Lancer Tech CMI8738/C3DX PCI Audio Device Driver Download

15 Ratings

Supported Models

Cmi8738 Driver

CMI8738/C3DX PCI Audio Device Driver


Lancer Tech


Supported Operating Systems

Windows XP, Windows 2000, Windows NT4, Windows ME, Windows 98SE, Windows 98, Windows 95

File Name


4.0 (16-Sep-2006) (2002-11-27) via .inf

Uploader Notes

I found it with my HARDWARE Guy. As i cant find it on website. So thought to upload it





Uploaded By

Vikas (DG Member) on 16-Sep-2006

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
Win_XP/app/readme.txt 84 bytes 12 Dec 2001
Win_XP/drv/AUDIO3D.DLL 712.7 KB 23 Nov 2001
Win_XP/drv/CMAUDIO.CAT 49.1 KB 3 Dec 2002
Win_XP/drv/CMAUDIO.INF 63.9 KB 27 Nov 2002
Win_XP/drv/CMNPROP.DLL 32.8 KB 9 Oct 2002
Win_XP/drv/CMUNINST.DAT 135.2 KB 11 Jul 2002
Win_XP/drv/CMUNINST.EXE 139.3 KB 11 Jul 2002
Win_XP/drv/CRLDS3D.DLL 766.0 KB 20 Oct 2000
Win_XP/drv/MESetup.dat 1.3 MB 12 Jul 2002
Win_XP/drv/MIXER.EXE 1.8 MB 15 Oct 2002
Win_XP/drv/Setup.exe 864.3 KB 12 Jul 2002
Win_XP/drv/W2KSetup.dat 1.3 MB 14 Aug 2002
Win_XP/drv/cmaudio.dat 22.2 KB 19 Nov 2002
Win_XP/drv/cmaudio.ini 18.3 KB 26 Nov 2002
Win_XP/drv/cmaudio.sys 377.4 KB 18 Nov 2002
Win_XP/drv/cmiainfo.sys 3.4 KB 24 Jun 2002
Win_XP/drv/cmijack.dat 39.1 KB 19 Nov 2002
Win_XP/drv/cmijack.ini 28.2 KB 29 Oct 2002
Win_XP/drv/setup.ini 428 bytes 11 Aug 2001

How to Update CMI8738/C3DX PCI Audio Device Device Drivers Quickly & Easily

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 Lancer Tech 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 Driver Update Utility for Lancer Tech CMI8738/C3DX PCI Audio Device. It is a software utility which automatically finds and downloads the right driver.

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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