HP Pavilion dv6 - Page 128

I/O address (hex) System function (shipping configuration)
8080 - 809F USB UHCI Controller - 2935
80A0 - 80BF USB UHCI Controller - 2934
80C0 - 80DF USB UHCI Controller - 3938
80E0 - 80FF USB UHCI Controller - 2937
8100 - 8117 USB UHCI Controller - 2929
120 Chapter 6 Specifications