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The Machine Room is Back!
This is the recovered Machine Room from 2005. Please don't expect wonders. The look and feel of this site is nine years old, and so is its code. Some of the functionality has been recovered while the rest of the site is modernised and restructured. Watch this space!
Top :: Browse :: Sinclair :: ZX-81


[Image: ]
Hundreds of thousands of people first discovered computing through this tiny black box with the membrane keyboard.
200x163 JPEG file (11.4 KiB). Contributed by alexios (more pictures like this). Rated 1.00 (1 vote).
Source: unknown
Entry quality: 1 | Rate this entry: Rated 0.75 (4 votes). | 10553 hits | Admin: alexios
No known owners (I still own one | I used to own one). I have seen one.
Search Google or Ebay United States for Sinclair ZX-81 (more links, auctions & searches)
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Pricing 149.95 USD (United States, 1981), 298.00 DEM (Germany, 1981), 398.00 DEM (Germany, 1981), 49.95 GBP (United Kingdom, 1981), 69.96 GBP (United Kingdom, 1981), 985.00 FRF (France, 1981), 99.95 USD (United States, 1981)
Emphasis First contact, Gaming
Timeline Production halted: 1982, Released: 1981
CPU type Z80A
CPU word length 8 bits
CPU clock rate 3.25 MHz
ROM Size 8 KiB
RAM Size 1 KiB
Number of keys 40
Graphics modes 64x48x2
Text modes 32x24x2
Total number of colours 2
Cassette tape speed 250 bps
I/O Ports Expansion, TV output, Tape recorder

More technical info...


Thanks go to the following people for contributing information to this entry.