Don 

What do you mean by powerhub?  

If you mean an a.c. powered one rather than one powered by the usb port 
itself, it will give you greater reliability and performance as it isn't 
sapping the power of the pc.
Portable hubs (that means ones drawn their power from the pc itself) are 
nice in mobile or portable situations; but when a pc is at a permanent 
location and you need to power too many usb gadgets for available ports, I 
would always suggest using a hub that draws electrical power.

As an example, I used to use a 4-slot portable hub on a desktop.  One of 
the devices connected was a wireless keyboard.  I got frequent pc freezes 
and Icouldn't diagnose the problem.  Then, quite accidentally, I plugged 
the keyboard into a 7-slot usb hub, that was electricly powered, and no 
further problems.

When you think about all this, it makes sense.  The pc can generate only 
so much energy; and a hub is asking a pc to do more than perhaps it was 
designed to do from a power standpoint, especially when you plug in a hub.





Just as obedience to the Lord is an indication of our love for him, so is it also
a proof of ourfear of God.
Jerry Bridges


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