Re: about the plus4

From: Jim Brain <>
Date: Thu, 26 Apr 2012 22:58:07 -0500
Message-ID: <>
On 4/26/2012 9:43 AM, Bil Herd wrote:
> Regarding the 50 Pin Expansion connector
> Origin: The origin of the connector would be the same place that the whole
> design came from as Jim surmised.  The design of the case was the origin
> of the system design, with the chip designed/inserted next and hardware
> last. (function, look and feel followed by implementation?)  The expansion
> connector, along with the DINs, would have come from Ira Velinski and his
> department in Tokyo, Yoichi Nishimura being one of the engineers that took
> part and under the guidance of Yoichi Okubo the head of engineering. As
> this office was run directly by Sam Tramiel this would have been a system
> design that came from, and was condoned, from the top of the organization.
> It arrived in West Chester around the time the PCB board did; the PCB
> board with bad ground, no ferrite beads and 9 chips that I saw a picture
> of just recently.
Well, then, anyone have a source for these elusive connectors?

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Received on 2012-04-27 04:00:25

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