[sdiy] Massive processor collection./ 4116 Ram

[Paul Burns]

A story for you

Many years ago when I was at school my mate and I built computers , we both
built Nascom-2 machines , but I also had  Commodore PET 4008, which had 8k
of ram hard soldered in , although the board had the holes for more ram ,
they were filled with solder.
My school did not have a computer at that time , it was that long ago
(1980), and occasionally my mate and I took our computers in to show them
off... my physic teacher , looked and said "what memory do these machines
take , and how much?"
Both types of machines took 4116 dynamic ram , the Nascom would take 48K and
the Pet up to 32K...
He nodded sagely when we told him, and a couple of weeks later in class he
presented us with some yellow boxes filled to the brim with 4116 chips .. it
turned out his wife was a quality control expert at ITT and he could get
hold of anything...
We were gobsmacked , as this amount of chips was about the same price as a
Nascom say around 400 GBP at the time , so we felt obliged to donate a
bottle of Scotch and a couple of pornographic videos , for which he had a
penchant for.

Some intensive solder sucking later and putting in some sockets , the PET
got up to 32K , my Nascom-2  was easier as I had already pre-prepared that
with sockets ...

Sadly now dead, I shall not forget the philanthropy of the guy ...

Regards

Paul
 

-----Original Message-----
From: synth-diy-bounces at dropmix.xs4all.nl
[mailto:synth-diy-bounces at dropmix.xs4all.nl] On Behalf Of Ullrich Peter
Sent: 31 July 2010 12:11
To: synth-diy at dropmix.xs4all.nl
Subject: Re: [sdiy] Massive processor collection.


>I have tons of 8 bit 40 pin processors like 8080, Z80, 6502, 6809, 6802,
>6803, 6809, S2650, 8039, 8088, 8085, etc in my arcade game stuff. Rarely

> Ram chips like 2114, 4116, and 2101....different story.
>Always causing problems.

>> Even I have still have several 6502's and I think a couple of 6809's
>> from 25 years ago.

Beside PC processors I have a some Z80s, 8085, V20, 8086, 80188, some 6502,
some 68B09 and tons of 8051 
derivates and maybe my oldest one: a 2650 development system running at
600kHz ;-)

And I still have an old IBM PC motherboard with Basic ROMs and cassette
interface... cool...
I put a photo of it on my webpage...
http://home.pages.at/pullrich/index8.htm

Ciao
Peter

http://www.ullrich.at.tt
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