[Coco] 512 Upgrade

[Stan Blazejewski]

G'day Rick,

I remember when I upgraded to 512k many years ago that if I pushed the memory
board 'all the way home', it wouldn't work.  Whether the pins were going to far
& shorting something, I don't know, but I made small spacers over a few pins  so
that the pins would only go 3/4 way into the headers & it worked reliably for
many years afterwards  (& still is).

On Tue, 8 Aug 2006 12:22:43 -0400, you wrote:

>Anyone who could help me I would be grateful :-)
>
> 
>
>I have had a new Tandy 512 upgrade lying around and a perfectly good cc3
>with 128k. so I figured why not make a 512 that doesn't work!
>
> 
>
>I removed the existing chips and snipped c65 and c66 dropped the new 512
>in....
>
> 
>
>Turn it on and get green with no text. Removed 512 and put the old chips
>in - same thing a green with no text.
>
> 
>
>I am quite sure this has been seen before, if so can you give me a clue?
>
> 
>
>Thanks!
>
>Rick
>
> 
>
> 
--

Australia isn't "down under", it's "off to one side"!

stanblaz at netspace.net.au
www.cobracat.com (home of the Australian Cobra Catamaran)
http://groups.yahoo.com/group/cobra-cat/