Applies to Xircom® CardBus Ethernet Adapters (CBE, CBE2, RBE, R2BE).

Problem:
The Xircom® CardBus Ethernet card fails to initialize after installation under Windows NT* 4.0.  Windows NT becomes unstable after installing the Xircom adapter.

Cause:
This issue may result from a canceled, corrupted or incomplete CardBus network adapter installation.

Resolution:
Before attempting another installation of the Xircom CardBus network adapter, remove the installation files and registry entries associated with the previous attempts to install the Xircom adapter. This procedure also removes Windows NT* 4.0 Networking.

• XBE301-1.EXE - This download file contains all software (drivers, installation files, and utilities) currently shipped with the Xircom® RealPort and Xircom® Type II CardBus Ethernet 10/100 network adapters (approximately 3MB).
• XBE301-2.EXE - This download file provides a subset of the full software release. It contains the latest drivers, installation files and Utilities for Windows* 95, Windows* 98, Windows NT*, and Windows* 2000 (approximately 2MB).
• XBE301-3.EXE - This download is also a subset of the full software release. It contains the DOS and Windows* 3.x drivers, installation files and utilities (approximately 700KB).

• Adapter installation and configuration
• New feature capabilities and applications
• Known issues and fixes as of this software release

1. Open the Windows NT Networking dialog box.
   
   a. Click the Windows NT Start button
   b. Point to Settings
   c. Click the Control Panel
   d. Double click the Network icon
   
   Note: The Windows NT Networking dialog box allows access to the network adapter, network services, and the network protocols. The following steps remove these items individually, which results in the removal of Windows NT Networking. The procedural description assumes that the Network dialog box remains open until instructed otherwise.
   
   
2. Remove the Xircom adapter entry from Windows NT Networking.
   
   a. In the NT Networking dialog box click the Adapters tab
   b. Click the Xircom adapter entry
   c. Click Remove
   d. Repeat this process for unused network adapters displayed in the network adapter window
   
   
3. Remove the network services from Windows NT Networking.
   
   a. Click the Services tab
   b. Because of networking service dependencies, click the Workstation service first
   c. Click Remove
   d. Repeat this process for each networking service listed. No special order is required with the remaining services.
   
   
4. Remove the network protocols from Windows NT Networking
   
   a. Click the Protocol tab
   b. Click a listed protocol
   c. Click Remove
   d. Repeat this process for each installed Protocol.
   
   
5. Click Close
   
6. Click NO and DO NOT RESTART the computer.
   
7. Open Windows NT Explorer
   
   a. Click the Windows NT Start button
   b. Point to Programs
   c. In the Programs Group, click Windows NT Explorer
   
   Note: The following steps assume that Windows NT Explorer is open.
   
   
8. Enable the Windows NT Explorer feature "Show All Files."
   
   Warning: This feature permits the modification of system files critical to the operation of Windows NT 4.0. Delete only the files listed in this procedure. Should you accidentally delete the wrong files, consult the Microsoft Online documentation section "Restoring Deleted Files", BEFORE restarting the computer.
   
   a. On the View menu, click Folder Options
   b. Click the View tab
   c. Click Show All Files (located under the Hidden Files folder).
   d. Click Apply
   e. Click OK
   
   
9. Delete the Xircom driver and Dynamic Link Library (.DLL) files copied to Windows NT during the CBE adapter installation.
   
   a. On the Tools menu, point to Find
   b. Click Files or Folder
   c. Type CBE*.* in the Named box
   d. Click Find
   e. Delete the following two files, if present:
   
   C:\WINNT\SYSTEM32\DRIVERS\CBE.SYS
   C:\WINNT\SYSTEM32\CBE.DLL
   
   
10. Delete the OEM files created during the Xircom adapter installation.
    
    a. On the Tools menu, point to Find
    b. Click Files or Folder
    c. Type OEM*.* in the Named box.
    d. In the Containing Text box (it may appear on the Advanced tab in some OEM versions of Windows NT 4.0) type CBE
    e. Click Find
    f. Delete the following two files, if present:
    
    --C:\WINNT\SYSTEM32\OEMNADx.INF (Note 1 - Multiple OEMNADx.INF files may appear in the search results windows. Delete only the OEMNADx.INF files where the seventh character "x" is a number 0 to n. DO NOT delete any OEMNADx.INF file where the seventh character is a letter of the alphabet.
    
