Real_Grizz_Adams at yahoo.co.uk
Mon Jul 12 14:36:00 UTC 2010
On 12 July 2010 at 5:15, Smoot Carl-Mitchell
Enlightened me with this:-Re: Windows Rant
>On Sun, 2010-07-11 at 22:32 +0100, Grizzly wrote:
>> You made an error there a 1960 PC (if you can call it that) would not have had
>> memory (and certainly not 16M) even by 1981 an IBM only had 64k and 8" floppys
>> (and cost circa $20,000) in 1960 it would have been relays and NO FLOPPYS
>Not quit $20K. Retail price was around $3K.
Which goes to show "always RE-Read the data" Sorry
I misread from :-
The 5100 was just one of several personal computers IBM made before the PC.
It was followed by the 5110, the 5120, the Datamaster, and then finally the 5150 PC.
Make Model Introduced Price Technology Form
IBM 5100 September 1975 $9000-$20,000 LSI portable all-in-one
IBM 5110 1978 ? LSI? portable all-in-one
IBM 5120 1980 ? LSI? all-in-one with build-in 8" floppies
IBM Datamaster 1981 ? LSI/8085 all-in-one with build-in 8" floppies
ofcause in the 6 years (between 5100 & DataMaster) prices dropped markedly and
floppies became availible
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