Just thought I'd share this with you: if you have installed an extra fan (or two (or three)), and have set up the BIOS to tell you if the fan(s) fail, don't forget to switch this OFF if you install a fan controller.
One long beep is not ONLY the death of a key component, but also a fan fail alarm...
I spent 20 minutes this morning whimpering, as I thought I had given the static shock of death to the mobo while installing my Scythe fan controller...