Re: madison zram (cpmaker)

From: Francesco Messineo <>
Date: Sat, 3 Jun 2017 21:37:21 +0200
Message-ID: <>
On Sat, Jun 3, 2017 at 1:57 PM, didier derny <> wrote:
> Hi,
> I was checking the schematics / manual to understand how it worked..
> some chip references are hard to read, (blurred on the schematics)
> any idea if it exist a list of component somewhere
> many can be guessed... more difficult from some others...
> for example  U34   any idea ?
> it's used for the mapping...

it's an 82S131 TTL PROM (or equivalent).
If we want to make a replica, someone with an original board needs to
dump this prom content.

Frank IZ8DWF

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Received on 2017-06-03 20:01:42

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