My fan and heatsink are supposed to take 2ghz, I'm gonna order a brand new one though, since the other half-built computer needs one anyway, which is 7000 rmp volcano ..
Thermaltake VOLCANO 6Cu+. Heatsink + Dual Ball-Bearing Fan, FAN Speed: 7000±10% RPM. Max. Air Flow: 38CFM. Pure Copper base Retail
Specifications:
Supported Socket type: Socket 370 and Socket A
Dimensions: 80x60x65 mm. Mfr's P/N: A1138/A1175. Model#: VOLCANO 6Cu+
It's only 12 bucks counting shipping...mine says it runs at 5500 according to easytune...I wish I could remember the exact kind I have...I'll go take a look around in my closet for the box, sometimes I save them.