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US. Patent Jul. 14, 1998 Sheet 1 of 14 5,781,434 CONSOLE 70 4-H TELEPHONELINE I00 V Igowggg?gggvmw A“ l5 \ T~ )0 MODEM 72 I I7 7| SERVICEPROCESSORBOAHD \ II \ I CPU <-—> AsYNcRRo- Q, NOUS INTERFACE '4 L '8 I / POWER I9 ‘6 j BUSINTERFACE ANDBUSMONITOR _ SUPPLYSIGNAL GENERATION UNIT NIoNIToR N73 30 CONNECTOR‘ 32 BUS / II 3 # I 52 BRIDGE I POWER SUPPLY INTERFACE 54 HOSTBUS / t 5‘ \ MAIN STORAGE 3' Z t : FAILURE INFORMATION 3” 5O CPU / sYsTEII/I BOARD I00! I ‘ POWER SUPPLY
