we not talking usb in this thread... we talking 
adb :) unless you know how to build a NUBUS USB 
card....

there *IS* a voltage issue with adb keyboards, as 
the Power Key. press it, it connects 2 pins and 
sends voltage to the mac to tell it to power on

----------
From:   Glen McKnight
Sent:   17 February 2004 12:48
To:     PCI PowerMacs
Subject:        [PCI] Re: Can you plug the keyboard 
cable in whilst computer is running?


On Sunday, Feb 15, 2004, at 22:04 Europe/London, 
Tom W. wrote:

> Is it bad to plug or unplug the keyboard while 
the machine is running?
> The reason I ask is, I have two Macs I would 
like to share a keyboard
> if
> possible. I want to share a keyboard between a 
7600 and an 8100.
> Thanks
> Tom
>

HI

It is not a good idea - there is a voltage issue 
here, I think there is
a 5 volt trickle charge through the keyboard 
(Someone will correct me
if I am Wrong), if you misalign when plugging in 
you could find
yourself with no k/b and possibly no adb on one 
of your macs. Unless
you have USB cards in both macs, and are talking 
about USB k/bs, as the
USB is hot swappable.

Glen


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