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Barracuda 2LP Product Manual, Rev. D
11.3
SCSI interface commands supported
Table 2 lists the SCSI interface commands supported in SCSI-1 and SCSI-2
modes. Barracuda 2LP family drives can be changed back and forth
between SCSI-1 and SCSI-2 modes, using the Change Definition com-
mand. Standard OEM drives are shipped set to operate in SCSI-2 mode.
Table 2. Supported commands
Supported by
Command
ASA I
ASA I
ASA II
Command name
code
SCSI-1
SCSI-2 SCSI-2
Change Definition
40h
Y
Y
Y
Compare
39h
N
N
N
Copy
18h
N
N
N
Copy and Verify
3Ah
N
N
N
Format Unit [1]
04h
Y
Y
Y
Inquiry
12h
Y
Y
Y
Date Code Page
N
Y
Y
Firmware Numbers Page
N
Y
Y
Implemented Operating Def. Page
N
Y
Y
Jumper Settings Page
N
Y
Y
Unit Serial Number Page
N
Y
Y
Vital Product Data Page
N
Y
Y
Lock-Unlock Cache
36h
N
N
N
Log Select
4Ch
N
N
N
Log Sense
4Dh
N
N
N
Mode Select
15h
Y
Y
Y
Same pages as Mode Sense command
Mode Select (10)
55h
N
Y
Y
Mode Sense
1Ah
Y
Y
Y
Caching Parameters Page (08h)
N
Y
Y
Control Mode Page (0Ah)
N
Y
Y
Disconnect/Reconnect Control Page (02h)
Y
Y
Y
Error Recovery Page (01h)
Y
Y
Y
Format Page (03h)
Y
Y
Y
Notch and Partition Page (0C) (media zones)
N
Y
Y
Power Condition Page (0D)
N
N
Y
Rigid Disc Drive Geometry Page (04h)
Y
Y
Y
Unit Attention Page (00h)
Y
Y
Y
Verify Error Recovery Page (07h)
N
Y
Y
Mode Sense (10)
5Ah
N
Y
Y
Not used
42–4Bh
N
N
N
Not used
4E–54
N
N
N
Not used
58–59
N
N
N
Not used
5B–5F
N
N
N
Not used
60–BFh
N
N
N
Not used
C0–DFh
N
N
N
Not used
E0–FFh
N
N
N
Prefetch
34h
N
N
N
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