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keyboard same port that a20?

Posted: Fri Apr 05, 2002 12:00 am
by blito
hi.
where could i find info on why the keyboard is in
the same port as the a20
wat's the chip interfacing it.
Why should i enable the a20. i don't understand the
need to do this if in protected mode y can acces
32bits of direction.
The a20 is part of the 32bits direction?.
i cant find information on that so please guide me
thank's