Re: C64 Cost-reduction Prototype? ASSY 250458/PCB 252101 REV.1

From: Christian Frankl <*chris_at_lachriz.de*> Date: Wed, 26 Aug 2026 19:12:57 +0200 (CEST) Message-ID: <2046788756.1630146.1787764377756_at_webmail.strato.de> · chris_at_lachriz.de

It looks like the extra wires on the keyboard are just for connecting the caps lock switch to the membrane contacts (in parallel to the left shift key).

User port: just a reset button ;-)

Chriz

> Alexander Jacocks <jjacocks_at_gmail.com> hat am 26.08.2026 18:29 CEST geschrieben:
> 
>  
> > On Aug 26, 2026, at 07:54, Peter Rittwage <peter_at_rittwage.com> wrote:
> > 
> > I had no idea the 8562 was already in development back in 1984. 
> 
> Nor did I. It was quite a surprise.
> 
> I will say that I am very glad that they didn’t go with the flat-flex keyboard connector. I’m also curious what the extra wires on the keyboard are for. I can see where they were soldered to the user port, before those wires broke.
> 
> - Alex