Trust Computer 511 Sound Expert Driver Download (Official)

Trust Computer Drivers

The 511 Sound Expert is an audio device manufactured by Trust Computer. This driver fixes problems with no sound or static or distorted sound, and can unlock advanced features of your audio device. This update - "12949_11.exe" - has an average rating of 3 out of 5 stars based on 5 reviews, and has been downloaded 98 times. The uploader reports that this update will work successfully on PCs running Windows XP. The total disk space used for this update is 3.2 MB.

5 Ratings

Supported Models

511 Sound Expert

CMI8738/C3DX PCI Audio Device


Trust Computer


Supported Operating Systems

Windows XP

File Name


3.0 (26-Feb-2004) (2002-07-16) via .inf

Additional Notes

511 Sound Expert

5.1 Surround Sound Card

Sound card Driver File

Uploaded By

Sivakumar (DG Staff Member) on 21-Jun-2006

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 49.6 KB 25 Jul 2002
CMAUDIO.INF 64.2 KB 16 Jul 2002
CMNPROP.DLL 32.8 KB 29 Mar 2002
CMUNINST.DAT 135.2 KB 11 Jul 2002
CMUNINST.EXE 139.3 KB 11 Jul 2002
CRLDS3D.DLL 766.0 KB 21 Oct 2000
MESetup.dat 1.3 MB 13 Jul 2002
MIXER.EXE 1.6 MB 13 Jul 2002
Setup.exe 864.3 KB 13 Jul 2002
W2KSetup.dat 1.3 MB 14 Aug 2002
cmaudio.dat 20.3 KB 17 Jul 2002
cmaudio.ini 18.2 KB 6 Jun 2003
cmaudio.sys 379.7 KB 16 Jul 2002
cmiainfo.sys 3.4 KB 24 Jun 2002
cmijack.dat 36.9 KB 17 Jul 2002
cmijack.ini 27.4 KB 17 Sep 2002
setup.ini 428 bytes 12 Aug 2001

How to Update 511 Sound Expert Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the 511 Sound Expert 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 Trust Computer 511 Sound Expert 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 Trust Computer Driver Update Utility. 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.

This website is not affiliated with Trust Computer. All company names/logos are properties of their owners.
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