42
Barracuda 4LP Product Manual, Rev. D
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 4LP 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 4LP family drive
Command Name
Command
Code
Supported by
SCSI-2/3
Change definition
40h
Y
Compare
39h
N
Copy
18h
N
Copy and verify
3Ah
N
Format unit [1]
04h
Y
Block Format
N
Bytes from index
Y
Physical sector format
Y
DPRY bit supported
N
DCRT bit supported
Y
STPF bit supported
Y
IP bit supported
Y
DSP bit supported
Y
IMMED bit supported
Y
VS (vendor specific)
N
Inquiry
12h
Y
Date code page (C1h)
Y
Device Behavior page (C3h)
Y
Firmware numbers page (C0h)
Y
Implemented operating def page (81h)
Y
Jumper settings page (C2h)
Y
Supported Vital product data page (00h)
Y
Unit serial number page (80h)
Y
Lock-unlock cache
36h
N
Log select
4Ch
Y
DU bit
N
DS bit
Y
TSD bit
Y
ETC bit
N
TMC bit
N
LP bit
N
Log sense
4Dh
Y
Cache statistics page (37h)
Y
Non-medium error page (06h)
Y
Pages supported list (00h)
Y
Power-on time page (3Eh)
Y
Read error counter page (03h)
Y
Verify error counter page (05h)
Y
Write error counter page (02h)
Y
Mode select (same pages as Mode Sense command)
15h
Y [2]
Mode select (10)
55h
Y
Capacity Programming
Y
