I was having trouble with my Yamaha sound card, (like so many others!) and this driver has worked out just fine.
I have been using it for two weeks now, and I have not had any problems!
The following files are found inside the driver download file.
|SAIDE.INF||905 bytes||1 Nov 1996|
|OPL3SA.HLP||13.6 KB||5 Feb 1997|
|SARESERV.INF||485 bytes||1 Nov 1996|
|SAUNINST.EXE||62.0 KB||16 Apr 1997|
|OPL3SA.DR_||80.3 KB||25 Apr 1997|
|OPL3SACX.DLL||11.3 KB||7 Mar 1997|
|VSGM.VX_||1.0 MB||5 Apr 1997|
|SASOUND.INF||8.5 KB||30 Apr 1997|
|SACOM.INF||2.4 KB||1 Nov 1996|
|VOPL3SA.VX_||40.8 KB||25 Apr 1997|
|VYMIXD.VX_||6.7 KB||20 Jan 1997|