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Cheetah 4LP Product Manual, Rev. B
9.0
Interface requirements
This section describes Cheetah 4LP 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 Seagate SCSI Interface Product Manual ,
P/N 77738479. This section has tables that give the Cheetah 4LP family drive's version of the SCSI implemen-
tation 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 Cheetah 4LP family drives.
Table 6.
SCSI messages supported by Cheetah 4LP family drives
Message Name
Abort
Abort-tag
Bus device reset
Clear queue
Command complete
Continue I/O process
Disconnect
Extended messages
Identify
Ignore wide residue (two bytes)
Initiate recovery
Initiator detected error
Linked command complete
Linked command complete with flag
Message parity error
Message reject
Modify data pointer
No operation
Queue tag messages (two bytes)
Head of queue tag
Ordered queue tag
Simple queue tag
Release recovery
Restore pointers
Save data pointer
Synchronous data transfer req.
Target transfer disable
Terminate I/O process
Wide data transfer request
Notes.
[1]
Extended messages (see the SCSI Interface Product Manual, P/N 77738479).
Supported by
Message Code
SCSI-2/3
06h
Y
0Dh
Y
0Ch
Y
0Eh
Y
00h
Y
12h
Y
04h
Y
01h[1]
Y
80h-FFh
Y
23h
Y
0Fh
N
05h
Y
0Ah
Y
0Bh
Y
09h
Y
07h
Y
[1]
N
08h
Y
21h
Y
22h
Y
20h
Y
10h
N
03h
Y
02h
Y
[1]
Y
13h
Y
11h
N
[1] [2]
Y
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