Re: Pot on Language card: what for?

[dempson@actrix.gen.nz (David Empson)]

Linards Ticmanis <ticmanis@coli.uni-sb.de> wrote:

> another stupid question. I have two II+ language cards, the standalone
> versions that do their own refresh and that don't need a cable to one of
> the RAM chips on the II+ motherboard.
> 
> Those cards have one pot each on the PCB. What does this pot do? Adjust
> refresh cycle time maybe?

Almost certainly.  It will form part of an RC circuit used as the
timebase for a refresh circuit.

> Which way would you have to turn it for slower refresh, if that is the
> case?

In whichever direction increases the resistance, probably clockwise.