AMDTM AGP Tunnel Data Sheet Rev - July TM AMD Cover page HyperTransportTM AGP3. 0 Graphics Tunnel Data Sheet. The model numbers will already be in place when AMD launches its tunnel, and the AMD HyperTransport AGP graphics tunnel. included an AMD(tm) Graphics Tunnel, with a core logic component based on. AGP-8x and HyperTransport(tm) technologies, and a SiS Xabre AGP-8x.