also, looks like usb port is 1.1:
# lsusb Bus 004 Device 002: ID 1131:1004 Integrated System Solution Corp. Bluetooth Device Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
also, looks like usb port is 1.1:
# lsusb
Bus 004 Device 002: ID 1131:1004 Integrated System Solution Corp. Bluetooth Device
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub