Mitsubishi Melcard (edge connect type)

[D. Resor]

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:

https://www.datasheetarchive.com/pdf/download.php?id=11082c69f543ba2dc23ee78386ce2ce49debd2&type=O&term=EPC032IEC0

Thanks for giving me a shove in the right direction.

Don Resor

-----Original Message-----
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.

Don Resor

-----Original Message-----
From: cctalk <cctalk-bounces at classiccmp.org> On Behalf Of Alexandre Souza via cctalk
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> escreveu:

> On 4/11/21 7:08 AM, D. Resor via cctalk wrote:
> > Does anyone recall what kind of hardware/software was used to 
> > read/write
> the
> > early Mitsubishi Melcard EPROM cards with the PCB edge connector
> contacts?
> >
> >  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 
> > connector of
> these
> > cards.
>
> 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:
>
>
> http://www.bitsavers.org/pdf/mitsubishi/Mitsubishi_VLSI_MOS_Memory_RAM
> _ROM_and_Memory_Cards_Jan91.pdf
>
> --Chuck
>
>