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Continue to ChatARMv8 detailed: first 64-bit chip, backwards compatible https://macdailynews.com/2011/10/27/armv8-detailed-first-64-bit-chip-backwards-compatible/
ARMv8 detailed: first 64-bit chip, backwards compatible https://macdailynews.com/2011/10/27/armv8-detailed-first-64-bit-chip-backwards-compatible/