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

SigmaTel Drivers

The AC'97 Audio Controller - SigmaTel Codec is a device manufactured by SigmaTel. You can unlock features and improve performance by updating its driver. This version of "" has been downloaded 98 times with a user rating of 4 out of 5 stars, based on 10 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 1.5 MB.

10 Ratings

Supported Models

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 (2001-09-03) via .inf

Uploaded By

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

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
layout.bin 879 bytes 19 Sep 2001
Setup.ini 221 bytes 19 Sep 2001
STFINDCS.sys 7.0 KB 4 Sep 2001
deletecabs.bat 23 bytes 13 Sep 2001
reboot.exe 36.9 KB 17 Aug 2001
st_inst.ini 1.6 KB 25 Jan 2001
STFNDCSV.VXD 18.2 KB 4 Sep 2001
Setup.exe 134.7 KB 19 Sep 2001
ikernel.ex_ 338.5 KB 8 Nov 2000 801.3 KB 19 Sep 2001
STFNDCSD.dll 3.6 KB 6 Sep 2001
ICH/nt4/oemsetup.inf 202 bytes 12 Jul 2001
ICH/nt4/IAC97U4.dll 48.3 KB 17 Jul 2001
ICH/nt4/IAC97K4.sys 54.6 KB 17 Jul 2001
ICH/nt4/setupnt4.dll 6.0 KB 10 Jul 2001
ICH/vxd/dsetup.dll 127.5 KB 16 Jun 2001
ICH/wdm/setuphlp.dll 4.5 KB 16 Jun 2001
ICH/wdm/ 11.8 KB 17 Sep 2001
ICH/wdm/stac97.sys 94.1 KB 3 Sep 2001
ICH/wdm/stac97.inf 45.3 KB 3 Sep 2001 512 bytes 19 Sep 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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