Conceptronic C128U Driver Download (Official)

8 Ratings

Supported Models

C128U Driver

Conceptronic USB ISDN TA Driver

NDIS WAN Miniport Adapter Driver




Supported Operating Systems

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

File Name


3.36 (16-Jun-2003) (2003-04-14) via .inf

Uploader Notes


Tool included.

File : 336U_ALL.EXE

version : 3.36

Uploaded By

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

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
333_UTL/AUTORUN.INF 27 bytes 24 Apr 2003
333_UTL/DISK1.ID 5 bytes 24 Apr 2003
333_UTL/SETUP.EXE 45.3 KB 18 Jan 1997
333_UTL/SETUP.INI 33 bytes 24 Apr 2003
333_UTL/SETUP.INS 70.9 KB 6 Aug 1998
333_UTL/SETUP.PKG 2.0 KB 24 Apr 2003
333_UTL/_INST32I.EX_ 320.4 KB 18 Jan 1997
333_UTL/_ISDEL.EXE 8.2 KB 7 Sep 1995
333_UTL/_SETUP.1 2.3 MB 24 Apr 2003
333_UTL/_SETUP.DLL 6.1 KB 19 Dec 1996
333_UTL/_SETUP.LIB 193.9 KB 24 Apr 2003
336U_DRV/CAPI20.98 8.2 KB 30 Nov 1999
336U_DRV/CAPI20.DLL 9.0 KB 1 Dec 1999
336U_DRV/CAPI2032.DLL 9.2 KB 29 Nov 2002
336U_DRV/CAPITASK.EXE 3.6 KB 30 May 1998
336U_DRV/ISDNCOIN.DLL 41.2 KB 9 Dec 2002
336U_DRV/ISDNDRV.inf 27.7 KB 21 May 2003
336U_DRV/ISDN_u.98_ 266.2 KB 12 Feb 2003
336U_DRV/ISDN_u.sy_ 257.0 KB 19 Apr 2003
336U_DRV/NOTECAPI.EX_ 9.9 KB 7 Aug 2000
336U_DRV/UNINSTAL.EXE 98.3 KB 17 Apr 2003
336U_DRV/UNITXT.TXT 461 bytes 12 Mar 2003
336U_DRV/UNITXTF.TXT 404 bytes 12 Mar 2003
336U_DRV/UNITXTG.TXT 615 bytes 20 Mar 2003
336U_DRV/UNITXTS.TXT 507 bytes 12 Mar 2003
336U_DRV/UNITXTSC.TXT 354 bytes 12 Mar 2003
336U_DRV/VCAPID16.VX_ 10.1 KB 17 Dec 2002
336U_DRV/WDMWANMP.98_ 16.3 KB 26 Mar 2002
336U_DRV/WDMWANMP.SY_ 16.7 KB 13 Jan 2003
336U_DRV/WINWANUI.DL_ 13.8 KB 15 Jan 2002
336U_DRV/unitxtfr.txt 559 bytes 19 Mar 2003

How to Update C128U Device Drivers Quickly & Easily

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

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 Conceptronic. All company names/logos are properties of their owners.
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