Here's the comp's setup: AMD Athlon 64-Bit 3200+ on a Gigabyte K8NS-PRO mobo. Comp is homemade. CPU came with heatsink and fan. 2 80mm fans on the front of the case, at the bottom, are sucking air in, 1 80mm fan on the side also sucking in, 2 80mm ones on the back blowing out, and a PCI exhaust between the vid card and about half of the heatsink. Running 2 hdds, 2 disc drives, 1 floppy. modem and soundcard. 450 watt psu made by powmax.
Usually the proc temp is in between 48 and 51, sometimes it'll peak up to 54. This is when idle, I don't have a program or device to see the temp when playing a game. From what I've read this sounds about normal, but I just wanna be sure. I read some other threads, but I didn't see any dealing with a 64-bit processor. I thought there might be a difference... I'm thinking of moving the pci exhaust under the vid card, maybe it's producing a lot of heat (radeon 9600xt) I don't know. The proc isn't overclocked, it runs at 2.01 ghz. If this all sounds right, then good, but if anyone thinks I should change something, are redo the thermal paste, then please let me know. Thank you in advance.
*edit*
One more thing. About 2 years ago, a tech support guy told me that turning a comp off like everynight, wasn't good for it. Something about the psu and mobo and a surge or something. Was that true, or has it been fixed?
I'm running the Same cpu on a ASUS A8V-E SE motherboard, with the heatsinc and fan that came with the chip. My temps run (MAX durring gaming) at most 110F or 43.3C. I've never seen the temps jump above that. Idle, the temps are around 103F or 39.4C. My case has 2 fans, one in the top of the case and one in the back. one vent in the side with a duct to the area of the cpu. My powersupply has 2 fans in it, one is an intake from the inside of the case, and and exhaust. My case is an Aspire X-Plorer - http://aspireusa.net/product.php?pid=152&xcSID=01d0cc3f31c0e15a52dcaea6fefa0c55
That's my setup.. My temps are alot cooler than yours. Though, like you said, your system is stable, so it is probable nothing to worry too much about.