Operating System: Windows 98 (Note: might work with other versions of this os.)
Before downloading: Run Free Scan for Instant Driver Updates
Yamaha ymf740c-v Driver. This driver WORKS. Downloaded directly from Yamaha's site. www.yamaha.com/lsi/support/downloads.htm. You can go here for the WinNT and XP drivers as well.
I used this driver on an onboard YMF740c Sound chip.