USR997900 (2 LEDs 7900-01) 10/100 Mbps PCI Network Card
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Warranty: 2 Year

  • Recognizing your Ethernet Network Card
  • Accessing the Network or Internet

    Additional Support

    If the support information in this section doesn't help you solve your issue, you can contact a USR Help Desk Technician directly.

    Verify your product

    Is this your network card? Verify how many LEDs (lights) are on the metal bracket of your USR7900 with the image below. If it does not match, check the 7900 (1 LED) support page.

    Metal bracket

    Manuals and other Documents

    OS Compatibility


    2012 R2







    Vista 64


    XP 64




    98 SE

    98 FE





    Installation Drivers
    Microsoft Windows 98SE, Me, 2000, XP, and NDIS Drivers
    Updated drivers for the 10/100 Ethernet NIC Card (model number 7900-01). These drivers include support for Microsoft Windows 98SE, Me, NT 4.0, 2000, XP, CSO UNIX, NetWare, and Linux. There are also unsupported drivers for Microsoft LAN Manager, Windows for Workgroups 3.11, Windows 95, Windows NT, Linux Red Hat, SCO Unix, and Netware 4.x and 5.x. To download and install these drivers:
    • Download and extract the files from to a temporary location on your computer's hard disk drive.
    • Follow the instructions in the Readme.txt file to complete the driver installation. 575 KB 01-07-2003

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    Electronic product documentation is provided as a courtesy to USRobotics customers. These are electronic versions of the original documentation. Some of the information contained within this documentation, including the support contact information, is subject to change.