Actiontec Internal PCI 56K Call Waiting Modem (Windows 2000) Version 7 descriptions Contains the following: Windows 2000 . INF file Call Waiting selection utility Windows 2000 users: If your modems firmware starts with I1110 do not install under Windows 2000. You will need to upgrade to the 907 firmware before the modem will work with Windows 2000 Before starting this driver installation we suggest you make sure you are installing the latest driver version available. Follow readme instructions/help file for installing drivers when available. Sometimes you need to restart your system for the new installed driver to become active. You can install this driver with the following operating system: Windows 2000