CMedia CMI8738/C3DX PCI Audio Device Driver Download

C-Media Drivers

The CMI8738/C3DX PCI Audio Device is an audio device manufactured by C-Media. This driver fixes problems with no sound or static or distorted sound, and can unlock advanced features of your audio device. This version of "" is rated (5 out of 5 stars) based on 327 downloads and 6 reviews. Visitors have successfully installed this driver on PCs running Windows XP. The total disk space used for this update is 2.7 MB.

6 Ratings

Supported Models


CMI8738/C3DX PCI Audio Device



Supported Operating Systems

Windows XP, Windows 2000

File Name

Versions (2002-11-27) via .inf

Uploaded By

Ayaz Hassan Riaz (DG Member) on 24-Apr-2009

How to Update CMI8738/C3DX PCI Audio Device Device Drivers

Step 1 - Download Your Driver

To get the CMI8738/C3DX PCI Audio Device 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 CMedia CMI8738/C3DX PCI Audio Device 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 CMedia 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 CMedia website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

To install your new driver on Windows:

  1. Right-click the Start button.

  2. Click "Device Manager">

  3. Find your device in the list.

  4. Right-click the device and select "Update driver"

  5. Follow the steps on screen.

Restart your computer when done.

This keeps your computer working at its best.

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
WINXP/AUDIO3D.DLL 712.7 KB 7 Apr 2003
WINXP/CMAUDIO.CAT 49.1 KB 7 Apr 2003
WINXP/CMAUDIO.INF 63.9 KB 7 Apr 2003
WINXP/CMNPROP.DLL 32.8 KB 7 Apr 2003
WINXP/CMUNINST.DAT 135.2 KB 7 Apr 2003
WINXP/CMUNINST.EXE 139.3 KB 13 Jun 2005
WINXP/CRLDS3D.DLL 766.0 KB 7 Apr 2003
WINXP/MIXER.EXE 1.8 MB 13 Jun 2005
WINXP/Readme.txt 1.9 KB 7 Apr 2003
WINXP/Setup.exe 1.3 MB 13 Jun 2005
WINXP/cmaudio.dat 22.2 KB 7 Apr 2003
WINXP/cmaudio.sys 377.4 KB 7 Apr 2003
WINXP/cmijack.dat 39.1 KB 7 Apr 2003
WINXP/setup.ini 514 bytes 7 Apr 2003
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