Quoted from Envy-Me:Sound is a constant garbled mess that starts immediatly when the game is turned on.
This is usually a bad connection between the MPU board and the SB100 over the ribbon cable. Can be:
- bad ribbon cable
- cracked solder joints on the SB100 32-pin pin header
- tarnished pin headers on either the MPU board or SB100 where the ribbon cable connects