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Open University Hektor TM222 Peripheral Board

This expansion board connects to the Hektor II computer and was used in the Open University's course 'PT222 - The Digital Computer'. It uses an 8255A peripheral interface chip to expose eight LEDs, eight toggle switches, and two illuminated momentary pushbuttons.

Date : Unknown

Manufacturer : Open University

Format : Expansion Board

This exhibit has a reference ID of CH39957. Please quote this reference ID in any communication with the Centre for Computing History.

Scan of Document: Open University Hektor TM222 Peripheral Board

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