SigmaTel Intel(r) 82801AA AC'97 Audio Controller - SigmaTel Codec Driver Download

SigmaTel Drivers

The 82801AA AC'97 Audio - SigmaTel Codec is a disk drive controller manufactured by SigmaTel. This driver fixes problems with drive not found, slow or unreliable data transfer, intermittent connection or hardware conflicts. This update - "ST9700_audio.exe" - has an average rating of 4 out of 5 stars based on 31 reviews, and has been downloaded 6,503 times. Our users report success installing this driver update on PCs running Windows XP. The total disk space used for this update is 928.8 KB.

31 Ratings (see all reviews)

Supported Models

QSound_SigmaTel Stac97 PCI Audio

Intel(r) 82440MX AC'97 Audio Controller - SigmaTel Codec

Intel(r) 82801AA AC'97 Audio Controller - SigmaTel Codec

Intel(r) 82801AB AC'97 Audio Controller - SigmaTel Codec

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 (2000-05-17) via .inf

Uploaded By

DriverGuide (DG Staff Member) on 12-Sep-2003

Most Helpful Reviews

4 of 5 people found the following review helpful:
Tested on Windows 2003 Server
20 Nov 2006

Installation: 4 out of 5
Stability: 4 out of 5
Compatibility:  out of 5
"Sound card driver installed apparently normally, but failed to proceed otherwise, still no sound. Possible other hard drive or drive controller problems or IRQ sharing problems - - not proven.


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See all SigmaTel Intel(r) 82801AA 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 714 bytes 30 May 2000
Driver/VXD/stac97xx.inf 15.3 KB 10 Jun 2000
Driver/VXD/ 582 bytes 23 May 2000
Driver/VXD/stac97xx.VXD 256.1 KB 23 May 2000
Driver/VXD/stac97.drv 91.8 KB 23 May 2000
Driver/WDM/SETUPHLP.dll 4.0 KB 5 Jan 2000
Driver/WDM/ 356 bytes 17 May 2000
Driver/WDM/stac97.sys 47.0 KB 17 May 2000
Driver/WDM/stac97.inf 11.3 KB 10 Jun 2000
Driver/NT4/IAC97U4.dll 48.6 KB 16 Mar 2000
Driver/NT4/SETUPNT4.dll 6.7 KB 13 Apr 2000
Driver/NT4/IAC97K4.sys 46.2 KB 16 Mar 2000
Driver/NT4/OEMSETUP.INF 499 bytes 27 May 1999 175.5 KB 30 May 2000
_Setup.dll 34.8 KB 29 Sep 1998
setup.lid 49 bytes 30 May 2000
_ISDel.exe 27.6 KB 27 Oct 1998
Setup.exe 73.7 KB 12 Jan 1999
DATA.TAG 136 bytes 30 May 2000
version.txt 39 bytes 9 Jun 2000
os.dat 450 bytes 27 Jul 1998
setup.ins 77.1 KB 30 May 2000 469 bytes 30 May 2000
SETUP.INI 116 bytes 30 May 2000
_inst32i.ex_ 296.7 KB 23 Feb 1999 11.9 KB 30 May 2000
lang.dat 23.5 KB 12 Jan 1999

How to Update Intel(r) 82801AA AC'97 Audio Controller - SigmaTel Codec Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the Intel(r) 82801AA 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) 82801AA 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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