My S2460(tiger MP) has always done this beep when booting. Its one logn beep followed by 3 short beeps. I tried removing everything except the video card, processors and RAM and it still did it. Then ...

I fixed the problem. I noticed that the PC Health status thing quit polling and saw my CPU temp shoot up to 59 celcius. I rechecked my heatsink and saw I had installed it backwards with the notch on ...