A bridge includes a first port connected to a Primary bus, and second ports respectively connected to second buses. The first port includes a PCI master, a PCI slave and an AGP master. Each of the second ports includes a PCI master, a PCI target and an AGP Target. The bridge further includes a plurality...http://www.google.de/patents/US6675251?utm_source=gb-gplus-sharePatent US6675251 - Bridge device for connecting multiple devices to one slot
