It's a 64. I've checked it like 5 times. The only thing I can see close to why it's so hot is because the thermal grease is old and more than half of it is wiped off from the time I had to return my crappy mobo.
Case: Thermaltech Tsunami
CPU: AMD Athlon 64 Processor 2800+
Mobo: DFI LanParty UT nf3 250gb
Memory: 1 gb G.Skill PC3200
HD: 74gb WD Raptor/120gb WD Caviar/500gb WD Caviar
GPU: NVIDIA GeForce 6800 GS/XT