3Com EtherLink III ISA (3C509b-Combo) Driver Download

3Com Drivers

The EtherLink III ISA (3C509b-Combo) 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. It has been downloaded 2,391 times with a user rating of 5 out of 5 stars, based on 56 reviews. It has been installed successfully by our users on PCs running Windows XP. The total disk space used for this update is 346.7 KB.

56 Ratings (see all reviews)
2,391 Downloads

Supported Models

3C509

3C509B

3C509B-C

3Com EtherLink III EISA (3C579)

3Com EtherLink III EISA (3C579-TP)

3Com EtherLink III ISA (3C509/3C509b) in Legacy mode

3Com EtherLink III ISA (3C509b)

Manufacturers

3Com

Farallon Communications

Microsoft

Supported Operating Systems

Windows XP

File Name

Versions

5.30.40.0 (19-Oct-1999)
5.30.40.0 (1999-10-19) via .inf

Additional Notes

Read the Installation Guide first!

Tested on Windows XP Professional SP2 with 3C509B-C (Combo AUI, Coax, RJ45) ISA: works fine!

It most likely will also work on Windows NT4, Windows 2000 and Windows Server 2003.

Uploaded By

Odie Pastunik (DG Member) on 2-May-2006

Most Helpful Reviews

 
Teruzzi
Tested on Windows 7 x64
27 Nov 2013
(5 minutes after download)
 

Installation: 1 out of 5
Stability: 1 out of 5
Compatibility: 1 out of 5
 
"Driver not work for 64bit system, It think I'll never find one. Tkf DG"
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See all 3Com EtherLink III ISA (3C509b-Combo) ratings and reviews

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
3Com 3C509 3C509B Network Card Driver 5.30.40.0 Windows XP/Download netel5x9.inf DriverGuide.mht 250.6 KB 2 May 2006
3Com 3C509 3C509B Network Card Driver 5.30.40.0 Windows XP/ELNK3.SYS 25.2 KB 17 Aug 2001
3Com 3C509 3C509B Network Card Driver 5.30.40.0 Windows XP/Installation Guide.mht 464.4 KB 2 May 2006
3Com 3C509 3C509B Network Card Driver 5.30.40.0 Windows XP/NETEL5X9.INF 11.8 KB 2 May 2006
3Com 3C509 3C509B Network Card Driver 5.30.40.0 Windows XP/OEM3.INF 11.8 KB 2 May 2006

How to Update 3Com EtherLink III ISA (3C509b-Combo) Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the 3Com EtherLink III ISA (3C509b-Combo) 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 ISA (3C509b-Combo) 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

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

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.

This website is not affiliated with 3Com. All company names/logos are properties of their owners.
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