Windows NT 3.5, 3.51 & 4.0 Introduction: ------------- This document describes the procedure to install Windows NT v3.5, v3.51 & v4.0 driver for Realtek RTL8139 PCI Fast Ethernet adapter. Location of NT 4.0 Driver : \WINNT\RTL8139.SYS Location of NT 3.51 Driver: \NT351\RTL8139.SYS Installing driver procedure on Microsoft Windows NT : ----------------------------------------------------- When you are in Windows NT : 1. In the Main group of NT, select the "Control Panel" icon. 2. In the Control Panel window, choose the "Network" icon. 3. In the Network Settings dialog box, choose the "Add Adapter" button. The Add Network Adapter dialog box appears. 4. In the list of network cards, select "<other> Requires disk from manufacturer", and then press <Enter> button. 5. Insert the Realtek driver disk in drive A, enter drive and pathname A:\ (for NT 4.0) or A:\NT351 (for NT 3.51) which is the path where the setup file OEMSETUP.INF is located, and then choose the OK button. 6. The screen will appear "Select Line Speed" dialog box which is provide by RTL8139.SYS driver. The default value is "auto" so that the RTL8139 PCI Fast Ethernet adapter and its driver RTL8139.SYS will auto-detect the line speed, 10 Mb or 100Mb, while the RTL8139.SYS is loading. The other values, "10" or "100", are only used when you want to forced RTL8139 PCI Fast Ethernet adapter to 10Mb or 100Mb. 7. The screen will appear "Input EthernetID" dialog box which is provide by RTL8139.SYS driver. This option is only required when you have more than one Realtek RTL8139 PCI Fast Ethernet adapters on this computer. Select "SKIP" if only one adapter is installed on this computer. 8. "Bus Location" display in next screen. Your machine contains more than one hardware bus, please select the Bus Type and Bus number on which your network adapter card is installed. 9. NT will then perform the binding process. If any additional network software options were installed, you may be prompted for specific information for these packages. 10. Restarting your system you will acquire network service. NOTES: ------ * Installing Multiple LAN Adapters: Enter Windows NT and follow above setup procedure step 2,in the "Network Settings" dialog box, choose the "Configure.." button. The "Input Ethernet ID" dialog box appears and input adapter's Ethernet ID. Last step to select OK and close NETWORK SETUP. Select SKIP if only one adapter is installed on this computer.Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.