You have an ultra-d, why not use the smarguardian that comes in the mobo cd?
EDIT: In MBM5, the CPU temp is always sensor 1. Since you got a DFI, it is an ITE Super I/O, change sensor 1 to read the diode 1 and see what happens. You can also download the plug-in for sli motherboard, as it is already configured for Ultra D, DR, DR-Expert, and I have successfully implemented it on an nF3 mobo too.
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