frostbite, can you tell me more about the "beeps"?
Is it 1 beep, pause, then a burst of 3 beeps, pause, 1 beep (for example)?
(Try reseating the ram modules, and ALWAYS put a single module in the ram slot closest to the processor if you are going to try with one ram module at a time)
PS. Is there 4 lights on the back of the machine? When you turn on the power, they will be able to tell us something)