tried with the PSU from my server, identical boot failure... so motherboard and/or cpu are toast
@f0x bad seated ram?
@stapper messed up ram it seems, from memtesting in various configurations
@f0x memtesting can mess up ram?! Damn
@stapper ah no, it was memtesting that showed the ram was messed up, with loooots of errors
ohh with 1 ram stick it does go to bios!