Re: The history of the Linux OS

Mark H. Wood (mwood@IUPUI.Edu)
Sat, 28 Nov 1998 16:09:34 -0500 (EST)

On Fri, 27 Nov 1998, Harald Koenig wrote:
> it _is_ IBM who made this broken decission! check the schematics in
> IBM PC/XT technical handbook for their serial card (`async. communication adapt.'):
> they're using a single 74LS30 (8port NAND) to decode AEN and A3...A9
> adresses -- A10 to A15 aren't touched at all:(

Makes perfect sense. Remember that the PC came out of IBM's Entry Systems
Division. So you'd get used to buying IBM with a really cheap machine (in
both senses) and then, when you outgrew it, they'd move you up to a System
3x or whatever.

-- 
Mark H. Wood, Lead System Programmer   mwood@IUPUI.Edu
Innovation is only valuable if it improves one's life; otherwise it's
just one more silly change to cope with.




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