EVGA 750i SLI possibly running hot???

Okay. I mentioned this in my thread over in homebuilt PC's, but realized it should really go here. I just finished building my PC today. Everything is working. I downloaded a program called "speedfan" and ran it to see what my various components' temperatures were. All were around 30C, except what the program calls "system" (it lists stuff like GPU and CPU, but "system" is pretty ambiguous). "System" is 90C!!! Isn't that really hot for a PC??? Is it possible it's an error or does this Mobo just run that hot? Anyone got a suggestion for another program to use to monitor the system temperatures?