After digging a bit further and disassembling a card I have here which was defective and
peeling apart. I now know that this is a Seiko-Epson not a Mitsubishi Melcard.
Seiko-Epson are 40 Contact Traces. Mitsubishi are 50 Contact Traces. I also found a data
sheet from the p/n silk screened on the PWB of the card here:
Thanks for giving me a shove in the right direction.
From: cctalk <cctalk-bounces at classiccmp.org> On Behalf Of D. Resor via cctalk
Sent: Sunday, April 11, 2021 5:09 PM
To: 'Alexandre Souza' <alexandre.tabajara at gmail.com>; 'General
Discussion: On-Topic and Off-Topic Posts' <cctalk at classiccmp.org>
Subject: RE: Mitsubishi Melcard (edge connect type)
I don't know. I do know that Roland also used something similar though the length of
some of the contact points are different from the Mitsubishi Melcard.
From: cctalk <cctalk-bounces at classiccmp.org> On Behalf Of Alexandre Souza via
Sent: Sunday, April 11, 2021 10:38 AM
To: Chuck Guzis <cclist at sydex.com>; General Discussion: On-Topic and Off-Topic
Posts <cctalk at classiccmp.org>
Subject: Re: Mitsubishi Melcard (edge connect type)
Isnt that the epson card standard?
Enviado do meu Tele-Movel
Em dom, 11 de abr de 2021 14:37, Chuck Guzis via cctalk < cctalk at classiccmp.org>
On 4/11/21 7:08 AM, D. Resor via cctalk wrote:
Does anyone recall what kind of hardware/software
was used to
early Mitsubishi Melcard EPROM cards with the PCB
It was explained to me by someone that a EPROM programmer could be
used, however I've never seen a socket which fits the edge card
I don't know if it's exactly what you're looking for, but there's a
potload of information on Bitsavers, starting with PDF page 115: