a7n8x temps again

I need opinions. SYS is: above mb std ver 1002a bios, 512 pc2100 crucial,[email protected], small gemini waterblock,ehiem 1046 pump. At idle mbm5 shows the w83l785ts-s at 40C;asus snsor 2@28C. Running sandra in b,ground@40% proc. use with IL2(flightsim) running as well my temps dont change any.also, if I exit out and reboot into bios 9C! Is this a ;1. board prob. 2. config error on my part 3. a cpu reporting error. After living thru a fast but unstable 8kha+ im paranoid. Any thghts cheers