well I need it know,

It gave me the 4 beeps, (not bongs) but beeps, I looked at apples site and it says its somthing to do with a rom, Umm I thought there was no game system in the computer, (Just kidding) so i am going to reset the pmsu and see if that helps, if anyone has a quick try to fix it I'm open I also have 2 Imac boards (400MH) I hope they will fit if worse comes to worse