From 0 to 1 MB in DOS
A tour on how DOS was able to use most of the 1 MB address space of the 8086
Source: substack.com
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A tour on how DOS was able to use most of the 1 MB address space of the 8086
When we switch on a computer, it goes through a series of steps before it is able to load the operating system. In this post we will see how a typical x86 processor boots. This is a very complex and involved process. We will only present a basic overall structure. Also what path is actually…