I've bought 451S with FW GSB6 and at first I've upgraded it to latest FW - GSB7.
Then I've decided to try it @851. I've used hacked Win binary. Everything worked but then my drive started to give my problems - write errors etc. So I decided to get back to 451S.
I've uset ltnflash with my backed up FW GSB6. But this tool jus hung my whole PC (it went to 100% but never stopped to work). I've rebooted with my heart working really hard.
Fortunately my drive was still @851
So I thoughtt "if hacking tool removes check from Win binary it can do it with normal 451S FW". So I decided to do it this way. And it works like a charm - great tool.
But anyway this drive still has write errors with all medias - even with TDK +RW x4 (philips 401) and Memorex -R x4, which have good opinions on all drives. I don't know what to do with it......