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QSound_SigmaTel Stac97 PCI Audio - Free download and ...
https://download.cnet.com/QSound-SigmaTel-Stac97-PCI-Audio/3000-2110_4-129997.html
Developer's Description. By Fujitsu. This package supports the following driver models: QSound_SigmaTel Stac97 PCI Audio.
stac97.sys Windows process - What is it?
https://www.file.net/process/stac97.sys.html
"stac97.sys" is a Windows driver for SigmaTel (Freescale) audio devices and is known as the AC'97 Audio Controller with SigmaTel CODEC device driver. It is also known as the Sigmatel C-Major STAC 9750 AC97 WDM Audio Driver. The file handles AC'97 audio processing for select sound cards and uses a codec device driver to handle format processing.
Audio Driver update for Sigmatel STAC97 - Dell Community
https://www.dell.com/community/Laptops-General-Read-Only/Audio-Driver-update-for-Sigmatel-STAC97/td-p/2861335
Dell hasn't used the AC97 audio chips in a few years, ever since intel ugraded its audio protocol to 'HD'. The 9300 was the last Inspiron model to have the older Sigmatel chip. I doubt if there will ever be a new AC97 driver version from Dell but you never know. Jim Jim Coates -- 16 years on the Dell Laptop Audio boards -- since 2/6/04 0 Kudos
stac97.cpl - What is stac97.cpl?
https://www.processlibrary.com/en/directory/files/stac97/431766/
The stac97.cpl is an executable file on your computer's hard drive. This file contains machine code. If you start the software Sigmatel Audio on your PC, the commands contained in stac97.cpl will be executed on your PC. For this purpose, the file is loaded into the main memory (RAM) and runs there as a stac97.cpl process (also called a task).
DRIVERS STAC97 SYS SIGMATEL AUDIO FOR WINDOWS 7 64BIT
https://gb.nytrngsecure.com/audio/stac97-sys-sigmatel-audio-gwczvx/
Sigmatel c-major audio driver manufacturer is sigmatel and developed by sigmatel in the database contains 29 versions of the sigmatel c-major. It is working on ac97 wdm sigmatel stac-9250 audio agreement. It is stereo and antivirus scan results. Device manager shows all ok, but control panel > sound properties > volume says no audio device.
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