Sinclair ZX Spectrum 16K

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The ZX Spectrum is remembered for its rubber keyboard, small compact size and distinctive rainbow motif. It was originally released in 1982 with 16 KB of RAM for £125 and later reduced to £99. Owners of the 16 KB model could purchase an internal 32 KB RAM upgrade.

Later issue machines required the fitting of 8 dynamic RAM chips and a few TTL chips. Users were able mail their 16K Spectrums to Sinclair to be upgraded to 48 KB versions. To reduce the price, the 32 KB extension used eight faulty 64 kilobit chips with only one half of their capacity working and/or available. External 32 KB RAM packs that mounted in the rear expansion slot were also available from third parties. The ZX Spectrum also had 16 KB of onboard ROM.

Our 16K Spectrum has blue-grey keys and a serial number of 002-679375.

Manufacturer: Sinclair
Date: 23rd April 1982



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Sinclair ZX Spectrum 16K Manuals:

Item Manufacturer Date
A Course in BASIC Programming - ZX80 Operating Manual Science of Cambridge 1980
Technology Research Disk Interface Manual Technology Research Ltd 1984
Servicing Manual for ZX Spectrum Sinclair Research Ltd Jan 1984
Sinclair ZX Spectrum +2 Manual Sinclair 1986
Spectral Manual (East German ZX Spectrum Clone) Hübner Elektronik 1988

Sinclair ZX Spectrum 16K Articles:

Item Manufacturer Date
Memories - The Tatung Einstein (1) Unknown
Memories - My History of Computing - From a School Teacher Feb 2009

Other Systems Related To Sinclair ZX Spectrum 16K:

Item Manufacturer Date
Prototype of MK14 Sinclair 1977
Science of Cambridge MK 14 + Original Keyboard Sinclair 1977
Science of Cambridge MK 14 - Original Kit Sinclair 1977
Science of Cambridge MK14 + Memory Expansion in wooden case Sinclair 1977
Science of Cambridge MK14 Sinclair 1977
Sinclair ZX80 8K Basic Sinclair 1980
Sinclair ZX81 with Basic EPROM Sinclair 1980
Sinclair ZX80 Prototype PDZ 4732 Basic ROM - Nine Tiles Sinclair 1980
Sinclair ZX80 Updated to ZX81 Sinclair 1980
Sinclair ZX80 Sinclair 1st June 1980
Sinclair ZX81 Kit Sinclair 1981
Sinclair ZX Spectrum Prototype Sinclair 1981
Sinclair ZX81 Sinclair 1981
Sinclair ZX81 - Signed by Rick Dickinson Sinclair 5th March 1981
Sinclair ZX81 with Custom Case/Keyboard Sinclair 5th March 1981
Argentinian Sinclair Spectrum Sinclair 1982
Sinclair Spectrum with Homemade Keyboard Sinclair 1982
White Replica ZX Spectrum (Millionth Edition) Sinclair 1982
Early Sinclair ZX Spectrum Computer Sinclair 1982
Timex Sinclair 1000 Sinclair 1982
Sinclair ZX Spectrum Console Sinclair 1982
ZX Spectrum Issue 2 With ULA Modification Sinclair 1982
Timex Sinclair 1500 Sinclair 1982
Sinclair ZX Spectrum 48K (BBC) Sinclair 1st March 1982
Sinclair ZX Spectrum Case (Signed) Sinclair 1st March 1982
Sinclair ZX Spectrum Computer - Early Issue Sinclair 23rd April 1982
Sinclair ZX Spectrum 48k Sinclair 23rd April 1982
Sinclair Spectrum (Assembled in Portugal) Sinclair 1983
Sinclair QL + Schön Keyboard Sinclair 1984
Sinclair QL (German) Sinclair 1984
Sinclair QL (Signed) Sinclair 1984
Sinclair QL (US) Sinclair 1984
Sinclair QL (Property of Sinclair) Sinclair 1984
Sinclair QL Sinclair 1984
Sinclair ZX Spectrum+ Sinclair 1st June 1984
Sinclair ZX Spectrum +2 Sinclair 1986
Sinclair ZX Spectrum 128 Sinclair January 1986
Cambridge Z88 All In One Pack Sinclair 1987
Sinclair ZX Spectrum +3 (Currys Box) Sinclair 1st June 1987
Sinclair ZX Spectrum +3 Sinclair 1st June 1987
Sinclair PC200 Sinclair 1988
Cambridge Z88 With PC Link Kit Sinclair 1988

This exhibit has a reference ID of CH11245. Please quote this reference ID in any communication with the Centre for Computing History.

 

Sinclair ZX Spectrum 16K

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