[Coco] Help reviving an old CoCo 2

[Arthur Flexser]

Even if it doesn't work, might be useful as a source of chips to try
swapping with identical ones from the other controller to see if that
revives the first one.  A bad WD1773, the main disk controller chip, seems
like a likely suspect.

Art

On Mon, Nov 24, 2014 at 8:30 AM, John Goerzen <jgoerzen at complete.org> wrote:

> Arthur Flexser <flexser at ...> writes:
>
> >
> > You might try removing and resocketing any socketed chips in the disk
> > controller to get rid of oxidation there.
> >
> > Art
>
> I gave it a try - no dice.  Perhaps one of the chips is just bad itself.
>
> I saw a FD-501 pak on eBay over the weekend and bought it.  I hope it works
> (it's sold "as is").  From some reading, it looks like it has gold-plated
> instead of tin contacts, at least.
>
> John
>
>
>
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