Product manual
Barracuda 18LP FC Product Manual, Rev. B 43
3Bh Y Write buffer
Y Write combined header and data mode (0)
Y Write data mode (2)
N Download microcode mode (4)
Y Download microcode and save modes (5)
N Download microcode with offsets mode (6)
Y Download microcode with offsets and save mode (7)
Y Firmware download option [2]
3Ch Y Read buffer
Y Read combined header and data mode (0)
Y Read data mode (2)
Y Read descriptor mode (3)
3Eh Y Read long
3Fh Y Write long
40h Y Change definition
41h Y Write same
N PBdata
NLBdata
42-4Bh N Not used
4Ch Y Log Select
N DU bit
YDS bit
YTSD bit
NETC bit
NTMC bit
NLP bit
4Dh Y Log Sense
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 S.M.A.R.T. status log page (2Fh)
Y S.M.A.R.T. attribute log page (30h)
Y Verify error counter page (05h)
Y Write error counter page (02h)
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]
Y Capacity programming
56h Y Reserved (10)
Table 14: Supported commands
(continued)
Command code Supported Command name










