The USB-IrDA Adapter is a network device manufactured by SigmaTel. Issues like weak Wi-Fi signal, slow DNS lookup, duplicate IP addresses, slow network and excessive CPU usage can be solved by updating this driver. This version of "U2IrDA-Infineon.zip" has been downloaded 813 times with a user rating of 4 out of 5 stars, based on 20 reviews. It has been installed successfully by our users on PCs running Windows XP. The total disk space used for this update is 1.1 MB.
SigmaTel USB-IrDA Adapter
Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows NT3.51, Windows ME, Windows 98SE, Windows 98, Windows 95, Windows 3.1
U2IrDA-Infineon.zip (1.1 MB)
1.26.0.0 (2001-09-21) via .inf
DriverGuide (DG Staff Member) on 12-Sep-2003
See all SigmaTel USB-IrDA Adapter ratings and reviews
To get the SigmaTel USB-IrDA Adapter 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 USB-IrDA Adapter 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.
After you get your new driver, you need to put it on your computer. On Windows, there's a tool called Device Manager that helps with this. It shows you all the parts of your computer and the drivers they use. To finish setting up the new driver, you'll probably need to turn your computer off and on again.
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.
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| U2IrDA/layout.bin | 434 bytes | 1 Nov 2001 |
| U2IrDA/License/setup.ini | 58 bytes | 12 Jul 2001 |
| U2IrDA/Setup.ini | 151 bytes | 1 Nov 2001 |
| U2IrDA/Drv98/stirusb.sys | 30.1 KB | 24 Sep 2001 |
| U2IrDA/Drv98/stirusbinf.w98 | 5.0 KB | 24 Sep 2001 |
| U2IrDA/Drv98/stirusb.inf | 4.9 KB | 24 Sep 2001 |
| U2IrDA/Drv98/stirusb.cat | 358 bytes | 14 Sep 2000 |
| U2IrDA/Drv2k/stirusb.sys | 30.1 KB | 24 Sep 2001 |
| U2IrDA/Drv2k/stirusb.inf | 4.1 KB | 24 Sep 2001 |
| U2IrDA/Drv2k/stirusb.cat | 358 bytes | 14 Sep 2000 |
| U2IrDA/Setup.exe | 134.7 KB | 15 May 2000 |
| U2IrDA/ikernel.ex_ | 339.6 KB | 5 Oct 2000 |
| U2IrDA/data1.cab | 565.3 KB | 1 Nov 2001 |
| U2IrDA/data2.cab | 47.1 KB | 1 Nov 2001 |
| U2IrDA/DrvXP/irstusb.cat | 358 bytes | 14 Sep 2000 |
| U2IrDA/DrvXP/irstusb.inf | 4.1 KB | 24 Sep 2001 |
| U2IrDA/DrvXP/irstusb.sys | 30.1 KB | 24 Sep 2001 |
| U2IrDA/DrvME/stirusb.sys | 30.1 KB | 24 Sep 2001 |
| U2IrDA/DrvME/stirusbinf.wME | 5.0 KB | 12 Oct 2001 |
| U2IrDA/DrvME/stirusb.inf | 4.9 KB | 24 Sep 2001 |
| U2IrDA/DrvME/stirusb.cat | 358 bytes | 14 Sep 2000 |