Marvell CMI8738/C3DX PCI MPU-401 Driver Download

Marvell Drivers

The CMI8738/C3DX PCI MPU-401 is a game controller manufactured by Marvell. If your game doesn't run smoothly, crashes or glitches or there is a lag time with your controller, try updating the driver. This version of "" is rated (4 out of 5 stars) based on 34 downloads and 9 reviews. The total disk space used for this update is 1.9 MB.

9 Ratings

Supported Models

CMI8738/C3DX PCI Audio Device

CMI8738/C3DX PCI MPU-401

CMI8738/C3DX PCI game port




File Name

Versions (2001-04-13) via .inf

Uploaded By

DriverGuide (DG Staff Member) on 4-Nov-2005

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
drv/CMAUDIO.INF 11.7 KB 16 May 2001
drv/CMAUDIO.SYS 270.5 KB 13 Apr 2001
drv/CMNprop.dll 28.7 KB 23 Mar 2001
drv/CMedia.dll 77.8 KB 7 Nov 2000
drv/CMprop.dll 28.7 KB 17 Jan 2001
drv/CRLDS3D.DLL 766.0 KB 20 Oct 2000
drv/Mixer.exe 1.0 MB 11 Apr 2001
drv/VERSION.TXT 5.6 KB 13 Apr 2001
drv/audio3d.dll 794.6 KB 11 Jan 2001
drv/ 21.3 KB 28 Dec 2000
drv/mixerdef.ini 4.3 KB 14 May 2001

How to Update CMI8738/C3DX PCI MPU-401 Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the CMI8738/C3DX PCI MPU-401 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 Marvell CMI8738/C3DX PCI MPU-401 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 Marvell 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 Marvell 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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