Why would you want to saddle an ARM processor with all the IBM PC 5150 compatibility that lives in every "commodity" motherboard? What would be gained from obliging ARM processors to have the same external signals as x86's? How would they guess how to properly initialize the various components (something processors depend on processor-specific BIOSes and EFI to do)?
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Why would you want to saddle an ARM processor with all the IBM PC 5150 compatibility that lives in every "commodity" motherboard? What would be gained from obliging ARM processors to have the same external signals as x86's? How would they guess how to properly initialize the various components (something processors depend on processor-specific BIOSes and EFI to do)?