Re: Drive Keeps Running...

[Tony Cianfaglione <ab616@chebucto.ns.ca>]

The 255 version is the first version and taking it apart, I see it still
has the original motherboard with no Unidisk upgrade.  I reseated all the
removable chips with no improvement.

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On 18 Jun 1999, BluPhoenyx wrote:

>   I also have a //c. I don't have my tech. ref. handy so that rom number
> doesn't help. Do you know if it's the original or unidisk capable version. I'm
> assuming it's not the //c+.
>   Almost every //c I've seen or worked on which had the unidisk revision was
> patched by Apple computer. I suspect this patch is your problem. Surprisingly
> even the models sold as new //c with the unidisk capabilities were patched.
> They did this until they came out with the slot 4 ram model. What they would do
> is take the old board and give you a revised one then take the old board and
> patch it and pass it on... I have one here with the first model MB that way as
> well as one of the production models done that way.
> 
>  Anyway, if you want to look at the board you can check to see if anything came
> loose. Also there is an ic on there which was purposely disconnected on one
> leg. Make sure nothing is shorting that. Probably you will have to replace the
> MB. Not too hard once you get the case open. I've found some decent deals on
> the net. Check with Tom Turley he might still have one or too real cheap.
> 
> BluPhoenyx
> 
>