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* Sound: AY-3-8912 3 channel, 8 octave Programmable Sound Generator and "beeper". Modulated onto video signal. | * Sound: AY-3-8912 3 channel, 8 octave Programmable Sound Generator and "beeper". Modulated onto video signal. | ||
* Keyboard: 58 plastic keys with metal springs, operating a plastic membrane. | * Keyboard: 58 plastic keys with metal springs, operating a plastic membrane. | ||
* I/O: Software controlled RS232 serial port. AUX Port. Tape In (ear) and Tape Out (mic). Two Sinclair SJS Joystick Ports. Parallel Printer Port | * I/O: Software controlled RS232 serial port. AUX Port. Tape In (ear) and Tape Out (mic). Two Sinclair SJS Joystick Ports. Parallel Printer Port. [[ZX Spectrum +3/2A/2B Edge Connector|Expansion I/O port]]. | ||
=====+3 specific hardware===== | =====+3 specific hardware===== |