lou wrote: > sorry, i use wrong word > > i mean wifi adapter, not wifi card > > in Chinese, it's called wireless card, though it's really USB wifi adapter I think you are looking for usb/WUSB-Design-overview.txt which I found with grep -r -i wireless usb/ otherwise grep -r -i wireless . points to different aspects ABI, Netowrking, USB drivers etc. -- FCD6 3719 0FFB F1BF 38EA 4727 5348 5F1F DCFE BCB0