Messages in this thread | | | Subject | Re: setup.S: A20 enable sequence (once again) | Date | Mon, 6 Nov 2000 21:30:12 +0000 (GMT) | From | Alan Cox <> |
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> This doesn't really work. Neither the fast A20 gate nor the KBC is > guaranteed to have immediate effect (on most systems they won't.)
Fast A20 gate happens to be immediate on all the embedded kit I know so its probably acceptable, and if its too slow it still does the kbc timeout. Since its generally on chip they dont muck about talking to keyboard and other junk I/O controllers.
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