MSI KT4A Ultra Driver Download (Official)

MSI Drivers

The KT4A Ultra is an audio device manufactured by MSI. This driver fixes problems with no sound or static or distorted sound, and can unlock advanced features of your audio device. This version of "cm45xp.exe" is rated (5 out of 5 stars) based on 32 downloads and 5 reviews. It has been installed successfully by our users on PCs running Windows XP. The total disk space used for this update is 2.3 MB.

5 Ratings
32 Downloads

Supported Models

KT4A Ultra

CMI8738/C3DX PCI Audio Device

Manufacturers

MSI

CMedia

Supported Operating Systems

Windows XP

File Name

Versions

5.12.1.642 (9-Nov-2002)
5.12.01.0642 (2002-10-15) via .inf

Additional Notes

KT4A Ultra

Socket A (AMD K7)

C-Media CMI8738 Sound Drivers

• Remove for MS-6592 AUX/Mono IN item.

Uploaded By

Jegadesh (DG Staff Member) on 10-Nov-2006

How to Update KT4A Ultra Device Drivers

Step 1 - Download Your Driver

To get the KT4A Ultra 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 MSI KT4A Ultra 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 MSI 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 MSI website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

After downloading your new driver, it's time to install it. For Windows users, the built-in Device Manager is your go-to tool for managing system devices and drivers. Here's how to use it:

  1. Right-click the Start button to open the Quick Access menu.

  2. Select "Device Manager" from the list of options.

  3. In the Device Manager window, locate the device that needs updating.

  4. Right-click on the device name and choose "Update driver" from the context menu.

  5. Follow the on-screen instructions to complete the installation process.

Once the installation is complete, restart your computer to ensure the new driver is properly integrated and functional.

This simple process helps keep your system running smoothly and maintains compatibility with your hardware components.

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
AUDIO3D.DLL 712.7 KB 23 Nov 2001
CMAUDIO.CAT 48.9 KB 16 Oct 2002
CMAUDIO.INF 63.7 KB 15 Oct 2002
CMNPROP.DLL 32.8 KB 9 Oct 2002
CMUNINST.DAT 135.2 KB 11 Jul 2002
CMUNINST.EXE 139.3 KB 11 Jul 2002
CRLDS3D.DLL 766.0 KB 20 Oct 2000
MIXER.EXE 1.8 MB 9 Oct 2002
cmaudio.dat 22.1 KB 14 Oct 2002
cmaudio.sys 379.9 KB 15 Oct 2002
cmijack.dat 39.0 KB 3 Oct 2002
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