Operating System: Windows 95 (Note: might work with other versions of this os.)
Win 95, 98, NT, 2000, Me, and XP INF file
Copy this file onto a blank 3.5-inch disk. In Control Panel, double-click Modems and remove all Sportster modems. Shutdown the computer, connect and turn on the modem, and restart the computer. When prompted, insert the disk and choose "Driver from disk provided by hardware manufacturer" or "search for the best driver" and click OK. Direct the installation to search the 3.5-inch disk. Select the U.S. Robotics 56K fax external and then follow the prompts to finish the installation.