The Heathkit H89 Computer Part 6: The H89 CF-RTC-Serial-Parallel Board
This video describes the H89 CF-RTC-Serial-Parallel Board, a modern add-on board for the Heathkit H89 computer that adds support for flash storage, a real-time clock, and serial and parallel ports. One correction to the video: The HDOS partitions are 16MB in size, which are divided into eight 2MB drives. Link to documentation and images: https://koyado.com/heathkit/New-H8-We... More details on the H89 and my Heathkit computer book: https://github.com/jefftranter/misc/t...

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![Memory Devices [Bell System 1959, 4K]](https://i.ytimg.com/vi/Px9ZfLyeAWU/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLD2acU0BF7JpwhLl8CEVP0_N8xWsQ)
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