CMedia CMI8338/C3DX PCI Audio Device Driver Download (Official)

C-Media Drivers

The CMI8338/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 update - "" - has an average rating of 5 out of 5 stars based on 8 reviews, and has been downloaded 106 times. Compatibility for this driver update includes PCs running Windows operating systems such as Windows XP. The total disk space used for this update is 1.4 MB.

8 Ratings

Supported Models

DOS Mode MPU-401 Emulator

C-Media PCI Audio Legacy Device

CMI8338/C3DX PCI Audio Device

CMI8338/C3DX PCI Audio Device.

CMI8738/C3DX PCI Audio Device



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

Uploaded By

DriverGuide (DG Staff Member) on 28-Nov-2003

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
CMI8x38_WIN9x/setup.ini 297 bytes 2 Feb 2000
CMI8x38_WIN9x/CMSWMPU.VXD 14.5 KB 13 Apr 1999
CMI8x38_WIN9x/CMAUDIO.VXD 219.3 KB 10 Apr 2000
CMI8x38_WIN9x/cmpci031.inf 8.3 KB 25 Jan 2000
CMI8x38_WIN9x/cmpci026.inf 8.2 KB 25 Jan 2000
CMI8x38_WIN9x/SNDVOL32.CNT 392 bytes 11 Jul 1995
CMI8x38_WIN9x/CMPCI95.DRV 55.4 KB 27 Apr 2000
CMI8x38_WIN9x/uinstdrv.exe 45.1 KB 19 Jan 2000
CMI8x38_WIN9x/CMMPUPCI.DRV 9.4 KB 10 Nov 1999
CMI8x38_WIN9x/SMIDI32P.DLL 83.5 KB 30 Oct 1998
CMI8x38_WIN9x/CMPCIFM.DRV 18.7 KB 28 Apr 1999
CMI8x38_WIN9x/CMSMIDI.DRV 18.4 KB 13 Apr 1999
CMI8x38_WIN9x/C3D.dll 387.1 KB 9 Apr 1999
CMI8x38_WIN9x/cmpmix.exe 1.1 MB 26 Apr 2000
CMI8x38_WIN9x/8338note.txt 7.3 KB 27 Apr 2000
CMI8x38_WIN9x/Setup.exe 155.6 KB 8 Apr 2000
CMI8x38_WIN9x/8738note.txt 4.8 KB 27 Apr 2000
CMI8x38_WIN9x/SNDVOL32.EXE 54.8 KB 11 Jul 1995
CMI8x38_WIN9x/mixerdef.ini 678 bytes 14 Jan 2000
CMI8x38_WIN9x/SMIDIPCI.DLL 30.1 KB 7 Nov 1998
CMI8x38_WIN9x/cmpci032.inf 8.4 KB 25 Jan 2000
CMI8x38_WIN9x/CMMPU.EXE 79.9 KB 28 Apr 1999
CMI8x38_WIN9x/026/CMAUDIO.VXD 219.3 KB 10 Apr 2000
CMI8x38_WIN9x/026/Cmpci95.drv 54.5 KB 27 Apr 2000

How to Update CMI8338/C3DX PCI Audio Device Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the CMI8338/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 CMI8338/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

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.

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