Emax

Yes, every board I have ever seen has these same jumper wires - about 10
boards so far.

Regards,
Ted



On Mon, May 5, 2014 at 4:20 AM, Krikor <krikorola@...> wrote:

> Hello,
>
> My board is an early v2 rev C pcb pc327.
> I have problems using the rs422 protocol with the emuser.
> I tried to change a few ics related to the midi and rs422, without any
> luck.
> As the board is an early revision it has some jumps here and there, and as
> you can see on the picture here between the ic2 (which is related to the
> midi stop) and the ic54 which is associated with the floppy drive
> controller.
> This connection then goes to an empty dip between ic33 and ic34 where
> there is a glued trim pot.
>
> I wanted to know if this could cause the incompatibility with the rs422
> protocol and therefor I search the service manual for the corresponding
> schematics, but I could not find a connection between ic2 and ic54.
> Do other revision board show the same connection?
>
> Best
> K
>
>
>
>
> http://www.krikor.fr
> +33632199413
>
> Booking dj & live: cedric@...
>


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