067-0961-00
The Tektronix 067-0961-00 is a diagnostic memory board for the 7854. It replaces the standard ROM board in the 7854, and works in conjunction with a 067-0911-00 diagnostic interface in a MicroLab I that connects to the 7854's MPU board through a pair of flat cables.
Pictures
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Front view
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Rear view
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Keyboard overlay card
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Modern clone of the ROM card
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Modern clone of the keyboard overlay