ZX81 I/O Board

This expansion board for the ZX81 provided digial input and output pins for attaching external hardware.

Date: Unknown

ZX81 I/O Board Articles:

Item Manufacturer Date
Memories - Learning with the ZX81 Unknown
Sinclair ZX81 - Review Jun 1981

This exhibit has a reference ID of CH39835. Please quote this reference ID in any communication with the Centre for Computing History.


ZX81 I/O Board

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Memories : Learning with the ZX81

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