Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!wuarchive!cs.utexas.edu!uunet!tellab5!fayne
From: fayne@tellab5.TELLABS.COM (Jeffrey Fayne)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Turning off NumLock through softwar
Message-ID: <1758@tellab5.TELLABS.COM>
Date: 13 Nov 89 14:29:16 GMT
References: <3932@ur-cc.UUCP> <110200029@uxe.cso.uiuc.edu>
Reply-To: fayne@tellab5.UUCP (Jeffrey Fayne)
Organization: Tellabs, Inc. Lisle IL
Lines: 21

In article <110200029@uxe.cso.uiuc.edu> mcdonald@uxe.cso.uiuc.edu writes:
>
>
>The interesting question is, why does it work? How does the light
>bulb know that I changed a single bit in memory?
>Doug MCDonald

	The BIOS updates the keyboard (at least the AT keyboards) based
  on the 0040:0017 status byte contents.

				Jeff

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