README.TXT Driver File Contents (MB123LND.ZIP)

Window 2000 Ethernet Diagnostic Program
The packet driver demonstrates the use of the upper edge NDIS 
services to communicate with NDIS MAC drivers.

The driver creates a device object which may be opened by Win32 apps
via a symbolic link.  A Packet may be sent by writing data to the
driver.  Receives may be pended to the driver by reading from the

The driver expects that it will be bound an Ethernet card as it makes
assumptions about frame size. If the driver is installed but the card 
doesn't exist, there will be a warning message box shown after the invalid
card is chosen at the first dialog. 

There are 4 necessary files:  
1. rtldiag.exe    ------ the App file
2. packet.sys     ------ the packet file
3. packet32.dll   ------ the App DLL file

The install procedure is as followed:
1. Place rtldiag.exe, packet.sys and packet32.dll in the system directory
   , such as c:\winnt\system32.
2. Execute rtldiag.exe directly.

Note: 1. The function buttom of "Receive" in rtlDiag.exe shows the test
      patterns that are sent by another diagnostic program.
      2. Do not execute rtldiag.exe more than once at the same time.
      3. After you close rtldiag.exe, please wait a few seconds (about 
         2 seconds) before executing rtldiag.exe again.

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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