Keyboard Boot Disable

Lucas Holt luke at
Tue Apr 25 22:27:57 UTC 2006

I worked with someone once that said they blew out the ps/2 port on  
the motherboard.  As an alternative, maybe you could consider a kvm  


On Apr 25, 2006, at 4:22 PM, Cole wrote:

> Hi.
> I realised I forgot the version after I mailed. Im speaking about  
> FreeBSD 4.11. Also by blowing the
> machine up, what exactly do you mean? You end up blowing the  
> motherboard? Or the keyboard? Or
> specifically what?
> Regards
> /Cole
> -----Original Message-----
> From: Brooks Davis [mailto:brooks at]
> Sent: Tuesday, April 25, 2006 10:13 PM
> To: Cole
> Cc: freebsd-hackers at
> Subject: Re: Keyboard Boot Disable
> On Tue, Apr 25, 2006 at 10:10:55PM +0200, Cole wrote:
>> Hi.
>> I have a large amount of servers, and the problem is, that when I  
>> need
>> to plug a keyboard into them, the keyboard is disabled since they
>> werent booted with a keyboard.
>> I was wondering if anyone has some idea of how to disable the  
>> keyboard
>> probe at boot and make it so that the OS thinks that the keyboard is
>> present even if its not plugged in, so that a keyboard can be plugged
>> in at any stage, and will function normally.
>> Im speaking specifically for ps2 keyboards. Is this even possible, or
>> are there architecture problems or something else relating to this
>> that would make this impossible?
>> If this is possible, could someone please point me in the correct
>> direction as to which code I would need to look at to make this
>> possible?
> What version of FreeBSD are you running?  This hasn't been the case by
> default for ages.  As a warning, PS2 keyboards are not electricaly
> designed to be hotplug so you may blow your machine up by doing this
> (says someone who does it all the time).
> -- Brooks
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Lucas Holt
Luke at
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