• 1
    Soldering the main components

    Layout your sockets on the pcb and solder.

  • 2
    Connecting the wires

    ZX          EEPROM

    Memrq -> oe

    A0-A13 -> A0-A13

    D0-D7 -> D0-D7

    5v/gnd -> 5v/gnd

    Pull the eeprom we and a14 high. 

    Connect the the zx a14 and a15 to pin 1 and 2 of the 74ls32 then pin 3 to ce pin of the eeprom. Also Connect the 74ls32 to 5v and gnd.

    Pull zx memrq high. 

    This will allow you to play burnt eeproms on the zx spectrum. 

  • 3
    Toggling the interface

    Using a double throw switch connect similar to below

    X  -------- 5v

      |             |

    Memrq---74ls32 pin 5

      |              |

    5v---------gnd

    Connect pin 3 to pin 4 of 74ls32.

    Finally connect pin 6 of the 74ls32 to the ce pin of the eeprom.

    Now you can toggle between zx spectrum and the new eeprom interface!