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How to view USB device power Flow

Source: Internet
Author: User
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I know that USB mouse and keyboard, mobile hard disk requires the main pull USB interface to provide current to work, but do not know how to view ah?

A: After starting the computer into the system, into the "Device Manager" in the "Universal Serial Bus Controller" to find "USB ROOT HUB", if your USB device is not a lot of relationship, it can display the devices of each USB interface. Then go to "Properties", select the "Power" flag, USB power consumption can be at a glance. If you want to know USB bandwidth, you can go to the "Universal Serial Bus Controller" to find the name of their own computer, such as AMD Athlon64 3000+/DMB USB2.0 enhanced Host controller–24d, and then select the "Advanced" logo can

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