Rhodes Chroma Polaris group photo

Yahoo Groups archive

Rhodes Chroma Polaris

Index last updated: 2026-04-28 23:17 UTC

Message

RE: [chromapolaris] Bank switch freezes polaris

2016-02-17 by Paul D. DeRocco

> From: Bob Grieb
> 
>    If the reset threshold is not set correctly, could the 
> supply dip enough when the CPU 
> gets busy responding to some button push to cause reset to glitch on?
> Maybe not long enough to reset the CPU but long enough to mess it up?
> Does that make any sense?

Yes, that's a common problem with the early power supplies. Which is why
there is a later rev of the supply that doesn't have a reset threshold
adjustment.

That wouldn't explain the blown fuse, but it's worth looking at anyway, if
the supply is the old one with the three trimmers.

-- 

Ciao,               Paul D. DeRocco
Paul                mailto:pderocco@...

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.