Conceptronic C128U Driver Download (Official)

Conceptronic Drivers

The C128U is a modem manufactured by Conceptronic. 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 driver - "334A_C128U.EXE" - has been downloaded 20 times and is rated 5 out of 5 stars based on 6 reviews. The uploader reports that this update will work successfully on PCs running Windows XP. The total disk space used for this update is 3.6 MB.

Conceptronic C128U Automatic Driver Update Utility
6 Ratings

Supported Models


NDIS WAN Miniport Adapter




Supported Operating Systems

Windows XP, Windows 2000, Windows ME, Windows 98SE

File Name


3.34A (20-Jan-2003) (2002-12-24) via .inf

Additional Notes


Tool included.

File : 334A_C128U.EXE

version : 3.34A

Uploaded By

Rexrinaldo (DG Staff Member) on 1-May-2006

How to Update C128U Device Drivers

Step 1 - Download Your Driver

To get the C128U 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 Conceptronic C128U 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 Conceptronic 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 Conceptronic website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

After you get your new driver, you need to put it on your computer. On Windows, there's a tool called Device Manager that helps with this. It shows you all the parts of your computer and the drivers they use. To finish setting up the new driver, you'll probably need to turn your computer off and on again.

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.

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
Driver/CAPI20.98 8.2 KB 30 Nov 1999
Driver/CAPI20.DLL 9.0 KB 1 Dec 1999
Driver/CAPI2032.DLL 9.2 KB 29 Nov 2002
Driver/CAPITASK.EXE 3.6 KB 30 May 1998
Driver/ISDNCOIN.DLL 41.2 KB 9 Dec 2002
Driver/ISDNDRV.inf 29.1 KB 25 Dec 2002
Driver/ISDN_u.98_ 265.9 KB 25 Dec 2002
Driver/ISDN_u.sy_ 266.2 KB 25 Dec 2002
Driver/ISDN_u.xp_ 256.0 KB 25 Dec 2002
Driver/NOTECAPI.EX_ 9.9 KB 7 Aug 2000
Driver/UNINSTAL.EXE 81.9 KB 2 Jan 2003
Driver/VCAPID16.VX_ 10.1 KB 17 Dec 2002
Driver/WDMWANMP.98_ 16.3 KB 26 Mar 2002
Driver/WDMWANMP.SY_ 16.7 KB 13 Jan 2003
Driver/WINWANUI.DL_ 13.8 KB 15 Jan 2002
Utility/AUTORUN.INF 27 bytes 8 Jan 2003
Utility/DISK1.ID 5 bytes 8 Jan 2003
Utility/SETUP.EXE 45.3 KB 18 Jan 1997
Utility/SETUP.INI 33 bytes 8 Jan 2003
Utility/SETUP.INS 70.9 KB 6 Aug 1998
Utility/SETUP.PKG 1.9 KB 8 Jan 2003
Utility/_INST32I.EX_ 320.4 KB 18 Jan 1997
Utility/_ISDEL.EXE 8.2 KB 7 Sep 1995
Utility/_SETUP.1 2.3 MB 8 Jan 2003
Utility/_SETUP.DLL 6.1 KB 19 Dec 1996
Utility/_SETUP.LIB 193.8 KB 8 Jan 2003
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