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I have a usb 3  addon card and it doesn't show up in LL....Is usb 3 supported?

Hi,
I assume you mean a pci type card.?
To help, open a terminal and do the following commands, post the results back..

for usb3 I think you need to be seeing a driver xhci .?

A long time ago I fitted a serial card in a PC, would not work.
Till I figured out it had some protective film on the edge connector... :

(03-22-2016, 10:19 AM)Wirezfree link Wrote:Till I figured out it had some protective film on the edge connector... :

;D ;D ;D ;D Did it had a label attached to it saying Peel off before installation???

Quote:I have a usb 3  addon card and it doesn't show up in LL....Is usb 3 supported?

As an extra addition to the answers of Wirezfree. A USB device can be recognized as following (using your problem to identify USB 3.0)

Bus ***    Device ***:    ID xxxx:yyyy    Linux Foundation 3.0 root hub


So if you enter one of the mentioned terminal commands, look for a value similar as i proved. If you see a line ending with Linux Foundation 3.0 root hub then you now you have USB 3.0 support.

Linux started supporting USB 3.0 since kernel version 2.6.31, released in 2009.