Cisco AIR-PI21AG 802.11a/b/g PCI Card Driver Download
The AIR-PI21AG 802.11a/b/g PCI Card is a network device manufactured by Cisco Systems. 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 driver - "CiscoAirOnet21cd.zip" - has been downloaded 14,913 times and is rated 5 out of 5 stars based on 113 reviews. Our users report success installing this driver update on PCs running Windows XP. The total disk space used for this update is 7.1 MB.
Supported Models
AIR-CB21AG 802.11a/b/g PC-Cardbus Card
AIR-PI21AG 802.11a/b/g PCI Card
Manufacturers
Supported Operating Systems
Windows 2003, Windows XP, Windows 2000, Windows 98SE
File Name
CiscoAirOnet21cd.zip (7.1 MB)
Additional Notes
Cisco wireless drivers are hard to get. This is off of the installation cd that came with cisco a,b,g pcmcia wireless card. Read the readme, it may help you down the road : )
Uploaded By
J.A. Stuart (DG Member) on 9-Jul-2006
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Related Driver Updates
How to Update AIR-PI21AG 802.11a/b/g PCI Card Device Drivers
Step 1 - Download Your Driver
To get the AIR-PI21AG 802.11a/b/g PCI Card 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 Cisco AIR-PI21AG 802.11a/b/g PCI Card 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 Cisco 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 Cisco website. Most major device manufacturers update their drivers regularly.
Step 2 - Install Your Driver
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.
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| FileList.txt | 678 bytes | 24 Jun 2005 |
| Regulatory.pdf | 1.0 MB | 24 Jun 2005 |
| WinClient-802.11a-b-g-Ins-Wizard-v21.exe | 6.4 MB | 24 Jun 2005 |
| really_readme.txt | 641 bytes | 9 Jul 2006 |