Got it from ftp.diamondmm.com/pub/archive/s3/desktop/617/, which is NOT where their links point to. Win95/DIS drivers are there too.
The following files are found inside the driver download file.
|LOGO.BMP||14.4 KB||11 Dec 1997|
|S3AUDIO.REG||1.6 KB||3 Jul 1997|
|S3AUDIO.CPL||10.2 KB||17 Dec 1997|
|S3KNLDRV.SYS||68.7 KB||17 Dec 1997|
|FILE.LST||140 bytes||17 Jul 1997|
|S3USRJS.DLL||25.1 KB||17 Dec 1997|
|S3KNLJS.SYS||17.3 KB||17 Dec 1997|
|S3FMDRV.DLL||54.3 KB||17 Dec 1997|
|SETUP.EXE||249.9 KB||17 Dec 1997|
|VERSION.TXT||80 bytes||17 Dec 1997|
|S3GM1.BIN||1.0 MB||30 Jun 1997|
|S3USRDRV.DLL||37.9 KB||17 Dec 1997|
|OEMSETUP.INF||516 bytes||17 Dec 1997|
|S3GM2.BIN||2.1 MB||14 Dec 1997|