3Com EtherLink III 3C509B Driver Download
The EtherLink III 3C509B 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 version of "3c509x.exe" is rated (5 out of 5 stars) based on 11,135 downloads and 46 reviews. It has been installed successfully by our users on PCs running Windows XP. The total disk space used for this update is 1.9 MB.
Supported Models
EtherLink III 3C509B
Manufacturers
Supported Operating Systems
Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows NT3.51, Windows ME, Windows 98SE, Windows 98, Windows 95, Windows 3.1
File Name
3c509x.exe (1.9 MB)
Additional Notes
Unpacked the file, the copied 3C509X1 to afolder called Disk1 and copied 3C509X2 to a folder called Disk2. Then run PreInst, shut down and insert the card. Reboot and follow prompts.
Uploaded By
T Matten (DG Member) on 22-May-2001
Ratings & Reviews
Related Driver Updates
How to Update EtherLink III 3C509B Device Drivers
Step 1 - Download Your Driver
To get the EtherLink III 3C509B 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 EtherLink III 3C509B 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 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.
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| 3C509X1.EXE | 1.2 MB | 5 Mar 1998 |
| 3C509X2.EXE | 721.6 KB | 5 Mar 1998 |