the manual is available at http://www.abit.com.tw/page/en/download/download_manual_detail.php?pFILE_TYPE=Manual&pMAIN_TYPE=Motherboard&pTITLE_ON_SCREEN=IC7-MAX3&pSOCKET_TYPE=Socket%20478
I didn't find a IC7 only IC7-MAX3
- about the beep sequense you got 2 long tones are you sure about that?
I didn't find a solution to 2 long tones / beeps - not even on the user manual.
you can look here
http://www.computerhope.com/beep.htm