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Sinclair ZX81 computer – Refurbished and Upgraded to 32K RAM and HRG Ready

£119.99

Thanks for looking at our Sinclair ZX81 computer – Refurbished and Upgraded to 32K RAM and HRG (Hi Res Graphics) Ready!

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Description

Thanks for looking at our Sinclair ZX81 computer – Refurbished and Upgraded to 32K RAM and HRG (Hi Res Graphics) Ready!

Condition is Seller refurbished.

We’ve performed the following work on this little beast:

  • New Membrane
  • 2C184E ULA with Heatsink
  • Electrolytic capacitors changed for new quality aluminium types
  • New DC converter to replace ageing 7805 Regulator
  • Added custom PCB to add composite video and back porch for new TV’s
  • Added custom 32K SRAM upgrade with HRG8 support (Hires Graphics)
  • Cases cleaned
  • New Feet added
  • PSU with new Capacitors

All in all, this is a well upgraded, refurbished ZX-81 with a case which is very tidy.

The actual screen is crystal clear with no lines or patterns on the display.

Also available on eBay – http://ebay.us/IXhdW9?cmpnId=5338273189

Additional information

Weight 2 kg
Dimensions 37 × 22 × 12 cm

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