MSI Realtek RTL8139 10/100 Serial and RTL8169 Gigabit Serial Driver Download

MSI Drivers

The Realtek RTL8139 10/100 Serial and RTL8169 Gigabit Serial is a network device manufactured by MSI. 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 "" has been downloaded 6,993 times with a user rating of 5 out of 5 stars, based on 38 reviews. Our users report success installing this driver update on PCs running Windows XP. The total disk space used for this update is 126.6 KB.

38 Ratings (see all reviews)

Supported Models

Realtek RTL8139 10/100 Serial and RTL8169 Gigabit Serial

Version: 5.611.1231.2003

Realtek RTL8139/810X Family Fast Ethernet NIC

Realtek RTL8139/810x/c+/8169/8110 Network chipsets

Realtek RTL8139C+ Fast Ethernet NIC

Realtek RTL8169/8110 Family Gigabit Ethernet NIC

Version: 5.611.1231.2003




Supported Operating Systems

Windows XP, Windows 2000, Windows ME, Windows 98SE

File Name


5.611.1231.2003 (2003-12-31) via .inf

Additional Notes

WHQL Pass for Win2K/XP

RTL8139 10/100 Serial and RTL8169 Gigabit Serial use the same driver version 6.11

Driver version: 5.611.1231.2003

Uploaded By

Jayakumar (DG Staff Member) on 24-May-2004

Most Helpful Reviews

7 of 8 people found the following review helpful:

27 Nov 2006

Installation:  out of 5
Stability:  out of 5
Compatibility:  out of 5


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See all MSI Realtek RTL8139 10/100 Serial and RTL8169 Gigabit Serial ratings and reviews

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
WIN2000/Netrtl.inf 24.7 KB 31 Dec 2003
WIN2000/ 8.5 KB 8 Jan 2004
WIN2000/Rtlnic5.sys 68.7 KB 31 Dec 2003
WINXP/Netrtlxp.inf 20.3 KB 31 Dec 2003
WINXP/Rtlnic51.sys 69.5 KB 31 Dec 2003
WINXP/ 8.5 KB 8 Jan 2004
Win98-ME/Netrtl.inf 24.7 KB 16 Mar 2004
Win98-ME/Rtlnic5.sys 68.7 KB 31 Dec 2003

How to Update Realtek RTL8139 10/100 Serial and RTL8169 Gigabit Serial Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the Realtek RTL8139 10/100 Serial and RTL8169 Gigabit Serial 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 MSI Realtek RTL8139 10/100 Serial and RTL8169 Gigabit Serial 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 MSI 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 MSI 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 MSI. All company names/logos are properties of their owners.
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