Am 03.06.2011 16:45, schrieb Invisible:

> In 1982 (this is the first year in the list so far when I was actually
> *live*!) the 80286 (or "286") appeared. This was the first CPU with
> memory protection.
>
> In 1985, the 80386 ("386") came along. This was the first 32-bit
> processor. (Which is why IA32 is sometimes referred to as "i386", and
> why Linux generally refuses to work with anything older.) This was the
> first processor where the relationship between segment numbers and
> physical memory addresses is programmable rather than hard-wired. In
> other words, this is where memory pages got invented.

Not really; IIRC the first x86 processor to introduce programmable 
mapping of logical addresses to physical memory was the 80286; it could 
only do this on a per-segment basis though.

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