adding keyboard after reboot with no keyboard ...

Chuck Swiger cswiger at
Tue Apr 10 16:25:35 UTC 2007

On Apr 10, 2007, at 7:55 AM, Marc G. Fournier wrote:
> I hate it when a subject doesn't easily present itself ... but ...
> Is there something that I'm missing, such that if I add a keyboard  
> to a server
> *after* rebooting it with no keyboard, that will have that keyboard  
> recognized?
> Basically, I have several remote servers, with no keyboards, but if  
> I need a
> tech to check something on the console (ie. the ethernet went down  
> for some
> reason), when they plug a keyboard back in again, there is no  
> signal until they
> actually power cycle the machine ... which of course, is too late  
> to do any
> diagnosis :(

You should be able to add a USB keyboard and have it be recognized,  
at least by the newer versions of FreeBSD.

If you're talking about a PS/2 keyboard, probably not...the BIOS  
recognizes and configures them at boot time, and if one isn't present  
then, the resources aren't allocated for one to be added later.  You  
should also be aware that PS/2 isn't a "hot plug" interface-- some  
people have blown fuses on their motherboards by hot-plugging a PS/2  
keyboard while the system is running.  Someone's suggestion about  
using a KVM is a good thought, however...


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