SCSI Primary Commands - 2.pdf

18 July 2001 T10/1236-D Revision 20C.3 Operation CodesTable C.2 is a numerical order listing of the command operation codes.Table C.2 — Operation Codes (part 1 of 7)D - DIRECT ACCESS DEVICE (SBC)Device Column key. T - SEQUENTIAL ACCESS DEVICE (SSC) M = Mandatory. L - PRINTER DEVICE (SSC) O = Optional. P - PROCESSOR DEVICE (SPC-2) V = Vendor specific. . W- WRITE ONCE READ MULTIPLE DEVICE (SBC) Z = Obsolete. . R - C/DVD DEVICE (MMC-2). . S - SCANNER DEVICE (SCSI-2). . . O - OPTICAL MEMORY DEVICE (SBC). . . M- MEDIA CHANGER DEVICE (SMC). . . C - COMMUNICATION DEVICE (SCSI-2). . . . A- STORAGE ARRAY DEVICE (SCC). . . . E- ENCLOSURE SERVICES DEVICE (SES). . . . B- SIMPLIFIED DIRECT-ACCESS DEVICE (RBC). . . . . K- OPTICAL CARD READER/WRITER DEVICE (OCRW). . . . .OP DTLPWRSOMCAEBK Description00 MMMMMMMMMMMMMM TEST UNIT READY01 M REWIND01 Z V Z Z Z O REZERO UNIT02 VVVVVV V03 MMMMMMMMMMMM M REQUEST SENSE04 M O O FORMAT UNIT04 O FORMAT MEDIUM04 O FORMAT05 VMVVVV V READ BLOCK LIMITS06 VVVVVV V07 O V V O O V REASSIGN BLOCKS07 O INITIALIZE ELEMENT STATUS08 O V O O O V READ(06)08 M READ08 O RECEIVE08 M GET MESSAGE(06)09 VVVVVV V0A O O O V WRITE(06)0A M WRITE0A M SEND(06)0A M SEND MESSAGE(06)0A M PRINT0B Z Z O Z V SEEK(06)0B O SLEW AND PRINT0C VVVVVV V0D VVVVVV V0E VVVVVV V0F VOVVVV V READ REVERSEa Approved for SSC-2 or proposed as part of the SSC-2 Explicit Address Model.b Approved for SPC-3.c Proposal for SPC-3 under consideration.d May be used by Socket Services project.e Place holder for when reserved operation codes are exhausted.f MAINTENANCE IN service action 0Ah and MAINTENANCE OUT service action 0Ah defined in a proposal underconsideration for SPC-3.dpANS SCSI Primary Commands - 2 (SPC-2) 249