[lisa] Re: Why are these cut?

That was an original I/O board, probably used in a Lisa 1. Part of the upgrade involved replacing the I/O ROM and cutting two resistors. The newer I/O boards didn't have these resistors to begin with.

On 3/11/06, Philip Lord <lord_philip_at_email.domain.hidden> wrote:
>
>
> I have two I/O boards for my lisa. One is a spare incase the other
> one dies. I was looking at the spare the other day and I noticed a
> few strange things.
> Two traces and a resistor have been cut. This cut resistor is not
> actually present on my other board. The board with the cut traces
> seems to work perfectly fine however. But I am curious, anyone know
> why this has been done?
>
> You can find a link to pictures her:
>
> http://web.mac.com/lord_philip/iWeb/Site/FF8A1B94-651A-4AE8-AB92-
> A535E883996E.html
>
> Thanks
>
> Phil
>
>
>
>

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