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| − | == ARM3 models ==
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| − | 25 Mhz ARM3 was standard in the Acorn A5000, and as upgrades for the Acorn Archimedes range.
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| − | 33 Mhz ARM3 was used in the 'Alpha' edition of the A5000.
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| − | 30 Mhz ARM3 was used in early Acorn A540.
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| − | I believe the ARM3 in the Acorn A4 runs at 26 Mhz.
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| − | All above use a plastic package.
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| − | At some point Acorn had ordered a batch of ceramic ARM3s, to operate at 36 Mhz.
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| − | Acorn didn't retain them to use in their machines, and sold them to a company named Ground Control,
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| − | which in turn resold them to various third party companies, which sold them as CPU upgrades.
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| − | <small><span class="autosigned">— Preceding [[WikiChip:Signatures|unsigned]] comment added by [[User:88.160.101.83|88.160.101.83]] ([[User talk:88.160.101.83|talk]] • [[Special:Contributions/88.160.101.83|contribs]]) 03:49, 7 November 2017 (UTC)</span></small><!-- Template:Unsigned -->
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| − | : There were also a few 36 MHZ varieties, eg. Google: IFEL ARM3 36MHz processor upgrade]
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