On 02/16/2017 11:58 AM, Jerry Geis wrote: > When I plug in my device which is USB 2.0 into a 3.0 slot (cause that is > all I have) > [495042.943074] usb 5-2: new low-speed USB device number 6 using xhci_hcd > [495043.100076] usb 5-2: device descriptor read/64, error -71 > > I receive the above error. > > Is there a flag or setting that tells the USB to in a 2.0 mode ? You should be able to use USB2 devices in a USB3 port with no issues, as others have said, they use different pins and both are there. I have never seen anyone have to do anything to use USB2 devices on a USB3 port except plug it in. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 198 bytes Desc: OpenPGP digital signature URL: <http://lists.centos.org/pipermail/centos/attachments/20170217/d3aa96f6/attachment-0005.sig>