Realtek RTL8139/810X Family CardBus Fast Ethernet NIC Driver Download

RealTek Drivers

The RTL8139/810X Family CardBus Fast Ethernet NIC is a network device manufactured by RealTek. 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 - "" - has an average rating of 5 out of 5 stars based on 16 reviews, and has been downloaded 3,148 times. It has been installed successfully by our users on PCs running Windows XP. The total disk space used for this update is 1.0 MB.

16 Ratings (see all reviews)

Supported Models


Realtek RTL8139/810X Family CardBus Fast Ethernet NIC

Realtek RTL8139/810X Family CardBus Fast Ethernet NIC(for Win95A)

Realtek RTL8139/810X Family PCI Fast Ethernet NIC




Supported Operating Systems

Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows ME, Windows 98SE, Windows 98, Windows 95

File Name


5.397.0823.2001 (2001-08-23) via .inf

Additional Notes

For all windows operating systems-

Uploaded By

Brian Irwin (DG Member) on 7-Apr-2002

Ratings & Reviews

See all Realtek RTL8139/810X Family CardBus Fast Ethernet NIC ratings and reviews

How to Update Realtek RTL8139/810X Family CardBus Fast Ethernet NIC Device Drivers

Step 1 - Download Your Driver

To get the Realtek RTL8139/810X Family CardBus Fast Ethernet NIC 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 Realtek RTL8139/810X Family CardBus Fast Ethernet NIC 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 RealTek 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 RealTek website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Installing your newly downloaded driver is a straightforward process. Windows provides a dedicated tool called Device Manager for this purpose. Follow these steps to update your driver:

  1. Access the Quick Access menu by right-clicking the Start button.

  2. From the menu options, choose "Device Manager".

  3. Within Device Manager, identify the device requiring the driver update.

  4. Open the context menu for the device by right-clicking its name.

  5. Select "Update driver" and proceed through the guided installation.

To complete the process, reboot your computer. This ensures the new driver is fully integrated into your system.

Regular driver updates contribute to optimal system performance and hardware compatibility.

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
rtlsetup-8139(130)/397/WIN2000/RTL8139.SYS 25.4 KB 23 Aug 2001
rtlsetup-8139(130)/397/WIN2000/NETRTS5.INF 12.7 KB 23 Aug 2001
rtlsetup-8139(130)/397/WIN2000/NETRTSN.CAT 7.3 KB 8 Oct 2001
rtlsetup-8139(130)/397/SETUP.EXE 56.3 KB 5 Sep 2001
rtlsetup-8139(130)/397/DATA1.CAB 466.8 KB 6 Feb 2002
rtlsetup-8139(130)/397/IKERNEL.EX_ 344.9 KB 5 Sep 2001
rtlsetup-8139(130)/397/WIN95A/RTL8139.SYS 36.9 KB 23 Aug 2001
rtlsetup-8139(130)/397/WIN95A/NETRTS.INF 8.4 KB 23 Jul 2001
rtlsetup-8139(130)/397/WINME/NETRTS5.CAT 8.0 KB 3 Oct 2001
rtlsetup-8139(130)/397/WINME/RTL8139.SYS 25.4 KB 23 Aug 2001
rtlsetup-8139(130)/397/WINME/NETRTS5.INF 12.7 KB 23 Aug 2001
rtlsetup-8139(130)/397/SETUP.TXT 2.5 KB 11 Oct 2001
rtlsetup-8139(130)/397/WIN98/NETRTS5.CAT 8.0 KB 3 Oct 2001
rtlsetup-8139(130)/397/WIN98/RTL8139.SYS 25.4 KB 23 Aug 2001
rtlsetup-8139(130)/397/WIN98/NETRTS5.INF 12.7 KB 23 Aug 2001
rtlsetup-8139(130)/397/WINXP/RTL8139.SYS 25.4 KB 23 Aug 2001
rtlsetup-8139(130)/397/WINXP/NETRTS5.INF 12.7 KB 23 Aug 2001
rtlsetup-8139(130)/397/WINXP/NETRTSN.CAT 7.3 KB 19 Sep 2001
rtlsetup-8139(130)/397/LAYOUT.BIN 417 bytes 6 Feb 2002
rtlsetup-8139(130)/397/W95OSR2/RTL8139.SYS 37.4 KB 23 Aug 2001
rtlsetup-8139(130)/397/W95OSR2/NETRTS.INF 7.5 KB 23 Jul 2001
rtlsetup-8139(130)/397/DATA2.CAB 32.6 KB 6 Feb 2002
rtlsetup-8139(130)/397/SETUP.INI 130 bytes 6 Feb 2002
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