>C=Y TM=1 BM=66 LM=2 RM=80 J=NModel 4 Memory Modification for Non Green Screen typesParts List>C=NMOD4FIG5/TXTChip #    Piggy back #       Type 1         U41P               74LS2442         U37P               74LS2733         U35P               74LS1574         U63P               74LS1575         U25P               74LS326         U53P               74S747         U39P               74LS328         U12P               74S869         U27P               74S0810        U14P               74S0811        U75P               74LS15712        U76P               74S4213        U63P               74LS15714        U64P               74S0815        U29P               74S26016        U31P               74S1117        U61P               74S0418        U20P               74S32DUP1      On Daughter Bd.    HD64B180R0P                                