Controller /dev/usb0: addr 1: high speed, self powered, config 1, EHCI root hub(0x0000), NetBSD(0x0000), rev 1.00(0x0100) Hub(0x09), Hub(0x00), proto 1 port 1 addr 2: high speed, self powered, config 1, Rate Matching Hub(0x0024), Intel(0x8087), rev 0.00(0x0000) Hub(0x09), Hub(0x00), proto 1 port 1 powered port 2 powered port 3 powered port 4 powered port 2 powered Controller /dev/usb1: addr 1: high speed, self powered, config 1, EHCI root hub(0x0000), NetBSD(0x0000), rev 1.00(0x0100) Hub(0x09), Hub(0x00), proto 1 port 1 addr 2: high speed, self powered, config 1, Rate Matching Hub(0x0024), Intel(0x8087), rev 0.00(0x0000) Hub(0x09), Hub(0x00), proto 1 port 1 powered port 2 addr 3: high speed, self powered, config 1, USB 2.0 Hub(0x0101), Terminus Technology(0x1a40), rev 1.11(0x0111) Hub(0x09), Hub(0x00), proto 1 port 1 addr 4: full speed, power 98 mA, config 1, USB Receiver(0xc534), Logitech(0x046d), rev 29.01(0x2901) port 2 powered port 3 addr 5: high speed, self powered, config 1, USB-SATA Bridge(0x00a8), BUFFALO(0x0411), rev 1.00(0x0100), serial ... port 4 addr 6: low speed, power 100 mA, config 1, USB NetVista Full Width Keyboard(0x3025), CHICONY(0x04b3), rev 1.02(0x0102) port 3 powered port 4 powered port 5 powered port 6 powered port 2 powered