[geeks] Unusual Problem with KVM

Mark md.benson at gmail.com
Thu Jan 10 17:41:09 CST 2008


On 10 Jan 2008, at 23:30, Sridhar Ayengar wrote:

> Hi.  I have a monitor (Mitsubishi Diamond Pro 2040u) which has a
> built-in USB KVM switch.  When one of the computers on the switch puts
> it into power-save mode, and the other is still providing signal, its
> normal behavior is to automatically switch to whichever computer is
> still providing signal.
>
> This is normally just fine, but it leads to a problem.  One of the  
> boxes
> I have connected to the switch has fallen asleep.  If I hit the
> switch-upstream button on the front of the monitor, the monitor  
> detects
> that it isn't getting signal from the other input, and immediately
> switches back to the machine I was just working on.  This means I  
> can't
> wake up the other machine.
>
> I don't even think it gets to the point of reconnecting the USB  
> devices
> to the other upstream, so I don't believe that a USB doohickey that
> would wake up a computer as soon as it is plugged in would work.  It
> just wouldn't even have the chance.
>
> Any ideas?  This seems really stupid.

Cheap keyboard on the wall and a softball on a string. ;)

Seriously though... have you tried hitting a key repeatedly (like  
shift) as you switch the KVM over?  It might be reconnecting for a  
fraction of a second and you are missing it.


-- 
Mark Benson

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