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Acorn 6502 2nd processor (front & top).This is my 6502 2nd processor which was one of the first upgrades I bought for my BBC B. I have always believed that you can never have too much memory or too fast a CPU, so the BBC B's limited memory and slower CPU were just waiting for an upgrade. Acorn
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unless otherwise specified. Some information, in particular all the information in the documentation section (e.g. brochures, manuals and books) and the software section (e.g. programs and disc images) remain the copyright of their respective owners and may not be reused without their permission.
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produced a special version of BASIC (Hi-BASIC) and View (Hi-View) to maximise the amount of memory abailable, Computer
Concepts also produced a special version of Wordwise (Hi-Wordwise) on disc.Here is the brochure describing the 6502 2nd processor.
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If you use material from Chris's Acorns for commercial purposes, especially on-line auctions, it must not explicitly or implicitly convey Chris's Acorns endorsement of your goods or services.
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The front view of the 6502 2nd processor show the typical "cheese wedge" shape and the labels. The hand written label was my reminder of the commands to load the language I wanted.
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The
Wikimedia Foundation has received an e-mail confirming that the copyright holder has approved publication under the terms mentioned on this page. This correspondence has been
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The 6502 2nd processor circuit board with the ribbon cable to the right and the
Ferranti ULA next to it. the GTE 65SC02P-1 CPU is next to the ULA with the Boot ROM next to it.
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The bottom of the 6502 2nd processor showing the ribbon cable to connect to the TUBE interface underneath the BBC micro or Master and the serial number (03-ANC01-1003860).
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209:. The photograph was created between ~2004 and 2011 by Chris Whytehead. Please use the photo while adhering to the license including the attribution to "
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Inside the 6502 2nd processor with the psu at the front and the circuit board in the middle. There is a lot of empty space in the "cheese wedge"!
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The back of the 6502 2nd processor showing the power cable, fuse and on/off switch.
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The right side showing the "cheese wedge" shape, the left side is the same.
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The bottom of the 6502 2nd processor circuit board.
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