SigmaTel Intel(r) AC'97 Audio Controller - SigmaTel Codec Driver Download

SigmaTel Drivers

The AC'97 Controller - SigmaTel Codec is an audio device manufactured by SigmaTel. This driver fixes problems with no sound or static or distorted sound, and can unlock advanced features of your audio device. This update - "" - has an average rating of 5 out of 5 stars based on 31 reviews, and has been downloaded 4,076 times. Visitors have successfully installed this driver on PCs running Windows XP. The total disk space used for this update is 1.6 MB.

31 Ratings (see all reviews)

Supported Models

QSound_SigmaTel Stac97 PCI Audio

Intel(r) AC'97 Audio Controller - SigmaTel Codec



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

Versions (2001-02-09) via .inf

Uploaded By

DriverGuide (DG Staff Member) on 9-Sep-2003

Most Helpful Reviews

6 of 7 people found the following review helpful:
Tested on Windows XP
20 Apr 2007

Installation: 5 out of 5
Stability: 5 out of 5
Compatibility: 5 out of 5
"Rpida instalacin, sin problemas.

Funcion OK!"

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6 of 7 people found the following review helpful:
Tested on Windows 98SE
23 Dec 2004

Installation: 4 out of 5
Stability:  out of 5
Compatibility:  out of 5
"Works with the Packard-Bell Club series of computers - better than the ones offered from the Spack-Bell website. Thanks very much!"
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See all SigmaTel Intel(r) AC'97 Audio Controller - SigmaTel Codec ratings and reviews

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
layout.bin 880 bytes 27 Feb 2001
NOTE9x.TXT 208 bytes 6 Mar 2001
hotkey/stvolkey.exe 45.1 KB 23 Feb 2001
hotkey/readme.txt 73 bytes 5 Dec 2000
Setup.ini 221 bytes 27 Feb 2001
st_inst.ini 1.6 KB 27 Feb 2001
Setup.exe 134.7 KB 27 Feb 2001
ikernel.ex_ 338.5 KB 8 Nov 2000 835.9 KB 27 Feb 2001
driver/nt4/oemsetup.inf 499 bytes 7 Sep 2000
driver/nt4/iac97u4.dll 49.5 KB 14 Dec 2000
driver/nt4/iac97k4.sys 47.1 KB 14 Dec 2000
driver/nt4/setupnt4.dll 6.0 KB 28 Dec 2000
driver/vxd/stac97xx.inf 16.1 KB 27 Oct 2000
driver/vxd/dsetup.dll 127.5 KB 27 Oct 2000
driver/vxd/ 582 bytes 17 Jan 2001
driver/vxd/stac97.drv 94.3 KB 17 Jan 2001
driver/vxd/stac97xx.vxd 255.6 KB 17 Jan 2001
driver/wdm/setuphlp.dll 4.0 KB 27 Oct 2000
driver/wdm/german/readme.txt 172 bytes 10 Nov 2000
driver/wdm/ 356 bytes 9 Feb 2001
driver/wdm/tchinese/readme.txt 185 bytes 10 Nov 2000
driver/wdm/readme.txt 145 bytes 10 Nov 2000
driver/wdm/korean/readme.txt 172 bytes 10 Nov 2000
driver/wdm/japanese/readme.txt 174 bytes 10 Nov 2000
driver/wdm/spanish/readme.txt 173 bytes 10 Nov 2000
driver/wdm/stac97.sys 68.5 KB 9 Feb 2001
driver/wdm/english/readme.txt 173 bytes 10 Nov 2000
driver/wdm/english/STAC97.INF 14.5 KB 9 Feb 2001
driver/wdm/french/readme.txt 172 bytes 10 Nov 2000
driver/wdm/schinese/readme.txt 182 bytes 10 Nov 2000
driver/wdm/portugese/readme.txt 175 bytes 10 Nov 2000
driver/wdm/STAC97.INF 14.5 KB 9 Feb 2001 512 bytes 27 Feb 2001
NOTE.TXT 472 bytes 27 Feb 2001

How to Update Intel(r) AC'97 Audio Controller - SigmaTel Codec Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the Intel(r) AC'97 Audio Controller - SigmaTel Codec 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 SigmaTel Intel(r) AC'97 Audio Controller - SigmaTel Codec 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 SigmaTel 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 SigmaTel. All company names/logos are properties of their owners.
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