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799 bytes removed ,  10:52, 3 June 2011
Redirected page to ZX Spectrum+ 128K
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[[Category:Hardware]]
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#REDIRECT [[ZX Spectrum+ 128K]]
[[Category:Spectrum]]
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For other models of 128K Spectrum see [[ZX Spectrum 128K models]]
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==Hardware==
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*Processor: Zilog Z80A microprocessor clocked at 3.5469MHz.
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*ROM: 32KB ROM, arranged in 2 pages of 16KB.
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*RAM: 128KB of Dynamic RAM, arranged in 8 pages of 16KB.
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*Graphics: 256 x 129 pixels, 16 colours, attribute based. See [[Spectrum Video Modes]].
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*Sound: [[AY-3-8912]] 3 channel, 8 octave Programmable Sound Generator and "beeper". Modulated onto video signal.
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*Keyboard: 58 plastic keys above a rubber pad and plastic membrane. Optional editor keypad.
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*I/O: Software controlled RS232 serial port. Keypad Port. Tape In (ear) and Tape Out (mic).
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==Timings==
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Memory timings and contention are described in detail in the [[Contended memory#128K .2F .2B2|contended memory article]]
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==Paging==
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==Keypad==
 

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