44
Barracuda 4LP Product Manual, Rev. D
[1]
The drive can format to any even number of bytes per sector from 180 to 4,096
[2]
Tables 8a and 8b show how individual bits are set and which are changeable by the host.
[3]
WARNING: A power loss during flash programming can result in firmware corruption. This usually makes
the drive inoperable.
Seek extended
2Bh
Y
Send diagnostics
1Dh
Y
Supported diagnostics pages (00h)
Y
Translate page (40h)
Y
Set limits
33h
N
Start unit/stop unit (spindle ceases rotating) (1CH)
1Bh
Y
Synchronize cache
35h
Y
Test unit ready
00h
Y
Verify
2Fh
Y
DPO bit supported
Y
BYTCHK bit supported
Y
Write
0Ah
Y
Write and verify
2Eh
Y
DPO bit supported
Y
BYTCHK bit supported
Y
Write buffer (modes 0, 2, supported)
3Bh
Y
Firmware download option (modes 5, 7 supported) [3]
Y
Write extended
2Ah
Y
DPO bit supported
Y
FUA bit support
Y
Write long
3Fh
Y
Write same
41h
Y
XDRead
52h
N
XDWrite
50h
N
XDWrite extended
80h
N
XPWrite
51h
N
Table 6:
Commands supported by Barracuda 4LP family drive (Continued)
Command Name
Command
Code
Supported by
SCSI-2/3
