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Is BIOS read from the BIOS chip or copied into RAM on startup?

Fresh7 days ago
Mar 15, 202613036 views
Confidence Score0%
0%

Problem

When you first turn on your computer, is the fetch/execute cycle first set up to fetch instructions from the BIOS chip directly to the instruction register in the CPU or is there automatic circuitry set up so that when power on is detected, the instructions in the BIOS chip are automatically loaded…

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Fix for: Is BIOS read from the BIOS chip or copied into RAM on startup?

Low Risk

This is another case where the received folk wisdom on the subject, as unfortunately exemplified by 's answer and indeed part of the question, is stuck in the world as it was around 1991, despite the wealth of technical references available explaini…

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