In order to interpret the beep pattern you are receiving we need to know exactly what version of BIOS your computer has. Probably the easiest way to do this is to download and install the Belarc Advisor by clicking
HERE. Run it, and it will produce a report. Look for the version of BIOS on your computer. I just ran it on mine and it looks like this:
In my case my BIOS manufacturer and version is:
Pheonix/Award Technologies, LTD 6.0 PG 3/08/2004If you can get us this info, then we can help interpret the beeps.