38
Product Manual - Hawk 1LP Family SCSI-2 (Volume 1), Rev. A
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11.0
Interface requirements
11.1
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 Seagate SCSI Interface Product Manual,
P/N 77738479. This section has tables that give the Hawk 1LP Family drives version of the SCSI
implementation described in the 77738479 document.
11.2
SCSI interface messages supported
Table 11.2-1 following lists the messages supported by the SCSI-1, SCSI-2 and SCSI-3 modes of the
ST31200N/ND Family drives.
Table 11.2-1. SCSI messages supported by ST31200N/ND/NC family drives
Msg
Supported by:
Code
SCSI-1 SCSI-2/SCSI-3
Message Name
01h[1]
Y
Y
Extended Messages
06h
Y
Y
Abort
0Dh
Y
Y
Abort-tag
0Ch
Y
Y
Bus device reset
0Eh
Y
Y
Clear queue
00h
Y
Y
Command complete
12h
Y
Y
Continued I/O process
04h
Y
Y
Disconnect
80h-FFh
Y
Y
Identify
23h
N
N
Ignore wide residue (two bytes)
0Fh
N
N
Initiate recovery
05h
Y
Y
Initiator detected error
0Ah
N
N
Linked command complete [2]
0Bh
N
N
Linked command complete with flag [2]
09h
Y
Y
Message parity error
07h
Y
Y
Message reject
[1]
N
N
Modify data pointer
08h
Y
Y
No operation
Queue tag messages (two bytes)
21h
Y
Y
Head of queue tag
22h
Y
Y
Ordered queue tag
20h
Y
Y
Simple queue tag
10h
Y
N
Release recovery
03h
Y
Y
Restore pointers
02h
Y
Y
Save data pointer
[1]
Y
Y
Synchronous data transfer req.
13h
Y
Y
Target transfer disable
11h
N
N
Terminate I/O process
[1]
N
N
Wide data transfer request
Notes.
[1] Extended messages (see P/N 77738479 SCSI Interface Product Manual).
[2] Customer Unique.
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