How to Disable Detection of Devices on Serial Ports

MORE INFORMATION

1. Make a backup copy of the Boot.ini file.
2. Remove the hidden, system, and read-only attributes from the Boot.ini file.
3. Using a text editor (such as Notepad) open the Boot.ini file.
4. Add the /NoSerialMice option to the end of each entry in the [operating systems] section of Boot.ini. See the example below for more information.
5. Save Boot.ini and quit Notepad.
6. Restore the hidden, system, and read-only attributes to the Boot.ini file.
7. Shutdown and restart Windows NT.

   [boot loader]
   timeout=3
   default=multi(0)disk(0)rdisk(0)partition(1)\WINNT35

   [operating systems]
   multi(0)disk(0)rdisk(0)partition(1)\WINNT35="Windows NT Workstation
      Version 3.51" /NoSerialMice

   multi(0)disk(0)rdisk(0)partition(1)\WINNT35="Windows NT Workstation
      Version 3.51 [VGA mode]" /basevideo /sos /NoSerialMice
				

NoSerialMice Syntax

/NoSerialMice          - Disables the detection of serial mice on
                         all COM ports.

/NoSerialMice:COMx     - Disables the detection of serial mice on
                         COM x, where x is the number of the port.

/NoSerialMice:COMx,y,z - Disables the detection of serial mice on
                         COM x, y and z.