Sinclair QL Expansion Development Kit

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This is an internal development kit used by Sinclair to test expansion cards. The smaller card plugs into the QL and mirrors the bus signals onto the backplane via the rainbow ribbon cable. This allows the user to add multiple expansion cards for testing. The backplane has a small daughterboard to allow an external power supply to be connected.

Kindly donated by Nick Terry

Date : Unknown

Manufacturer : Sinclair

This exhibit has a reference ID of CH31268. Please quote this reference ID in any communication with the Centre for Computing History.

Scan of Document: Sinclair QL Expansion Development Kit

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