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Table 16:
SCSI messages supported by Cheetah 15K.4 SCSI family drives
Message name
Quick Arbitration and Selection (QAS)
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).
[2]
Supports all options except qas_req and iu_req.
9.3
SCSI interface commands supported
Table 17 following lists the SCSI interface commands that are supported by the drive.
OEM standard drives are shipped set to operate in Ultra320 mode.
Table 17:
Commands supported by Cheetah 15K.4 SCSI family drive
Command name
Change Definition
Compare
Copy
Copy and Verify
Format Unit [1]
DPRY bit supported
DCRT bit supported
STPF bit supported
IP bit supported
DSP bit supported
IMMED bit supported
VS (vendor specific)
Inquiry
Date Code page (C1h)
Device Behavior page (C3h)
Firmware Numbers page (C0h)
Implemented Operating Def page (81h)
Jumper Settings page (C2h)
Supported Vital Product Data page (00h)
Unit Serial Number page (80h)
Lock-unlock cache
Log Select
54
Supported by
Message code
Cheetah 15K.3
55h
Y
10h
N
03h
Y
02h
Y
[1]
Y
13h
N
11h
N
[1]
Y
Command code
40h
39h
18h
3Ah
04h
12h
36h
4Ch
Cheetah 15K.4 SCSI Product Manual, Rev. D
Supported by SCSI-2/3
N
N
N
N
Y
N
Y
Y
Y
Y
Y
N
Y
Y
Y
Y
Y
Y
Y
Y
N
Y
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