I purchased a Targus USB 4-Port hub for use with my iMac 24" computer (new), using iMac OS 10.5.2.There is a power input connector on the hub, but no mention of power requirements on the package Please describe need for power if any -- am assuming it may be needed for Mac portables? And source for power supply if power is needed.Thanks, John Brougher 214-368-7242, email johnbdal@att.net
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