Operating System: Windows 95 & Windows 98 (Note: might work with other versions of this os.)
Before downloading: Run Free Scan for Instant Driver Updates
Yamaha O)PL#-SAx Driver. This is the driver needed by many Yamaha sound cards to work with DirectX. It may not work on all of them, but it did on my OPL3-SAx WDM sound card. It is a zip file and must be unzipped then executed.