30 Sep
2004
30 Sep
'04
1:37 p.m.
wanted a TTL based computer, I'm thinking about
building the Educ-8, http://www.ljw.me.uk/educ8/ , a
similar TTL based machine described in an electronics
australia article in 1975. Amazingly, they still sell
the boards for it, or at least in theory they do, I've
I managed to collect the original magazines with the Educ-8 articles as
well as scans of the articles, and although the boards are available I
am not sure they would all that useful. The Educ-8 was designed around
both 74 and 8 series TTLs. I did some cross referencing, but could not
locate datasheets on all the 8 series ICs used, so I am not 100% certain
that there are pin equivalent 74 series ICs for all. This might mean a
board reroute.
David
1 Oct
1 Oct
8:57 a.m.
----- Original Message -----
From: "Kane, David (DPS)" <David.Kane(a)aph.gov.au>
To: "General Discussion: On-Topic and Off-Topic Posts"
<cctalk(a)classiccmp.org>
Sent: Friday, October 01, 2004 2:37 AM
Subject: RE: Kenbak-1 Was: Poly88 on ebay
The Educ-8 was designed around
both 74 and 8 series TTLs. I did some cross
referencing, but could not
locate datasheets on all the 8 series ICs used,
David
Which ones are you missing ?
Geoff.
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David.Kane＠aph.gov.au -
geoffreythomas＠onetel.com