[Coco] Controller question

[jdaggett at gate.net]

bill

Not really sure. It does not look like my FD501 or FD502 controllers. FD500? I always 
thought the FD500 was the large controller that used the WD1793 chip. Looking at the date 
codes on some of the chips, it is the time frame of the FD501. Could there have been 
multiple versions of the FD501? I am not sure on that at all. Looking at the date codes on the 
chips this could not have been built before the 32nd week  of 1984. That would put it in the 
FD501 era used on the Coco2. My FD502 all has 1987 date codes. 

james

On 29 Aug 2012 at 15:46, Bill wrote:

> AFTER I had sold both my Cocos, I ran across a drive controller in a plain
> case that I cannot identify. Can anyone tell by this picture what it is?
> 
>  
> 
> http://www.sq1bbs.com/controller.jpg
> 
>  
> 
> Thanks
> 
> 
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