ELFII IC list, visual from Ed Keefe's board and from ElfII assembly manual Herb Johnson Sept 2024 A1 2101 or 87556 256X4 RAM A2 2101 or 87556 256X4 RAM A3 CD4016 quad switches A4 CD4016 quad switches A5 CD4023 3 input NANDs A6 CDP1802 COSMAC processor A7 CD4050 non-inverters A8 F9368PC LED 7-seg driver A9 74C173 (CD4076 on mine?) A10 74C922, 74C923 keypad scanner A11 CD4050 non-inverters A12 F9368PC LED 7-seg driver A13 CD4049 inverters A14 CDP1861 video chip A15 74L00 (74LS00?) as oscillator A16 7474 as clock divider A17 CD4013 flipflops