    --C:\WINNT\INF\OEMx.INF (Note 2 - The OEMx.INF file has a corresponding OEMx.PNF file. In both of these files the "x" is a number 0 to n, and both use the same number. If an OEM1.INF (for example) appears as a result of the search, then a matching setup file OEM1.PNF is also present. Because it contains only machine code, it is not included in the search results; however, it must be deleted.)
    
    g. Double click the C:\WINNT\INF\ folder so that the folder contents appear in the right pane of Windows NT Explorer. Delete the matching OEMx.PNF file (confirm the file deletion if needed).
    
    Note: You may need to expand the WINNT folder to see the INFsubfolder. To expand the WINNT folder, click the "+" symbol next to the WINNT folder in the left pane of Windows NT Explorer.
    
    
11. Disable the Show all files feature to prevent inadvertent damage to critical system files.
    
    a. On the View menu, click Folder Options
    b. Click the View tab
    c. Click Show all Files (removes the active indicator).
    d. Click Apply
    e. Click OK
    f. Close Windows NT Explorer
    
    Warning: The next step may involve changes to the system registry. Incorrect changes to the system registry may cause the system to become unstable resulting in the loss of important data. For your protection, make a backup of the system registry and update the Emergency Repair Disk (ERD) before continuing. Use the Microsoft Online Documentation (Help files) sections "Backing Up the System Registry" and "Updating the ERD" to assist with this effort.
    
    
12. Open the Windows NT Registry Editor .
    
    a. Click Windows NT Start
    b. Click Run
    c. Type REGEDT32 in the Run box
    d. Click OK
    e. In the Registry Editor, click the HKEY_LOCAL_MACHINE title bar to make it the active window. These procedures modify registry entries on the HKLM page only.
    
    Note: In the following steps, HKLM refers to HKEY_LOCAL_MACHINE.
    
    
13. On the View menu, click Find Key
    
14. Type CBE in the Find box, and then click Find Next
    
15. If found:
    a. Click the CBE key (appears enclosed in a box)
    b. Delete it by pressing the computer's Delete key or click Delete on the Edit menu.
    c. Click OK to confirm the action
    d. Press the computers F3 key to continue the registry search.
    
    
16. Continue the process of locating and deleting the CBE keys until the message "Finished Searching the Registry " appears.
    
    Note: Specific registry locations for each Xircom CardBus entry are included for informational purposes. Using this information, it is possible to navigate the registry path to each key. However, this method is time consuming, which is why the find tool is recommended.
    
    --HKLM\HARDWARE\RESOURCEMAP\OtherDrivers\CBE
    --HKLM\SOFTWARE\Xircom
    --HKLM\SYSTEM\ControlSet001\Services\CBE
    --HKLM\SYSTEM\ControlSet001\Services\CBE1 (NOTE 1)
    --HKLM\SYSTEM\ControlSet001\EventLog\System\CBE
    --HKLM\SYSTEM\ControlSet00x\Services\CBE (NOTE 2)
    --HKLM\SYSTEM\ControlSet00x\Services\CBE1
    --HKLM\SYSTEM\ControlSet00x\Services\EventLog\System\CBE
    
    Note 1: In most cases, CBE1 is used, but the 1 can be any number 1 through n.
    
    Note 2: The "x" in ControlSet00x can be any number 2 through n.
    
    
17. Close the Registry Editor.
    
18. Shut down the computer and turn off computer power.
    
19. Turn on computer power and login to Windows NT.
    
    Warning: Windows NT is now ready for the installation of Windows NT Networking and the Xircom adapter. Some computers use third-party Card Services software to configure and manage PCMCIA adapters. In some cases special drivers are provided by Xircom to support this software. The README.TXT file, included with the Xircom adapter software, provides additional information on this subject.

Operating System:

Windows NT 4.0*

This applies to:

Xircom® CardBus Ethernet 10/100 Adapter (CBE-10/100BTX) Xircom® CardBus Ethernet II 10/100 Adapter (CBE2-100) Xircom® RealPort™ CardBus Ethernet 10/100 Adapter (RBE-100) Xircom® RealPort2™ CardBus Ethernet 10/100 Adapter (R2BE-100)