[vcf-midatlantic] mYSTERY KEYBOARD

[Jonathan Gevaryahu]

On 1/22/2019 7:57 PM, Neil Cherry via vcf-midatlantic wrote:
> I have a mystery keyboard from around 1985. I know the following:
>
> - Keytronics model unknown
> - CPU (?) markings
>   30293-e
>   20-04592-054
>   GI 8215 CDA
>
>   19-4148-01 REV 1
>   PCB         01
>   A65-02395 -201A
>
> Images:
> https://ushomeautomation.com/images/mystery-kb-back.jpg
> https://ushomeautomation.com/images/mystery-kb-front.jpg
>
> What I haven't done so far is to power it up. And I'm not sure if the
> EPROM is actually original to the keyboard.
>
Can you dump the eprom? I'm curious if the GI chip is one of their more 
obscure MCUs (or it could be a pic9000 series like the olivetti m24/at&t 
6300 used for its keyboard controller?)

-- 
Jonathan Gevaryahu
jgevaryahu at gmail.com
jgevaryahu at hotmail.com