Re: Mistery exponsion

From: smf <*smf_at_null.net*> Date: Sun, 26 Mar 2017 16:43:30 +0100 Message-ID: <cbf18dae-6f39-c2ef-231a-8151033fa5dc@null.net> · smf_at_null.net

On 26/03/2017 15:10, Richard Lagendijk wrote:
> Hi all,
>
> I'm organising my collection and I found an expansion. But I do not know
> what it is. It has 8 RAM chips and a lot of logic ICs. No markings on the
> PCB (could be home-made).
> It was in a box with other PET things.
>
> http://www.richardlagendijk.nl/div/mistery_expansion_pet.jpg
>
> Does anybody has an idea?

Maybe a home made version of:
http://mikenaberezny.com/hardware/pet-cbm/cbm-64k-ram-expansion/

It looks like it fits into a 6502 socket and adds an extra 64k of ram 
anyway.

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