This works on win98se for usr56k voice PCi internal (from the dell site)configures as com3 (ensure you first delete com3 before starting)
dated 28.1.2000. You've tried the rest now try the one that works..
a self extracting file & readme.
The following files are found inside the driver download file.
|DE6362D1.EXE||532.9 KB||3 Jun 1999|
|MAKEDISK.BAT||763 bytes||3 Jun 1999|
|MAKEDISK.PIF||967 bytes||14 Nov 1997|