{TAIL ~ A peripheral interface unit} 18 is coupled to system bus 12 for interfacing system bus 12 to each of a plurality of peripherals such as {HEAD ~ peripheral} 34, peripheral 36 and peripheral 38 via a peripheral bus 32 
{ TAIL ~ A peripheral interface unit } 18 is coupled to system bus 12 for interfacing system bus 12 to each of a plurality of peripherals such as { HEAD ~ peripheral } 34 , peripheral 36 and peripheral 38 via a peripheral bus 32
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH