Product manual

Table Of Contents
Barracuda 18FC Product Manual, Rev. B 41
[1] Barracuda 18FC drives can format to any multiple of four bytes per logical block in the range 512 to 4,096
bytes.
[2] Warning. Power loss during flash programming can result in firmware corruption. This usually makes the
drive inoperable.
[3] Reference Mode Sense command 1Ah for mode pages supported.
Y Read descriptor mode (3)
3Eh Y Read long
3Fh Y Write long
40h N Change definition
41h Y Write same
N PBdata
NLBdata
42-4Bh N Not used
4Ch Y Log Select
4Dh Y Log Sense
4E-4Fh N Not used
50h N XD write
51h N XP write
52h N XD read
53-54h N Not used
55h Y Mode Select (10) [3]
56h Y Reserved (10)
Y 3rd party reserve
N Extent reservation
57h Y Released (10)
58-59h N Not used
5Ah Y Mode Sense (10) [3]
5B-5Dh N Not used
5Eh Y Persistent Reserve In
5Fh Y Persistent Reserve Out
60-7Fh N Not used
80h N XD write extended
81h N Rebuild
82h Y Regenerate
83-8Fh N Not used
C0-DFh N Not used
EO-FFh N Not used
Table 13: Supported commands
(continued)
Command code
Supported
(continued)
Command name