Hi, You can look into /proc/bus/usb/devices If you see EHCI controllers there, then at least some ports are USB 2.0. Rudolf -----Original Message----- From: redhat-list-bounces@xxxxxxxxxx [mailto:redhat-list-bounces@xxxxxxxxxx]On Behalf Of Barry Gamblin Sent: Wednesday, December 22, 2004 5:13 AM To: redhat-list@xxxxxxxxxx Subject: usb ports Is there any way to tell on a running system if the usb ports are usb-1 or usb-2? The motherboard is a supermicro p4dp8-g2, and the manual doesn't say, so I'm assuming they are usb-1. But I thought I would ask if any of the /proc info would tell me. Thanks, Barry -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list