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Old 06-07-2010, 05:36 PM   #1
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Registered: Jan 2010
Location: Vancouver Isle.
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is my USB port 2.0 or 1.1?

I'm cleaning up a tower that has old motherboard..It has 6 USB ports with only 1 being 2.0,but i don't know which one..The manual is of no help..Is there a command that determines whether the USB port that a pendrive is plugged into is 2.0 or 1.1?...I've tried several,but i'm still learning unix commands, and had no luck...

Last edited by Araxa; 07-10-2010 at 02:18 AM.
Old 06-07-2010, 05:38 PM   #2
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Try lsusb and compare that to the current port using your device. Typically it also specifies that information in the motherboard manual.
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Old 06-07-2010, 05:47 PM   #3
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if you type in lsusb -t you will get something similar to the following.
 Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ohci_hcd/10p, 12M
    |__ Port 2: Dev 2, If 0, Class=HID, Driver=usbhid, 1.5M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/10p, 480M
    |__ Port 4: Dev 3, If 0, Class=stor., Driver=usb-storage, 480M
at the end you will see what the speed of that bus is.
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