3CP003056 USRobotics® 56K* Modem PC Card with XJACK®

  • Installing the 3CPxx3056 in Windows 2000
  • Modem returns a "No Dialtone" error message.
  • Will my PC Card function properly outside of North America?
  • New modem problems with Dial Up Networking.
  • PC Card trouble with Motorola Startac 7790 Phone.
  • PCMCIA modem and Gateway Solo 9100 running Windows NT 4.0.
  • Modem problems with NEC 6000 series laptop running Windows NT 4.0.

    Technical Bulletins

  • Configure Your PC Card With Modem Initialization Strings
  • Connect Your Compatible Cellular Cable
  • Configure Windows 9x For Internet Services
  • Acquire Firmware Upgrade From Our Web Site
  • Verify Your PC Card Controller Is Configured For Windows 9x
  • Determine Product and Firmware Revision
  • Configure Your System For PC Card Modems In Windows 9x

    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 PC Card? Verify that the label on the bottom of the PC Card indicates 3CP003056. If it does not, check the USR3056 support page.

    Manuals and other Documents


    OS Compatibility


    2012 R2







    Vista 64


    XP 64




    98 SE

    98 FE





    Drivers and Firmware
    Windows 95 Installation files
    3056w95.exe1.06 MB02-28-01
    Windows 2000 Installation files
    3056w2k.exe1.06 MB02-28-01

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    Warranty Service Learn how to send your product in for warranty service.

    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.