.... Integrated Circuit - PIC16C74 A/JW by Microchip, EPROM based

.... Integrated Circuit - 27C1001-12, 128KBytes, UVEPROM, 120nsec, 32pin,CERDIP

.... Integrated Circuit - NM232C (an RS232) Transmitter/Receiver

.... Integrated Circuit - P8039-6 a vintage Intel 8-bit microcontroller

CN36085N - SIGNETICS - Integrated Circuit

CN36084N - SIGNETICS - Integrated Circuit

C2346N - SIGNETICS - INTEGRATED CIRCUIT

N82S123AN - SIGNETICS IC-256-BIT TTL bipolar PROM 32x8, DIP-16, PROGRAMMED.