SigmaTel STIR4220 Driver Download
The STIR4220 is a device manufactured by SigmaTel. You can unlock features and improve performance by updating its driver. This update - "mac_driver.sit" - has an average rating of 4 out of 5 stars based on 3 reviews, and has been downloaded 264 times. The total disk space used for this update is 755.8 KB.
Supported Models
STIR4220
Manufacturers
Supported Operating Systems
Mac OSX, Mac OS
File Name
mac_driver.sit (755.8 KB)
Additional Notes
STIR4220
Supports OS X 10.2 and above. This driver does not support STIR4200-based products.
(OS X source code is available from SigmaTel support by sending an email request to
USB Driver File
Uploaded By
Purushothaman (DG Staff Member) on 6-Mar-2006
Related Driver Updates
How to Update STIR4220 Device Drivers
Step 1 - Download Your Driver
To get the STIR4220 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 STIR4220 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.
To find the newest driver, you may need to visit the SigmaTel website. Most major device manufacturers update their drivers regularly.
Step 2 - Install Your Driver
After downloading the new driver, proceed with installation. On Windows, use the built-in Device Manager utility to manage your system's devices and drivers. To access it:
Right-click the Start button
Select "Device Manager" from the menu
Locate the device needing the update
Right-click the device and choose "Update driver"
Follow the on-screen prompts to install
Once complete, restart your computer to ensure the new driver is fully implemented and functioning properly.
This process helps maintain your system's performance and compatibility with various hardware components.
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.