That would my my guess as well; add-on semiconductor memory for a 16-bit 
minicomputer. I know Intel made the in-4011 for the PDP-11, but I never saw a 
picture of it.

Camiel

> On Jun 14, 2020, at 6:46 PM, ED SHARPE via cctalk <cctalk@classiccmp.org> 
> wrote:
> 
> 
> Add on  solid state memory unit  some semi companies made tjem. For add to 
> Dec and dg?  Dunno. A guess
> ....   ed smecc
> On Sunday, June 14, 2020 Joshua Rice via cctalk <ric...@btinternet.com; 
> cctalk@classiccmp.org> wrote:
> Hi all. 
> 
> I recently bought a mystery blinkenlight panel. Closer inspection reveals it 
> was manufactured by Intel in the early 70’s (1973), and some people on the 
> book of faces suggested it was part of a “device multiplexer”(?)
> 
> I’m 95% confident it’s not strictly a “computer” blinkenlight panel, but 
> rather an attached device, but that still hasn’t helped me narrow down what 
> exactly it was from. 
> 
> I’ve not seen any early Intel stuff as rack-mount, so i’m wondering if it was 
> a prototype, or maybe a piece of internal/non-commercial hardware for Intel's 
> own use. 
> 
> I’m hoping someone here might be able to shed some light on this mystery.
> 
> Pictures: https://imgur.com/gallery/lD74oSy 
> <https://imgur.com/gallery/lD74oSy>
> 
> Thanks in advance.
> 
> Josh Rice

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