15 Jun
2020
15 Jun
'20
2:58 a.m.
PDP-10 was 36-bit. You?re thinking of the PDP-1, 4, 7, 9 and 15 line of computers.
However, it?s not actually 18-bit, but 2 8-bit bytes with parity for each byte. If it is
indeed an early Intel memory addon for minicomputers, i?d expect it to be for the 16-bit
DG Nova or PDP-11 line of machines.
On Jun 15, 2020, at 10:09 AM, Dave Wade via cctalk
<cctalk at classiccmp.org> wrote:
-----Original Message-----
From: cctalk <cctalk-bounces at classiccmp.org <mailto:cctalk-bounces at
classiccmp.org>> On Behalf Of Chuck Guzis via
cctalk
Sent: 15 June 2020 06:33
To: dwight via cctalk <cctalk at classiccmp.org <mailto:cctalk at
classiccmp.org>>
Subject: Re: Unknown Intel blinkenlight panel circa 1973
On 6/14/20 8:41 PM, dwight via cctalk wrote:
a
I can see why I was having problems. The picture
was upside down. It
looked like Spanish or something. Do remember that Intel's claim to
fame wasn't just micro processor. They were one of the first to do MOS
RAMs for big machines. They were more into solid state memory systems
than uPs, until after the 8080. It clearly isn't for some
4004 or 8008. It was likely monitoring some RAM for some mini.
Intel Memory Systems Division was largely responsible for saving Intel's
bacon in the early 1970s. The MPU business with the 8008 and 4004 wasn't moneymaker initially.
However, selling DRAM assemblies for various minis (e.g. DG and DEC) as
well as S/370 add-on memory amounted to a large portion of their early
sales. IMSD was on the far end of Mathilda in Sunnyvale.
I found this ad here:-
https://books.google.co.uk/books?id=9Ih5WQ-muXEC&pg=PT1&lpg=PT1&…
<https://books.google.co.uk/books?id=9Ih5WQ-muXEC&pg=PT1&lpg=PT1&dq=ibm/370+t>
hird+party+memory+intel
I think if we could read the legends on the front we might get a better idea
of what system it was for...
... looks like 18-bits so something in the pdp-10 line?
Dave
> Have a look at section 7 here:
>
> https://johncargin.files.wordpress.com/2013/12/intel-catalog-1973.pdf
<https://johncargin.files.wordpress.com/2013/12/intel-catalog-1973.pdf>
>
> --Chuck