New nightly won't boot on Gigabyte GA-H61N-USB3 motherboard

I just got a new, used motherboard and it won't boot. It displays the boot icons and stops there. I tried to boot from CD and from a pre-built disk and there is no difference. I enabled safe boot with no difference. When I enable debug logging it does this:

...
add_memory_type_range from 105 to 115 then
PCI: PCI controller found
PCI: FixupDevices: checking bus 1, 2, 3
PCI: Dom 0, bus 0, dev 28, func 0 changed PCI bridge control from 0x0000 to 0x0003

Does this 3 times then stops

Any ideas? Only USB devices are mouse and kb. 8 GB RAM, quad core CPU.