This driver download is available for Windows PCs.
At a Glance
Device3Com Megahertz LAN PC Card (589E) (Ethernet)
VendorMicrosoft
Supported OSWindows 10, 8.1, 7, Vista, XP
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The 3Com Megahertz LAN PC Card (589E) (Ethernet) driver lets Windows recognize this legacy network adapter and communicate with it for wired Ethernet access. It is intended for users restoring an older laptop, reinstalling Windows, or troubleshooting a PC Card that appears as an unknown network device in Device Manager.
Key Features
- Wired network connectivity: Provides the software interface Windows needs to use the adapter for access to a local Ethernet network.
- Device recognition: Helps Windows identify the card correctly and display its status in Device Manager.
- Network configuration: Works with Windows networking tools so you can configure connection settings and diagnose basic connectivity problems.
- Legacy hardware support: Intended for the 3Com Megahertz 589E PC Card, with Microsoft listed as the driver vendor. Listed operating systems include Windows 10, 8.1, 7, Vista, and XP; confirm compatibility with your particular driver package before installation.
How to Install 3Com Megahertz LAN PC Card (589E) (Ethernet) Driver
- Identify your hardware and Windows version. Open Device Manager and check the adapter’s name or hardware IDs. Confirm your Windows edition and whether it is 32-bit or 64-bit. The computer also needs a compatible PC Card slot.
- Check the download details. Before choosing a 3Com Megahertz LAN PC Card (589E) (Ethernet) driver download for Windows, verify that the package matches your adapter and operating system. For Windows 10/11 systems, do not assume a legacy driver will work; Windows 11 is not included in the listed support.
- Download and prepare the files. If a free download is available, use a trusted source and scan the package before opening it. Extract compressed files to a folder you can find easily.
- Install the driver. Run the supplied installer, if present. Otherwise, right-click the adapter in Device Manager, select Update driver, and browse to the extracted driver folder.
- Restart and test. Restart if prompted, connect the Ethernet cable using the appropriate card connector, and check the adapter’s status and network connection.
Keep a copy of the working driver before you update. Choose the latest version that explicitly supports your hardware and Windows installation, rather than assuming a newer package is compatible. If the card already works reliably, review the update’s documented fixes before replacing the driver.
Driver Details
| Device | 3Com Megahertz LAN PC Card (589E) (Ethernet) |
|---|---|
| Vendor | Microsoft |
| Category | Network |
| Supported OS | Windows 10, 8.1, 7, Vista, XP |
| Published | November 1, 2026 |
| Updated | November 1, 2026 |
This driver download is available for Windows PCs.