Re: which command can show if usb 3.0 is used

[Geoff <unit735@bigpond.com>]

Geoff wrote:
> Long Wind wrote:
> > Thank Geoff! with usb3 disk plugged to lenovo running buster
> > i see msg below, but i'm not sure if usb3 is used
> >
> > May 31 10:21:18 debian kernel: [13385.174292] usb 5-6: new high-speed USB device number 12 using ehci-pci
>
> Definitely looks like usb 2, the ehci driver also points to this. Is the interface on the PC usb 3?
>
> What kernel are you running, mine seems to use the xhci driver even for usb 2.

Further to this if I understand correctly your usb controller is ehci which means it can only do usb 2, does the motherboard have any other connectors?