BIOS/Clock battery replacement

[Mr Ian Primus]

--- On Thu, 3/10/11, Curt @ Atari Museum <curt at atarimuseum.com> wrote:

> This was a major design flaw in the
> Pole Position arcade PCB's, someone positioned the backup
> battery at the top center of the board when it was mounted
> sideways on the inside side wall of the cabinets and when
> the batteries died, they died a horrific messy death,
> usually taking out a 3 square inch of the PCB traces with
> them.
> 

Don't remind me...

And it was many more than just Pole Position. There were *lots* of 80's video games, as well as pinball machines that suffer from the same fate. I've spent more hours repairing battery damaged boards than I care to think about.

-Ian