[Techtoolslist] 1101 & 1011 RAM?

[Joe Magiera]

I tried replying attaching a couple pictures, but I did not see it come
through.  I'm guessing maybe because of the attachments being too large.  I
posted pics of the chips in question here:
https://missilecommand.org/misc/1101_1011_RAM.JPG
https://missilecommand.org/misc/1011_1101_RAM.JPG

See attached pics.  1101 were Intel's first RAM.  The top ones in the pics I
think are National Semiconductor brand.  The bottom ones, no clue.  I
suppose they could be 1101's too and someone made the mistake of putting the
1 in upside down on the stamp (see middle bottom).  I'm having a hard time
finding anything definitive on 1011 RAM, so maybe that was the case.

Joe

-----Original Message-----
From: Techtoolslist [mailto:techtoolslist-bounces at flippers.com] On Behalf Of
John Robertson via Techtoolslist
Sent: Monday, August 5, 2024 11:58 AM
To: techtoolslist at flippers.com
Cc: John Robertson <jrr at flippers.com>
Subject: Re: [Techtoolslist] 1101 & 1011 RAM?

On 2024-08-05 8:01 a.m., Joe Magiera wrote:
> Anyone know of any device or any way to test 1101 RAM and/or 1011 RAM?
>
>   
>
> Joe
>
>
>
What manufacturer and date code? I don't recall that number offhand...

John :-#)#

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