GVC SF-1156V/R21 Driver Download
The SF-1156V/R21 is a modem manufactured by GVC. 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 "Sf56r21.exe" is rated (5 out of 5 stars) based on 13,815 downloads and 63 reviews. Our users report success installing this driver update on PCs running Windows XP. The total disk space used for this update is 5.9 KB.
Supported Models
SF-1156V/R21
Manufacturers
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
Sf56r21.exe (5.9 KB)
Additional Notes
Model SF-1156V/R21 56K External DB9 MD0220
Description External, V.90, K56flex, Voice, Speakerphone
For OS Win95/98/Me/NT/W2k
Filename SF56R21.EXE
Filesize 5kb
Filedate 7/24/2000
Contains the modem driver and the wave driver to enable voice functions.
Downloaded from www.gvc.ca/
Uploaded By
Jerry K (DG Staff Member) on 30-May-2001
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How to Update SF-1156V/R21 Device Drivers
Step 1 - Download Your Driver
To get the SF-1156V/R21 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 GVC SF-1156V/R21 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 GVC Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
Step 2 - Install Your Driver
Installing your newly downloaded driver is a straightforward process. Windows provides a dedicated tool called Device Manager for this purpose. Follow these steps to update your driver:
Access the Quick Access menu by right-clicking the Start button.
From the menu options, choose "Device Manager".
Within Device Manager, identify the device requiring the driver update.
Open the context menu for the device by right-clicking its name.
Select "Update driver" and proceed through the guided installation.
To complete the process, reboot your computer. This ensures the new driver is fully integrated into your system.
Regular driver updates contribute to optimal system performance and hardware compatibility.
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.