You can use F3RomExplorer to analyse the ROM:
http://www.hddoracle.com/download/file.php?id=8721The SFW segment in the active container (BFWContainer1) had a bad CRC. This turned out to be an error in a single bit. There was a good copy of the SFW segment in the inactive container, BFWContainer0. I compared the two copies and used the good copy to repair the bad.
Good copy of SFW
Code:
Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00038C40 5B FC 94 DD 2B E2 8F 1E 3D 08 02 E1 A1 29 04 21
00038C50 00 E4 10 10 0D C0 AD 00 22 02 64 08 60 24 C0 1B
^^
00038C60 00 21 02 94 FB 0F 03 B0 F9 8F 08 8E 7F F0 FE BD
Bad copy of SFW
Code:
Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00078C40 5B FC 94 DD 2B E2 8F 1E 3D 08 02 E1 A1 29 04 21
00078C50 00 E4 10 10 0D C0 AD 01 22 02 64 08 60 24 C0 1B
^^
00078C60 00 21 02 94 FB 0F 03 B0 F9 8F 08 8E 7F F0 FE BD