File:Acorn 1MHz6502CPUA.jpg
Acorn_1MHz6502CPUA.jpg (640 × 364 pixels, file size: 40 KB, MIME type: image/jpeg)
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DescriptionAcorn 1MHz6502CPUA.jpg |
English: Acorn 1MHZ 6502 CPU card (front).An Acorn 1MHz 6502 CPU card from a System 1 (see the 4 rubber feet on the bottom). The part number is 200,000 issue 3. The card has a Rockwell 6502 with INS8154 devices at either end controlling I/O to the keyboard and dispay card (on left) and the Eurocard connector (on the right). Next to the 6502 CPU are the 2 x 2114 RAM ICs giving 1K RAM and the 2 x 74S571 ROMs ( with blue and yellowspots) giving 512bytes ROM. The large empty socket is for a 2516 UV PROM. The power connector is on the right hand side.
The 6502 card can also be used as the CPU in a System 2, 3 or 4 connecting to the chassis using the Eurocard connector on the right hand side. |
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Date |
between circa 2004 and circa 2011 date QS:P,+2050-00-00T00:00:00Z/7,P1319,+2004-00-00T00:00:00Z/9,P1326,+2011-00-00T00:00:00Z/9,P1480,Q5727902 |
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Source | Chris's Acorns: Acorn 1MHz 6502 CPU Direct | ||||
Author | Chris Whytehead | ||||
Permission (Reusing this file) |
Chris Whytehead, the copyright holder of this work, hereby publishes it under the following license: This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Attribution: Chris Whytehead, Chris's Acorns – CC-BY-SA-3.0
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current | 00:33, 23 November 2011 | 640 × 364 (40 KB) | Smallbot (talk | contribs) | Commons:Bots/Requests/Smallbot Uploading images from http://acorn.chriswhy.co.uk/8bit_Upgrades/Acorn_1MHz6502CPU.html |
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