on the system motherboard 400 from the system motherboard a separate power line 405 is provided to the mini pci card 405 video signal 410 is provided back to the system motherboard 400 by the mini pci card 405 interconnecting the mini pci card 405 and the system motherboard 400 is an lpc bus 310 the lpc bus 310 is a separate connection from the mini pci connection provided in the standard mini pci form factor now referring to fig5 illustrated is the system architecture for the form factor of the computing system it is planned that the wireless communication or communication bus 345 will be placed on a mini pci card or similar along with the wireless communication device 345 the pda system 340 will also reside on the mini pci card lpc bus 310 connects to the system motherboard a mini pci interface bus 300 will connect the mini pci card in particular the wireless communication device 345 to the south bridge controller of the pc system the pc system is expected to reside on the system motherboard the pc system includes the south bridge controller 110 north bridge controller 105 and the cpu 100 the south bridge control 110 is connected to the north bridge controller 140 by a pci bus 140 north bridge control in turn is connected to the.