You didn't hook up the PC Speaker, that's the only reason I could think of...it's usually in the wires with the front panel...4pin connector right where the PW Switch, Reset SW, HD LED's and all that sort of thing are connected.
whew, $85 an hour? Need to make myself a local techie then
lol....well the constant beeping was telling you what was wrong. You really gotta check your manufacturers website or your manual to find out that kind of information.