problem bl25p init

[diaug]

Problem during initializing on a blade 25 p :

the post sequence stop after the 2nd processor test and after nothing append it stop, we have change processors, memory, mother board ...
when i put on sw 6 for clear configuration it's working well the config seems ok i can verify the bios and the 6i controller, but when i return to normal position it is th same stop after processor init, i try with only one processor but stop at the first processor, what can 1 do ?