Electronics > Beginners
Oh I messed up real bad, anyone good with PC motherboards?
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rthorntn:
Hello you very helpful bunch.

I purchased a NOS motherboard I needed for a specific project (vintage SCSI), the heatsinks wouldn't fit so I got some adapters, they seemed to work, the board powered on OK but froze at the BIOS, I tried a few more times and then I couldn't even get to the BIOS.

I gave up and took the heatsinks off and I noticed the thermal paste hadn't been smudged, so the heatsinks weren't touching the top of the CPUs, nightmare, so I ordered some copper shims and tried a fresh CPU, nothing.

So my guess is something has failed on the motherboards CPU (power) section, the CPU isn't even getting warm.

It's a SuperMicro X7DB8+, is it for the bin, thoughts?

Thanks.

Richard
ChunkyPastaSauce:
 checked the psu? also since it's dual socket, try individual cpu in each socket
rthorntn:
Thanks ChunkyPastaSauce.

I just tried a processor in the CPU2 socket, it booted to BIOS a few times but now nothing.

When I was in the BIOS I could see the CPU temp was normal, I have a new 750W Corsair PSU so that shouldn't be the problem.

I haven't been able to get the BIOS in the last 10 power cycles, it seems to have given up.
rdl:
Computers can act weird if there's memory problems. Did you try removing and reinserting the memory? If there's more than one module, try booting with just one at a time. If you have any that's known good, try using that.
rthorntn:
Tried 4 different RAM sticks one at a time.
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