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Old 01-04-2011, 02:13 AM   #1
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Registered: Nov 2006
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How to check USB power usage in Linux

Linux OS: Ubuntu 10.10

In Windows, we can use Device Manager to check the power usage of my USB devices (like my WiFi adapter use 500mA). How to check this under linux?

The purpose of asking this question is just to learn.
Old 01-04-2011, 02:50 AM   #2
Registered: Apr 2006
Location: Nairobi
Distribution: CentOS
Posts: 78

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Have a look at hwinfo. It will give you pretty detailed information about your hardware. Although I haven't managed to get the power rating for my wireless card.
hwinfo --wlan


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