Not tested. This driver is supposed to upgrade the modem to V90 standard.
The first driver worked fine for me.
If the first driver does not work with your modem try this one.
There were two type of 3250 modem...
|Cardinal Technologies 28.8 Kbps, V.34-VFC Data Fax Modem external (Windows 2000 Workstation) [Parallel Port]||Aug 2, 2006|