[geeks] Unusual Problem with KVM

[Sridhar Ayengar]

Phil Stracchino wrote:
> 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.
> 
> Can you enable wake-on-LAN and ping it?

How would I go about that?  Remember that the machine isn't actually 
asleep.  It has just turned the monitor off.

Peace...  Sridhar