USB physical ports

Ernie Luzar luzar722 at gmail.com
Thu Sep 10 15:42:56 UTC 2015


Hello List;

I have 6 physical ports on my PC box. The boot time messages seem to say 
that one of those ports is 480Mbps High Speed USB v2.0.

How do I determine which physical USB port is the 480Mbps High Speed port?

The following are the boot time messages about USB ports

uhci0: <Intel 82801EB (ICH5) USB controller USB-A> port 0xff80-0xff9f 
irq 16 at device 29.0 on pci0 usbus0 on uhci0

uhci1: <Intel 82801EB (ICH5) USB controller USB-B> port 0xff60-0xff7f 
irq 19 at device 29.1 on pci0 usbus1 on uhci1

uhci2: <Intel 82801EB (ICH5) USB controller USB-D> port 0xff20-0xff3f 
irq 16 at device 29.3 on pci0 usbus2 on uhci2

ehci0: <Intel 82801EB/R (ICH5) USB 2.0 controller> mem 
0xffa80800-0xffa80bff irq  23 at device 29.7 on pci0
usbus3: EHCI version 1.0 usbus3 on ehci0

usbus0: 12Mbps Full Speed USB v1.0
usbus1: 12Mbps Full Speed USB v1.0
usbus2: 12Mbps Full Speed USB v1.0
usbus3: 480Mbps High Speed USB v2.0

ugen3.1: <Intel> at usbus3
uhub0: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus3
ugen2.1: <Intel> at usbus2
uhub1: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus2
ugen1.1: <Intel> at usbus1
uhub2: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1
ugen0.1: <Intel> at usbus0
uhub3: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0


Root mount waiting for: usbus3 usbus2 usbus1 usbus0
uhub2: 2 ports with 2 removable, self powered
uhub3: 2 ports with 2 removable, self powered
uhub1: 2 ports with 2 removable, self powered
Root mount waiting for: usbus3
Root mount waiting for: usbus3
Root mount waiting for: usbus3
uhub0: 8 ports with 8 removable, self powered





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