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42
9.3
SCSI interface commands supported
Table 6 following lists the SCSI interface commands that are supported in the SCSI-2, and SCSI-3 modes of
the drive. Barracuda 50 Family drives can be changed back and forth between SCSI-1 and SCSI-2/SCSI-3
modes using the Change Definition Command. OEM standard drives are shipped set to operate in SCSI-2/
SCSI-3 mode.
Table 6:
Commands supported by Barracuda 50 family drives
Command name
Change definition
Compare
Copy
Copy and verify
Format unit [1]
Block Format
Bytes from index
Physical sector format
DPRY bit supported
DCRT bit supported
STPF bit supported
IP bit supported
DSP bit supported
IMMED bit supported
VS (vendor specific)
Inquiry (see Table 7 for Inquiry data)
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
DU bit
DS bit
TSD bit
ETC bit
TMC bit
LP bit
Log sense
Cache statistics page (37h)
Non-medium error page (06h)
Pages supported list (00h)
Power-on time page (3Eh)
Read error counter page (03h)
S.M.A.R.T. status log page (2Fh)
S.M.A.R.T. attitude log page (02h)
Verify error counter page (05h)
Write error counter page (02h)
Mode select (same pages as Mode Sense command)
Barracuda 50 Product Manual, Rev. C
Command
Supported by
code
Barracuda 50
40h
Y
39h
N
18h
N
3Ah
N
04h
Y
N
Y
Y
Y
Y
Y
Y
Y
Y
N
12h
Y
Y
Y
Y
Y
Y
Y
Y
36h
N
4Ch
Y
N
Y
Y
N
N
N
4Dh
Y
Y
N
Y
Y
Y
Y
Y
Y
Y
15h
Y [2]
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