(first, excuse me for my not so good english)

The bsod's and error reports I've gotten so far:
http://i37.tinypic.com/oa5clk.jpg
http://i34.tinypic.com/2j3po41.jpg
http://i36.tinypic.com/2sb3h53.jpg
http://i37.tinypic.com/2cdhod3.png
A minidump: http://www.speedyshare.com/364747561.html
Temps and IRQs: http://i37.tinypic.com/35jjudu.png

AMD Athlon 64 X2 Dual Core Processor 4400+
2,31 GHz, 3GB of RAM
250GB HDD
NVIDIA GeForce 8500 GT (512 MB)
400W PSU

Brand new computer, built from pieces. OS = XP SP2
All drivers are updated and all pieces are where they belong to.
I've tried formating, does'nt help. I've tried each memory module separately, still bsod. I've tested all the memory modules with MemTest, 5 times each, no errors. Condensators haven't expand, neither have they anything come out of them. I have tried a brand new PSU, didn't help. Also have tried a brand new graphics card, didn't help either. Temperatures are fine and the blue screens appear randomly, haven't noticed any particular time sequence. I use Nod32 as an anti-virus. CPU/Memory aren't clocked. Can't be anything wrong with software, because bsod's also appear with Safe Mode. Two components on the same IRQ(22) isn't the problem either, because I tried disabling the USB Controller, didn't help against the bsod. I don't think it's the harddrive, cause I have tried another one, which works fine on the other machine, didn't help.

So, does anybody have any idea what might be wrong with my computer?
From the feedbacks on the other forums, I have 2 possible problems left, but maybe somebody here can think of any other possible problems?

1. The motherboard is damaged.
2. Even tho the pieces should theoretically match perfectly, they somehow don't.

Hello and welcome to our forums.

Youhave to troubleshoot your PC to find what is causing this problem.

I suggest you to follow this guide:
http://www.hardwaresecrets.com/article/547

It talks about the PC not turning on, but it will help you. Just leave your PC with the basic parts it needs to turn on (see on the tutorial) to see what happens. Also, follow the part where I say how to discover which part is defective (in your case, causing the BSoD).

Cheers,
Gabriel.