Re: Mistery exponsion

From: Michał Pleban <>
Date: Sun, 26 Mar 2017 17:49:32 +0200
Message-ID: <>

Ullrich von Bassewitz wrote:

> 64K dynamic RAM + socket with 40 pins. Maybe coprocessor or graphics card?

For a graphics card, it lacks video output and a graphics chip.

On the other hand, there is really lots of TTL chips, looks like way too
much for a simple memory expansion. But maybe there are for RAM refresh?


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Received on 2017-03-26 16:02:41

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