Olivetti MoBo... unknown...

[Retrocomputer]

Hi, it's my first time here, my name is Davide and I'm italian, so please forgive me for my bad english .
I've got a problem with my old olivetti m480-30.
What's its mobo??
The machine is equipped with an intel i846 dx@25 mHz .
I need help with mobo identification and BIOS SEttings..
If youu need more infos, ask me.
P.S: Olivetti is making me crazy!

[Retrocomputer]

Please, up! Nobody can help me???

[edwin]

Most likely a BA865. But you are already being helped out at extremehardware.it and motherboards.org too... (Still).