Re: Testing IIc+ memory expansion

[oz390gta <oz390gta@gmail.com>]

On Sep 24, 3:14 pm, A2Aviator <a2avia...@gmail.com> wrote:
> The Apple Service Diagnostics will check it. Also the disk from
> Chinook or Sequential Systems, and perhaps AE.
> Apple never sold a IIc Plus RAM expansion, rather they let the 3rd
> party vendors sell their card design.
> They all sold that same card, though purportedly the Apple branded
> card does not work on a IIc Plus, some may, some probably don't.
>
> The PAL needs to be changed. It's soldered in and sits just over the
> ROM on the motherboard. I've changed them on lots of these cards, and
> if you have a No Slot Clock in there and wish to use the RAM card, you
> need to either put a zero footprint socket on the motherboard, solder
> the clock in (yuck), or take the PAL off the RAM card and bend it's
> legs 180 degrees and put it back in.
>
> Bend each leg only ONCE. There is no turning back. They fall off if
> they go back the other direction. You can socket the thing or solder
> it back in directly.

PAL ??  What is that, apart from a TV standard?

oz390gta