Re: Strange CBM710 with 3.5" drive

That chip was also in Commodore-Germany's HSG board for 8000 series and also 700 series, but the board is clearly marked as "High Speed Graphik"
 
http://www.6502.org/users/sjgray/computer/hsg/index.html
 
Steve
 


>________________________________
> From: Ullrich von Bassewitz <uz@musoftware.de>
>To: cbm-hackers@musoftware.de 
>Sent: Thursday, June 13, 2013 1:42:18 PM
>Subject: Re: Strange CBM710 with 3.5" drive
>  
>
>
>Hi!
>
>On Thu, Jun 13, 2013 at 06:23:45PM +0200, Michał Pleban wrote:
>> * There is an unknown adapter on the expansion port. It is wired to the
>> video connector so I assume it's some kind of graphic adapter. There is
>> an array of TTL glue logic there and one 40pin chip which has a big
>> radiator glued on - I cannot unglue it so I don't know what chip this
>> is. On the board are markings "GDP 64K" and "Elektronikladen 4930
>> Detmeld 18". There are many manually resoldered wires on the board, one
>> chip is even piggybacked on another.
>
>It may be an EF 9365 or EF 9366. That's a graphics display processor with
>vector capability. It was used for the NDR computer by Rolf Dieter Klein. See
>here
>
>http://de.wikipedia.org/wiki/NDR-Klein-Computer
>
>(German) and here
>
>http://upload.wikimedia.org/wikipedia/commons/e/ef/NDR_Klein_Computer_GDP64_Karte.JPG
>
>for a picture of the card. Maybe someone has event put this card into the
>machine with some interface logic?
>
>Regards
>
>
>        Uz
>
>
>-- 
>Ullrich von Bassewitz                                  uz@musoftware.de
>
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