| 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) |
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