[dean@Stratus /usr/home/dean]$ dmesg | grep uhci
uhci0: <UHCI (generic) USB controller> port 0x20a0-0x20bf irq 21 at device 29.0 on pci0
uhci0: [GIANT-LOCKED]
uhci0: [ITHREAD]
usb0: <UHCI (generic) USB controller> on uhci0
uhci1: <UHCI (generic) USB controller> port 0x2080-0x209f irq 19 at device 29.1 on pci0
uhci1: [GIANT-LOCKED]
uhci1: [ITHREAD]
usb1: <UHCI (generic) USB controller> on uhci1
uhci2: <UHCI (generic) USB controller> port 0x2060-0x207f irq 18 at device 29.2 on pci0
uhci2: [GIANT-LOCKED]
uhci2: [ITHREAD]
usb2: <UHCI (generic) USB controller> on uhci2
uhci3: <UHCI (generic) USB controller> port 0x2040-0x205f irq 16 at device 29.3 on pci0
uhci3: [GIANT-LOCKED]
uhci3: [ITHREAD]
usb3: <UHCI (generic) USB controller> on uhci3
[dean@Stratus /usr/home/dean]$ dmesg | grep ohci
fwohci0: <Lucent FW322/323> mem 0x50000000-0x50000fff irq 19 at device 3.0 on pci3
fwohci0: [FILTER]
fwohci0: OHCI version 1.0 (ROM=0)
fwohci0: No. of Isochronous channels is 8.
fwohci0: EUI64 00:1b:63:ff:fe:8c:ae:92
fwohci0: Phy 1394a available S400, 3 ports.
fwohci0: Link S400, max_rec 2048 bytes.
firewire0: <IEEE1394(FireWire) bus> on fwohci0
fwohci0: Initiate bus reset
fwohci0: BUS reset
fwohci0: node_id=0xc800ffc0, gen=2, CYCLEMASTER mode
[dean@Stratus /usr/home/dean]$ dmesg | grep ehci
ehci0: <Intel 82801GB/R (ICH7) USB 2.0 controller> mem 0x50445400-0x504457ff irq 21 at device 29.7 on pci0
ehci0: [GIANT-LOCKED]
ehci0: [ITHREAD]
usb4: <Intel 82801GB/R (ICH7) USB 2.0 controller> on ehci0
[dean@Stratus /usr/home/dean]$