The Realtek RTL8139 Family CardBus Fast Ethernet NIC is a network device manufactured by Mercury. 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 - "KOBLAN.zip" - has an average rating of 4 out of 5 stars based on 20 reviews, and has been downloaded 2,825 times. Visitors have successfully installed this driver on PCs running Windows XP. The total disk space used for this update is 500.8 KB.
KOB LAN10/100 TDE (-EW)
Realtek RTL8139 Family CardBus Fast Ethernet NIC
Realtek RTL8139 Family CardBus Fast Ethernet NIC(for Win95A)
Realtek RTL8139 Family PCI Fast Ethernet NIC
Realtek RTL8139(A/B/C/8130) PCI Fast Ethernet (NDIS4/Win95_OSR2 driver)
Realtek RTL8139(A/B/C/8130) PCI Fast Ethernet NIC
Realtek RTL8139(B/C) CardBus Fast Ethernet (NDIS4/Win95_OSR2 driver)
Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows ME, Windows 98SE, Windows 98, Windows 95
5.378.0804.2000 (2000-08-04) via .inf
Turns out that this mercury/kobian Lan card is really a realtek card. Anyways, since Kobian's website is so useless, here is the driver for anyone who needs it.
Bjorn (DG Member) on 12-Dec-2004
See all Mercury Realtek RTL8139 Family CardBus Fast Ethernet NIC ratings and reviews
The following files are found inside the driver download file.
Name | Size | Date |
---|---|---|
NETRTS_A.___ | 7.6 KB | 31 Jan 2000 |
NWCLIENT/DOS/NET.CFG | 2.0 KB | 4 Nov 1997 |
NWCLIENT/DOS/RTSODI.INS | 671 bytes | 24 Oct 1997 |
NWCLIENT/DOS/RTSODI.COM | 55.4 KB | 26 Jun 2000 |
NWCLIENT/DOS/NETX.EXE | 78.7 KB | 29 Apr 1996 |
NWCLIENT/DOS/IPXODI.COM | 30.1 KB | 29 Apr 1996 |
NWCLIENT/DOS/LSL.COM | 18.3 KB | 29 Apr 1996 |
NWSERVER/40/RTSSRV.LAN | 57.3 KB | 26 Jun 2000 |
NWSERVER/40/ETHERTSM.NLM | 9.4 KB | 29 Nov 1994 |
NWSERVER/40/MSM.NLM | 20.3 KB | 23 Nov 1994 |
NWSERVER/41X/NBI.NLM | 20.4 KB | 17 Oct 1997 |
NWSERVER/41X/RTSSRV.LAN | 57.1 KB | 26 Jun 2000 |
NWSERVER/41X/ETHERTSM.NLM | 12.0 KB | 30 Apr 1998 |
NWSERVER/41X/Rtssrv.BAK | 9.3 KB | 29 May 2000 |
NWSERVER/41X/MSM.NLM | 76.4 KB | 21 Apr 1998 |
NWSERVER/41X/Rtssrv.ldi | 9.3 KB | 29 May 2000 |
NWSERVER/42_5X/RTSSRV.LAN | 57.1 KB | 26 Jun 2000 |
NWSERVER/42_5X/RTSSRV.LDI | 9.3 KB | 29 May 2000 |
NWSERVER/312/NBI31X.NLM | 38.1 KB | 17 Oct 1997 |
NWSERVER/312/RTSSRV.LAN | 57.1 KB | 26 Jun 2000 |
NWSERVER/312/ETHERTSM.NLM | 13.1 KB | 8 Dec 1997 |
NWSERVER/312/MSM31X.NLM | 69.0 KB | 2 Dec 1997 |
NWSERVER/311/LSLENH.NLM | 11.6 KB | 16 Nov 1992 |
NWSERVER/311/RTSSRV.LAN | 57.3 KB | 26 Jun 2000 |
NWSERVER/311/ETHERTSM.NLM | 9.2 KB | 23 Aug 1994 |
NWSERVER/311/PATCHMAN.NLM | 9.6 KB | 4 Feb 1993 |
NWSERVER/311/MSM31X.NLM | 21.3 KB | 23 Aug 1994 |
NWSERVER/311/MONITOR.NLM | 117.8 KB | 26 Oct 1992 |
LINUX/GUIDE.TXT | 2.5 KB | 15 Aug 2000 |
WIN2000/NETRTS5.CAT | 5.4 KB | 3 Sep 1999 |
WIN2000/RTL8139.SYS | 23.0 KB | 4 Aug 2000 |
WIN2000/NETRTS5.INF | 10.8 KB | 7 Aug 2000 |
README.TXT | 6.4 KB | 16 Aug 2000 |
NTRPL/BOOT.TXT | 12.5 KB | 5 Jun 2001 |
NTRPL/Win95a.drv/RTSND.DOS | 53.6 KB | 7 Jan 1999 |
NTRPL/Win95a.drv/RTL8139.SYS | 35.8 KB | 29 Dec 2000 |
NTRPL/Win95a.drv/NETRTS.INF | 8.3 KB | 3 Jan 2001 |
NTRPL/Win95a.drv/PROTOCOL.INI | 1.1 KB | 23 May 1997 |
NTRPL/SUBOOT/AUTOEXEC.BAT | 86 bytes | 2 Jan 2001 |
NTRPL/SUBOOT/MACHINES.INI | 97 bytes | 8 Nov 1999 |
NTRPL/SUBOOT/PROTOCOL.INI | 365 bytes | 14 Dec 2000 |
NTRPL/SUBOOT/CONFIG.SYS | 65 bytes | 2 Jan 2001 |
MAINMENU.TXT | 877 bytes | 15 Aug 2000 |
NETRTS5.___ | 13.8 KB | 31 Jan 2000 |
NETRTS.INF | 6.7 KB | 31 Jan 2000 |
WIN98/NETRTS5.CAT | 5.4 KB | 3 Sep 1999 |
WIN98/RTL8139.SYS | 23.0 KB | 4 Aug 2000 |
WIN98/NETRTS5.INF | 10.8 KB | 7 Aug 2000 |
RSET8139.EXE | 92.3 KB | 7 Jan 2000 |
FILEPATH.LST | 625 bytes | 14 Aug 2000 |
WINNT4/RTL8139.SYS | 35.3 KB | 7 Aug 2000 |
WINNT4/OEMSETUP.INF | 49.2 KB | 16 Feb 2000 |
Win95a/RTL8139.SYS | 35.8 KB | 29 Dec 2000 |
Win95a/NETRTS.INF | 8.3 KB | 3 Jan 2001 |
OEMSETUP.INF | 48.4 KB | 26 Jul 1999 |
To get the Realtek RTL8139 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 Mercury Realtek RTL8139 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 Mercury Driver Update Utility. It is a software utility which automatically finds and downloads the right 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.
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
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.