Hi, On Tuesday 19 June 2012 19:20:59 Alexander Yerenkow wrote: > bInterfaceClass = 0x00ff > bInterfaceSubClass = 0x00ff > bInterfaceProtocol = 0x00ff This indicates a propritary protocol is used. Try searching google for idVendor = 0x0d8c idProduct = 0x5200 Maybe you find the correct quirks you need for sys/dev/usb/quirk/usb_quirk.c --HPS