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Power requirement for USB flash drives?


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On my p5qturbo, virtually the same board as yours, I'm only able to drive a single 16GB thumb drive off the back case connectors or one of the two USB leads off of the motherboard. The other USB lead off of the motherboard can only supply enough power to drive up to and including 8GB thumb drives. Doesn't matter what brand of 16GB thumb drive is plugged in; the board alone will not supply enough power through one of the motherboard connectors to drive it. Trying to plug in any brand 16GB thumb drive and a second thumb drive doesn't work either, get the Window's message everytime, the "Hub power exceeded" warning, on any connector. Using a powered hub, everything's fine.
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