Crystal Semiconductor Crystal SoundFusion(tm) Virtual MPU-401 Driver Download

Crystal Semiconductor Drivers

The Crystal SoundFusion(tm) Virtual MPU-401 is an audio device manufactured by Crystal Semiconductor. This driver fixes problems with no sound or static or distorted sound, and can unlock advanced features of your audio device. This driver - "c2720d1e.exe" - has been downloaded 47 times and is rated 3 out of 5 stars based on 11 reviews. Compatibility for this driver update includes PCs running Windows operating systems such as Windows XP. The total disk space used for this update is 1.2 MB.

11 Ratings

Supported Models

Crystal PnP Audio System CODEC

Crystal PnP Audio System CODEC (Needs Reboot)

Crystal PnP Audio System CODEC/Joystick

Crystal PnP Audio System Control Registers

Crystal PnP Audio System Joystick

Crystal PnP Audio System MPU-401 Compatible

Crystal PnP IDE Controller


Crystal Semiconductor

Supported Operating Systems

Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows ME, Windows 98SE, Windows 98, Windows 95

File Name

Uploaded By

geo (DG Member) on 30-Jul-2005

How to Update Crystal SoundFusion(tm) Virtual MPU-401 Device Drivers

Step 1 - Download Your Driver

To get the Crystal SoundFusion(tm) Virtual 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 Crystal Semiconductor Crystal SoundFusion(tm) Virtual 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 Crystal Semiconductor Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

Step 2 - Install Your Driver

To install your new driver on Windows:

  1. Right-click the Start button.

  2. Click "Device Manager">

  3. Find your device in the list.

  4. Right-click the device and select "Update driver"

  5. Follow the steps on screen.

Restart your computer when done.

This keeps your computer working at its best.

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
DESC.TXT 138 bytes 27 Apr 1998
LICENSE.TXT 4.5 KB 27 Apr 1998
SW.EXE 1.1 MB 27 Apr 1998
SW.EXE/A3D.DL_ 100.0 KB 1 Apr 1998
SW.EXE/A3D.VX_ 4.9 KB 1 Apr 1998
SW.EXE/CWCAUDIO.INF 59.9 KB 1 Apr 1998
SW.EXE/CWCBASE.A3_ 5.9 KB 1 Apr 1998
SW.EXE/CWCBASE.OS_ 5.7 KB 1 Apr 1998
SW.EXE/CWCDSND.VX_ 94.0 KB 7 Apr 1998
SW.EXE/CWCECHO.VX_ 8.7 KB 1 Apr 1998
SW.EXE/CWCENUM.VX_ 2.8 KB 1 Apr 1998
SW.EXE/CWCHRTF.22_ 123.1 KB 1 Apr 1998
SW.EXE/CWCHRTF.44_ 189.8 KB 1 Apr 1998
SW.EXE/CWCHRTF.V2_ 128.7 KB 1 Apr 1998
SW.EXE/CWCHRTF.V4_ 210.6 KB 1 Apr 1998
SW.EXE/CWCLANG.DLL 10.8 KB 1 Apr 1998
SW.EXE/CWCMCRND.AX_ 41.2 KB 1 Apr 1998
SW.EXE/CWCMIDI.EX_ 33.4 KB 1 Apr 1998
SW.EXE/CWCMMSYS.DR_ 59.7 KB 1 Apr 1998
SW.EXE/CWCMMSYS.VX_ 39.2 KB 1 Apr 1998
SW.EXE/CWCPROPS.CP_ 8.2 KB 1 Apr 1998
SW.EXE/CWCPROXY.VX_ 1.4 KB 1 Apr 1998
SW.EXE/CWCSPKPH.OS_ 2.8 KB 1 Apr 1998
SW.EXE/CWCSPUD.VX_ 61.7 KB 1 Apr 1998
SW.EXE/CWCSPUD3.VX_ 11.2 KB 1 Apr 1998
SW.EXE/CWCWT.OS_ 3.5 KB 1 Apr 1998
SW.EXE/CWCWTDOS.OS_ 17.2 KB 1 Apr 1998
SW.EXE/CWDAUDIO.INF 30.2 KB 15 Apr 1998
SW.EXE/README.TXT 9.3 KB 27 Apr 1998
SW.EXE/SETUP.EXE 79.9 KB 1 Apr 1998
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