MSNT351.TXT Driver File Contents (

   Windows NT 3.51 

   This document describes the procedure to install  Windows NT 3.51 
   driver for REALTEK RTL8139 Fast Ethernet Adapter.

   Location of Driver:     \WINNT351\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:\WINNT351 which is the path  where the setup file OEMSETUP.INF is 
      located, and then choose the OK button.

   6. The screen will appear "Duplex Mode" 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, while the RTL8139.SYS is loading. 

   7. 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.

   8. Restarting your system you will acquire network service.


Download Driver Pack

How To Update Drivers Manually

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.

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