File:Cromemco ZPU S-100 Board.jpg

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English: Picture Cromemco ZPU card (1976). First microcomputer CPU card to achieve 4 MHz speed. Switch on top of card could be used to switch between 2 MHz and 4 MHz speed. Used Zilog Z-80 processor.
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Author Cromemco

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I, the copyright holder of this work, hereby publish it under the following license:
Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

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current21:18, 28 March 2013Thumbnail for version as of 21:18, 28 March 20133,492 × 1,910 (1.79 MB)Cromemco (talk | contribs){{Information |description={{en|1=Picture Cromemco ZPU card (1976). First microcomputer CPU card to achieve 4 MHz speed. Switch on top of card could be used to switch between 2 MHz and 4 MHz speed. Used Zilog Z-80 processor.}} |date=2013-03-28 10:20:46...

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