Originally posted here by nihil
Try this:

http://www.soltek.de/soltek/product/index.php?catid=5

I think that it is an SL-75FRN2 or 3

If you get the Everest Home Edition tool that Undies suggested, it should tell you
Been monitoring the temperature CPU diode 53c and CPU socket 45c. Looks pretty ok. I will continue monitoring it. Soltek do have their own temp monitor s/w as well.