Athlon 64 run both 64 bit and 32 bit, so it doesnt matter if not a lot of software is 64 bit. AMD increases its lead with every generation, intel continues to lag behind. AMD has nearly 40% market share now. But yeah, whatever works for you. No my board doesnt have PCI express, i didnt get it cause i didnt want to buy a new video card. my system works now, as i found that i can use a 24 pin connector and just dangle the last 4 pins.
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