Seagate ST19171WC Product Manual - Page 53
Interface requirements
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Barracuda 9 Product Manual, Rev. C 43 9.0 Interface requirements This section describes Barracuda 9 interface requirements. 9.1 General description This section partially describes the interface requirements as implemented on the drives. The major portion of the interface requirements/implementation is described in the SCSI Interface Product Manual, part number 77738479. This section has tables that give the Barracuda 9 family drive's version of the SCSI implementation described in the SCSI Interface Product Manual. 9.2 SCSI interface messages supported Table 6 lists the messages supported by the SCSI-2 and SCSI-3 modes of the Barracuda 9 family drives. ASA II is Seagate's second generation of Advanced SCSI Architecture firmware. Table 6: SCSI messages supported by Barracuda 9 family drives Message Name Message Code Supported by ESP SCSI-2 Abort 06h Y Abort-tag 0Dh Y Bus device reset 0Ch Y Clear queue 0Eh Y Command complete 00h Y Continue I/O process 12h Y Disconnect 04h Y Extended messages 01h[1] Y Identify 80h-FFh Y Ignore wide residue (two bytes) 23h Y Initiate recovery 0Fh N Initiator detected error 05h Y Linked command complete 0Ah Y Linked command complete with flag 0Bh Y Message parity error 09h Y Message reject 07h Y Modify data pointer [1] N No operation 08h Y Queue tag messages (two bytes) Head of queue tag 21h Y Ordered queue tag 22h Y Simple queue tag 20h Y Release recovery 10h N Restore pointers 03h Y Save data pointer 02h Y Synchronous data transfer req. [1] Y Target transfer disable 13h Y Terminate I/O process 11h N Wide data transfer request [1] [2] Y Notes. [1] Extended message (refer to the SCSI Interface Product Manual, part number 77738479). [2] Not applicable to "N" models.