command implementation is mandatory.O = Command implementation is optional.OB = Command implementation is defined in a previous standardX = Command implementation requirements given in reference subclause of this standard.Z = Command implementation is device type specific.a The MOVE MEDIUM ATTACHED and READ ELEMENT STATUS ATTACHED operation codesshown here should be used by devices with attached medium changers.b This command is defined by a combination of operation code and service action. The operationcode value is shown preceding the slash and the service action value is shown after the slash.42 dpANS SCSI Primary Commands - 2 (SPC-2)