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44
Table 6:
Commands supported by Barracuda 50 family drives (Continued)
Command name
Search data low
Seek
Seek extended
Send diagnostics
Supported diagnostics pages (00h)
Translate page (40h)
Set limits
Start unit/stop unit (spindle ceases rotating) (1Ch)
Synchronize cache
Test unit ready
Verify
DPO bit supported
BYTCHK bit supported
Write
Write and verify
DPO bit supported
BYTCHK bit supported
Write buffer (modes 0, 2, supported)
Firmware download option (modes 5, 7 supported) [3]
Write extended
DPO bit supported
FUA bit support
Write long
Write same
XDRead
XDWrite
XDWrite extended
XPWrite
[1]
The drive can format to any even number of bytes from 512 to 2,048.
[2]
Table 9 shows 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.
Barracuda 50 Product Manual, Rev. C
Command
Supported by
code
Barracuda 50
32h
N
0Bh
Y
2Bh
Y
1Dh
Y
Y
Y
33h
N
1Bh
Y
35h
Y
00h
Y
2Fh
Y
Y
Y
0Ah
Y
2Eh
Y
Y
Y
3Bh
Y
Y
2Ah
Y
Y
Y
3Fh
Y
41h
Y
52h
N
50h
N
80h
N
51h
N
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