Realtek RTL8139(B/C) CardBus Fast Ethernet Driver Download
The RTL8139(B/C) CardBus Fast Ethernet 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 - "LKF-5100_.zip" - has an average rating of 3 out of 5 stars based on 8 reviews, and has been downloaded 43 times. It is compatible with PCs running Windows XP, among other operating systems. The total disk space used for this update is 443.8 KB.
Supported Models
Linkskey LKF-5100+
Realtek RTL8139(A/B/C/8130) PCI Fast Ethernet
Realtek RTL8139(A/B/C/8130) PCI Fast Ethernet NIC
Realtek RTL8139(B/C) CardBus Fast Ethernet
Realtek RTL8139(B/C) CardBus Fast Ethernet(for Win95A)
Realtek RTL8139(B/C) Cardbus Fast Ethernet NIC
Manufacturers
Supported Operating Systems
Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows ME, Windows 98SE, Windows 98, Windows 95
File Name
Uploaded By
Miguex (DG Member) on 23-Apr-2008
Related Driver Updates
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| Config/EZRTS.EXE | 137.6 KB | 8 Jan 1999 |
| Config/README.TXT | 3.1 KB | 8 Jan 1999 |
| DISK1 | 1 byte | 19 Jan 1995 |
| Dosodi/NET.CFG | 2.0 KB | 4 Nov 1997 |
| Dosodi/RTSODI.COM | 55.2 KB | 12 Aug 1998 |
| Dosodi/RTSODI.INS | 671 bytes | 24 Oct 1997 |
| H5X.BAT | 691 bytes | 4 Nov 1999 |
| Linux/GUIDE.TXT | 2.2 KB | 25 Jan 1999 |
| Linux/RTL8139.C | 44.7 KB | 25 Jan 1999 |
| NDIS.DOS/BANYAN/README.TXT | 2.4 KB | 19 Sep 1997 |
| NDIS.DOS/IBMLSP/LANSVR23.TXT | 3.4 KB | 6 Nov 1997 |
| NDIS.DOS/IBMLSP/LANSVR40.TXT | 1.5 KB | 19 Sep 1997 |
| NDIS.DOS/LANMAN/README.TXT | 5.1 KB | 6 Nov 1997 |
| NDIS.DOS/OEMSETUP.INF | 641 bytes | 1 Jun 1998 |
| NDIS.DOS/PCNFS/README.TXT | 1.8 KB | 19 Sep 1997 |
| NDIS.DOS/PROTOCOL.INI | 65 bytes | 27 May 1998 |
| NDIS.DOS/RTL8139.NIF | 2.1 KB | 22 Jun 1999 |
| NDIS.DOS/RTSND.386 | 30.3 KB | 29 May 1998 |
| NDIS.DOS/RTSND.DOS | 53.6 KB | 7 Jan 1999 |
| NDIS.DOS/RTSND.NIF | 192 bytes | 29 May 1998 |
| NDIS.DOS/WFW31/README.TXT | 1.8 KB | 6 Nov 1997 |
| NT351/OEMSETUP.INF | 48.3 KB | 4 Aug 1999 |
| NT351/PROTOCOL.INI | 63 bytes | 29 May 1998 |
| NT351/RTL8139.SYS | 25.6 KB | 4 Aug 1999 |
| Ndis.os2/PROTOCOL.INI | 91 bytes | 23 Mar 1998 |
| Ndis.os2/RTSND.NIF | 154 bytes | 25 Sep 1997 |
| Ndis.os2/RTSND.OS2 | 40.4 KB | 3 Mar 1998 |
| OEMSETUP.INF | 437 bytes | 23 Mar 1998 |
| PROTOCOL.INI | 90 bytes | 23 Mar 1998 |
| Packet/PACKET.TXT | 3.1 KB | 25 Mar 1999 |
| Packet/RTSPKT.COM | 56.9 KB | 7 May 1999 |
| RELEASE.TXT | 1.4 KB | 9 Aug 1999 |
| RTSND.DOS | 53.6 KB | 7 Jan 1999 |
| RTSND.NIF | 192 bytes | 29 May 1998 |
| Server.odi/312/ETHERTSM.NLM | 13.1 KB | 8 Dec 1997 |
| Server.odi/312/MSM31X.NLM | 69.0 KB | 2 Dec 1997 |
| Server.odi/312/NBI31X.NLM | 38.1 KB | 17 Oct 1997 |
| Server.odi/312/RTSSRV.LAN | 56.9 KB | 28 Jan 1999 |
| Server.odi/41X/ETHERTSM.NLM | 12.0 KB | 30 Apr 1998 |
| Server.odi/41X/MSM.NLM | 76.4 KB | 21 Apr 1998 |
| Server.odi/41X/NBI.NLM | 20.4 KB | 17 Oct 1997 |
| Server.odi/41X/RTSSRV.LAN | 56.9 KB | 28 Jan 1999 |
| Server.odi/41X/RTSSRV.LDI | 9.3 KB | 28 Jan 1999 |
| Server.odi/500/RTSSRV.LAN | 56.9 KB | 28 Jan 1999 |
| Server.odi/500/RTSSRV.LDI | 9.3 KB | 28 Jan 1999 |
| Server.odi/BOOTROM.TXT | 2.6 KB | 30 Dec 1998 |
| Server.odi/README.TXT | 264 bytes | 30 Dec 1998 |
| WIN2000/NETRTS5.CAT | 5.4 KB | 9 Dec 1998 |
| WIN2000/Netrts5.inf | 11.5 KB | 20 Jul 1999 |
| WIN2000/RTL8139.SYS | 27.5 KB | 15 Jul 1999 |
| WIN98/NETRTS5.CAT | 5.4 KB | 9 Dec 1998 |
| WIN98/NETRTS5.INF | 11.5 KB | 20 Jul 1999 |
| WIN98/RTL8139.SYS | 27.5 KB | 17 Nov 1999 |
| WINNT/OEMSETUP.INF | 48.4 KB | 18 May 1999 |
| WINNT/PROTOCOL.INI | 1.1 KB | 19 Sep 1997 |
| WINNT/RTL8139.SYS | 32.3 KB | 20 Jul 1999 |
| Win95/NETRTS.INF | 5.1 KB | 21 May 1999 |
| Win95/RTL8139.SYS | 32.3 KB | 20 Jul 1999 |
| Win95a/NETRTS.INF | 5.9 KB | 21 May 1999 |
| Win95a/RTL8139.SYS | 31.2 KB | 20 Jul 1999 |
How to Update Realtek RTL8139(B/C) CardBus Fast Ethernet Device Drivers Quickly & Easily
Step 1 - Download Your Driver
To get the Realtek RTL8139(B/C) CardBus Fast Ethernet 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(B/C) CardBus Fast Ethernet 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
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
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
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.