40-50c
i asssume are idle sound a little warm mine are 33~35C 38~40C load. Pc probe & everest agree (strange but true). The reason for higher +3~5C has been posted msgclb
post#764 motherboard temperature FAQ for the P5K Deluxe / P5K-E / P5K3 Deluxe

What bios are you using, i'm on 0311

luck