3Com 3C509B-TPO Driver Download (Official)
The 3C509B-TPO is a network device manufactured by 3Com. 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 update - "5x9nw.exe" - has an average rating of 5 out of 5 stars based on 13 reviews, and has been downloaded 415 times. The total disk space used for this update is 70.4 KB.
Supported Models
3C509B-TPO
Manufacturers
File Name
Additional Notes
3Com® EtherLink® 10 ISA TPO Network Interface Card
UNSUPPORTED- EtherLink III 3C5x9 family NetWare 2.x server drivers, and IPX.COM workstation shell driver, with LANPATCH utility.
Uploaded By
Bhaskar (DG Staff Member) on 1-Jun-2004
Related Driver Updates
How to Update 3C509B-TPO Device Drivers
Step 1 - Download Your Driver
To get the 3C509B-TPO 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 3Com 3C509B-TPO 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 3Com 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 3Com 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.