I recently I got the chance to buy an Asus A8N-SLI Premium and a Geforce 7800gt (PNY with aftermarket silent cooling) from a friend.
I bought a Coolermaster Elite 330 with a eXtreme Power 460W PSU, an Athlon Socket 939 3500+ CPU and 512mb of DDR ram (Corsair VS512MB400/EU).
I can just get it to boot.
If I have everything just so I have a 1 in 2 to 1 in 5 chance of it posting (ie bios beep). When it does run it will restart it self randomly. I often wont post at all if a CD is in the drive.
I was wondering is it possible the PSU is just not powerful enough for this setup plus a couple of IDE PATA Harddisks and a DVDRW. I have the same problems without them plugged in. When I wipe the bios, it seems to work first time after that, so I checked the memory timings and that seemed to work.
I'm sorry to ask all this, it is supposed to by my sisters new machine to replace an Athlon 850mhz I built back in 2000-2001.
I found all this a bit odd, as my Core 2 duo + 7950GT + 946g mobo runs perfectly fine on a 380watt Seasonic. Is it that the older 7800gt and 3500+ are more thirsty? It is an SLI board so it could just be that 460w ain't enough?
Any help would be greatly appreciated.


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