MS-9802 Mainboard
6-16
Troubleshooting POST BIOS Beep Codes 
Number of Beeps  Troubleshooting Action 
1, 2 or 3  Reseat the memory, or replace with known good modules. 
4-7, 9-11  Fatal error indicating a serious problem with the system. Consult your system 
manufacturer. Before declaring the motherboard beyond all hope, eliminate the 
possibility of interference by a malfunctioning add-in card. Remove all expansion 
cards except the video adapter. 
‧ If beep codes are generated when all other expansion cards are absent, consult 
your system manufacturer’s technical support. 
‧ If beep codes are not generated when all other expansion cards are absent, one 
of the add-in cards is causing the malfunction. Insert the cards back into the 
system one at a time until the problem happens again. This will reveal the 
malfunctioning card. 
8 
 
If the system video adapter is an add-in card, replace or reseat the video adapter. 
If the video adapter is an integrated part of the system board, the board may be 
faulty.