STB TV/FM Video card drivers

Hope someone can help... I have a Dell Dimension T-550 with an STB TV/FM card in it. Op system is Win 98.

Somehow, the application files must have gotten fragged, and I find no disk in my "stash" (original equipment manuals and disks) to reinstall. I have asked Dell for assistance, and they apparently don't support the STB card anymore, and have ignored repeated requests for assistance (so much for 3-year support).

Does anyone have the files to reinstall?