Yes...

I already tried:

Removing power cables
CMOS clearing
Battery removing
1 stick of cheap 1.8V 667 RAM (tried every slot)
Left only 1 ps2 keybord plugged on the mobo. Not even HDD's are connected.

Now i am doing a long CMOS clear... I'll wait 10h without the battery.

Any other sugestions?

[]'s
Simps