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ZX Spectrum Specifications


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Specifications

Firmware:

3.54 MHz Zilog Z80A CPU

  16K / 48K RAM (later 128K RAM)
Display: 32 x 22 character text display
  256 x 192 pixel resolution
  8 colours
Sound: 1 channel, 5 octave (16/48K Spectrums)
  3 channel, 7 octaves (128K Spectrums)
I/O: Z80 bus, tape, RF television (All Spectrums)
  External numeric keypad (Spectrum 128)
  RS232 - Midi Out, RGB, Joystick (Spectrum 128, +2, +2A, +3)
Storage: Built-in tape recorder (Spectrum +2, +2A)
  Build-in 3" disk drive (Spectrum +3)
Chris Owen 1994-2003