Product manual

36 Barracuda 9FC Product Manual, Rev. C
[1] Barracuda 9FC drives can format to any multiple of four bytes per logical block in the range 180 to 736
and any multiple of 32 bytes per logical block in the range 768 to 4,096.
[2] Warning. Power loss during flash programming can result in firmware corruption. This usually makes the
drive inoperable.
[3] The 6-byte Reserve and Release commands are not supported because they do not support the third-
party address space required for Fibre Channel.
[4] Reference Mode Sense command 1Ah for mode pages supported.
9.3.1 Inquiry data
Table 11 lists the Inquiry command data that the drive should return to the initiator per the format given in the
Fibre Channel Interface Manual .
39h N Compare
3Ah N Copy and verify
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 N Change definition
41h N Write same
42-4Bh N Not used
4Ch Y Log Select
4Dh Y Log Sense
4E-54h N Not used
55h Y Mode Select (10) [4]
56h Y Reserved (10)
Y 3rd party reserve
N Extend reservation
57h Y Released (10)
58-59h N Not used
5Ah Y Mode Sense (10) [4]
5B-5Fh N Not used
60-BFh N Not used
C0-DFh N Not used
EO-FFh N Not used
Table 10: Supported commands
(continued)
Command code Supported Command name