US Robotics U.S. Robotics 56K Voice EXT Driver Download

US Robotics Drivers

The U.S. Robotics 56K Voice EXT is a modem manufactured by US Robotics. If you cannot connect to the network, or have slow transfer speeds or intermittent disconnection problems, you may need to update your modem driver or firmware. This version of "" has been downloaded 560 times with a user rating of 3 out of 5 stars, based on 5 reviews. The uploader reports that this update will work successfully on PCs running Windows XP. The total disk space used for this update is 2.6 MB.

5 Ratings (see all reviews)

Supported Models

U.S. Robotics 56K FAX EXT PnP

U.S. Robotics 56K FAX EXT

U.S. Robotics 56K FAX INT

U.S. Robotics 56K Voice EXT

U.S. Robotics 56K Voice EXT PnP

U.S. Robotics 56K Voice INT

U.S. Robotics Voice Serial Wave Device


US Robotics


Supported Operating Systems

Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows NT3.51, Windows ME, Windows 98SE, Windows 98, Windows 95, Windows 3.1

File Name

Additional Notes

this is compl.driver+flasher+file to flash and make your sportster work on any speed v34 x2 or v90 this is for model xx166301 but if you need file for some other models feel free to mail me....usr and 3 com site are worth zerooooo.

Uploaded By

pere (DG Member) on 14-Jul-2001

Ratings & Reviews

See all US Robotics U.S. Robotics 56K Voice EXT ratings and reviews

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
usr 1.9 MB 14 Jul 2000
usr 13.9 KB 21 Feb 1999
usr 75.8 KB 15 Jan 1997
usr 10.1 KB 31 Oct 1996
usr 303.9 KB 16 Jan 1997
usr 66.4 KB 21 Jan 1997
usr 15.6 KB 21 Aug 1996
usr 8.0 KB 1 Apr 1999
usr 20.1 KB 1 Apr 1999
usr 360 bytes 2 Feb 1999
usr 54.7 KB 21 Jan 1997
usr 863.7 KB 19 Jul 1997
usr 323.5 KB 15 Jan 1997
usr 15.9 KB 15 Jan 1997
usr 8.8 KB 1 Apr 1999
usr 9.9 KB 1 Apr 1999
usr 89.6 KB 16 Jan 1997
usr 7.8 KB 1 Apr 1999
usr 73.4 KB 16 Jan 1997
usr 1.6 KB 1 Apr 1999
usr 37.9 KB 16 Jan 1997
usr 7.1 KB 15 Jan 1997
usr 16.5 KB 16 Jan 1997
v90 usr 233.4 KB 14 Jul 2000
v90 usr 51.2 KB 12 Feb 1998
v90 usr 1.6 KB 12 Feb 1998
v90 usr 278.8 KB 3 Jun 1999
v90 usr 233.4 KB 14 Jul 2000
v90 usr 51.2 KB 12 Feb 1998
v90 usr 1.6 KB 12 Feb 1998
v90 usr 278.8 KB 3 Jun 1999
v90 233.4 KB 14 Jul 2000
v90 51.2 KB 12 Feb 1998
v90 1.6 KB 12 Feb 1998
v90 278.8 KB 3 Jun 1999

How to Update U.S. Robotics 56K Voice EXT Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the U.S. Robotics 56K Voice EXT driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter US Robotics U.S. Robotics 56K Voice EXT into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the US Robotics Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the US Robotics website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

This website is not affiliated with US Robotics. All company names/logos are properties of their owners.
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