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Hardware I.P.B. 4138 5th October 1994 (MT)
Department Category Implementation
Hardware Software Advisory
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XEN-PC Systems - Keyboard Not Responding on Boot-up

Please be aware that a number of systems in the XEN-PC range have been shipped with the pre-installed autoexec.bat file containing two lines that run the mouse driver, as follows:

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SET MOUSE=C:MOUSE
C:\MOUSE\MOUSE.EXE /q

The effect of this is twofold.

  1. The mouse driver is always loaded, whether it is required or not.
  2. If the system is booted without a mouse connected, the keyboard may not respond.

The pre-installed software has now been amended such that these two lines are present but REM'd out. In future, therefore, the mouse driver will not be loaded automatically and the keyboard will function correctly after booting up without a mouse connected. If the user requires the mouse driver installed, remove the REM statement from these two lines and connect a mouse.

In the meantime, please note that a mouse may need to be connected at boot time, and that if you do not want to load the mouse driver, the two lines described above should have REM statements inserted as follows:

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REM SET MOUSE=C:MOUSE
REM C:\MOUSE\MOUSE.EXE /q

Once this change has been made you will be able to boot the system without a mouse connected.

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Computing for a Connected World