ok, i am finding information about this problem, and i found this: http://www.ebay.com/itm/Fujitsu-STY...sword-HASH-CODE-6x4-NEW-SERVICE-/351815624562 does exist some generator for hash 6x4 and is generating master password? Because my E733 has 6x4 hash.
i think same https://vinafix.com/threads/fujitsu-lifebook-e733-cp621880-z1.30774/#post-103835 try and check result.