Hi,
> The pcb contrary to the schematics does not have open spaces for IC 23 and
IC24.
You can either desolder or piggyback them.
>Question 1: Will an extra 0.1 uF condensators be neccesary if the chip
>below already has one?.
No, it's not neccesary. 0.1 uF will do the job.
>Question 2: On the extra ram chips (piggybacked ones) the pin to be
>connected to the CAS1 signal is pin 16 right?
Yes, IC23 and IC24 are connected to CAS1 with pin 16.
> Question 3: Which pin on the vdp (9938-msx2) is CAS1 ?
Take a look at the schematics and you will see that the VDP pin 60 is CAS1.
Regards,
Tomas Karlsson
The Unofficial Spectravideo Homepage
http://home1.swipnet.se/~w-16418/
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