The invention relates to organopolysiloxane compounds containing per-molecule at least one structural unit of general formula O3-a2RaSi\u2014Yb, wherein R can be identical or different and represents an organic monovalent SiC-bonded group which comprises from 1 to 30 carbon atoms and can contain one or several O atoms, a is 0 or 1 and b is an integer number ranging from 1 to 11. Provided are graphics adapters, each of which has two frame buffers, so as to correspond to the sub-screens of the display device. The invention further comprises a method and apparatus which allows the use of any remaining network capacity for non time-critical data movement without the need for centralized access management. In some embodiments, the tunneled information relates to configuring a wireless link between the host device and the accessory. The light mounting member further includes a plastic clipping ring mounted in the central through hole of the light mounting member, and then the light unit is clipped in the central through hole of the plastic clipping ring.