The card is ideal for testing, repairing and programming on the ZX Spectrum

•  Small in size, compact to fit onto ZX Spectrum edge connector
•  64KB memory capacity: Up to 4 optional 16KB ROMs
•  Select ROM by rotating BCD DIP switch, position 0-3
•  Completely through bus to connector identical to ZX Spectrum edge connector
•  Generator and NMI signal button
•  RESET button

External ROM card 64KB
External ROM card 64KB
External ROM card 64KB
External ROM card 64KB
     External ROM card 64KB: