ESS Allegro MPU-401 Compatible (WDM) Driver Download

ESS Drivers

The Allegro MPU-401 Compatible (WDM) is an audio device manufactured by ESS. This driver fixes problems with no sound or static or distorted sound, and can unlock advanced features of your audio device. This driver - "" - has been downloaded 1,232 times and is rated 5 out of 5 stars based on 17 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 753.1 KB.

17 Ratings

Supported Models

ESS Allegro PCI Audio (WDM)

ESS Allegro MPU-401 Compatible (WDM)

MPU-401 Compatible MIDI Device



Supported Operating Systems

Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows NT3.51, Windows ME, Windows 98SE, Windows 98, Windows 95, Windows 3.1

File Name


4.10.1025.0 (1999-09-27) via .inf
4.10.1036.0 (1999-12-09) via .inf

Uploaded By

DriverGuide (DG Staff Member) on 25-Mar-2004

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
layout.bin 609 bytes 21 Dec 1999
_SYS1.CAB 175.5 KB 21 Dec 1999
essaudio.ini 96 bytes 29 Dec 1999
ES198X.SYS 159.9 KB 9 Dec 1999 49.0 KB 21 Dec 1999 1 byte 21 Dec 1999
_ISDEL.EXE 27.6 KB 21 Dec 1999
setup.lid 49 bytes 21 Dec 1999
SETUP.EXE 73.7 KB 21 Dec 1999
Essaudio.sys 12.6 KB 21 Dec 1999
DATA1.CAB 469 bytes 21 Dec 1999
DATA.TAG 101 bytes 21 Dec 1999
os.dat 450 bytes 21 Dec 1999
Oem.inf 33.8 KB 29 Dec 1999
setup.ins 72.0 KB 21 Dec 1999
SETUP.INI 45 bytes 29 Dec 1999
_SETUP.DLL 34.8 KB 21 Dec 1999
Localize/OemJP.inf 44.7 KB 28 Sep 1999
Localize/OemPO.inf 44.8 KB 28 Sep 1999
Localize/OemQU.inf 44.8 KB 28 Sep 1999
Localize/OemNL.inf 44.7 KB 28 Sep 1999
Localize/OemSV.inf 44.6 KB 28 Sep 1999
Localize/OemDK.inf 44.7 KB 28 Sep 1999
Localize/OemCT.inf 44.9 KB 28 Sep 1999
Localize/OemNO.inf 44.7 KB 28 Sep 1999
Localize/OemCS.inf 44.6 KB 28 Sep 1999
Localize/OemGR.inf 44.8 KB 28 Sep 1999
Localize/OemSP.inf 44.9 KB 28 Sep 1999
Localize/OemIT.inf 44.7 KB 28 Sep 1999
Localize/OemFR.inf 44.8 KB 28 Sep 1999
Localize/Oem.inf 44.6 KB 28 Sep 1999
Localize/OemSU.inf 44.8 KB 28 Sep 1999
_USER1.CAB 919 bytes 21 Dec 1999
lang.dat 23.5 KB 21 Dec 1999
_INST32I.EX_ 296.7 KB 21 Dec 1999

How to Update ESS Allegro MPU-401 Compatible (WDM) Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the ESS Allegro MPU-401 Compatible (WDM) 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 ESS Allegro MPU-401 Compatible (WDM) 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 ESS 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 ESS. All company names/logos are properties of their owners.
server: web3, load: 0.47