n u201d such as 1 and when this number is reached no further non posted requests are provided to the transmitter 544 specifically as a non posted request is sent a count is incremented in the address decoder portion 562 of the pci to pci bridge 548 as responses are received by the pci to pci bridge 548 this count is decremented when the count is reached further non posted requests are held by the address decoder 562 this avoids the deadlocked condition described above fig6 is a flowchart further describing this specific embodiment of the present invention in act 610 a posted request is received from a video capture card in act 620 the address associated with the request is decoded and a determination of whether the request is peer to peer or to be written to the system memory is made if it is not a peer to peer request that is it is data to be written to the system memory it is sent as a posted request in act 680 if it is a peer to peer request the request is converted to a non posted request in act 630 in act 640 it is determined whether the number of pending non posted requests is equal to a predetermined or programmable number of allowable pending non posted requests such as 1 or another number in act 650 if the count has not reached this number u201c.