New build freezes randomly, help!

Joined
Jul 11, 2005
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61
just built a new computer it's a socket 939 and consists of:

ASUS A8N5X
AMD Athlon 64 3200+
Some old Corsair XMS 333Mhz RAM, got a 256MB stick and a 512MB stick
Thermaltake 480 PSU
Sapphire Radeon x1300 512MB
Maxtor 160GB HDD

The problem is I got it all together installed windows and it randomly freezes. It froze about 10 seperate times after the build while I was in Windows. So I figured it might be the RAM so I replaced it with my Mushkin PC4000 RAM, but it still freezes. I even ran Memtest86+ on the Corsair for 2 and a half hours and it passed. So I figure maybe it is the HDD. I put in one of my spare HDD, formated it and reinstalled Windows. It still freezes. I try my OCZ 520 watt PSU and it still freezes.

I can't test the CPU or the motherboard becuase I don't have a spare board ATM. Could a motherboard or a CPU problem be at fault? I could get a PCI-E card from my friend to test it real quick if it's possible that could be it.

Another thing I noticed is that it only freezes in Windows when it seems the CPU is being utlized to open something. I put my driver disk in to install the motherboard drivers and it freezes. I can run memtest86+ for hours and it won't freeze. I have installed Windows and reformatted the HDD 3 times now. Still same problem.

Anyone got any ideas? I'm about to pull my hair out here! I hope I don't have to RMA something and wait, but it doesn't look good at this point. Is there anything like Memtest86+ that tests the CPU without loading Windows? Like Prime95 only it can be burned to CD and booted before Windows loads?
 
I'm having the same problems as you. I also notice that it crashes in Windows when I start something or I alt+tab to something. I can get it to lock up like 90% of the time when playing Battlefield 2. I set the affinity to just run CPU 0 and I still have crashing issues, but if I set the affinity to just run CPU 1 its seems to be a lot more stable.

I called ASUS tech support and they were clueless and told me I should just RMA the board.
 
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