Quantity   Component name
1 × Z80 CPU, min 4 MHz, preferably CMOS processor for the system made by zilog
1 × 74HC42 Selects chips & boards, could be replaced by similar chips.
1 × System Board Solder together on a protoboard
5 × 1k resistor used for pull up and pull downs
3 × 330 ohm resistor allows LEDs to run at 5 volts
3 × Assorted LEDs to indicate what the computer is doing
1 × button To reset the system
1 × 4MHz clock for Z80
1 × IDT 71256 32KiB of RAM
1 × AT28C256 EEPROM for OS/BIOS, also functions as an SSD