Re: Help identifying hardware

[Alberto Cavalcoli <acavalcoli@racine.ra.it>]

I have an interface card with two 6522 VIAS and 75LS05 chip.
The 6522 card is a parallel i/o interface and connected to the eprom programmer
constitute a complete development system for a 6502 control computer.
There is a solder jumper on the back of the card to provide 12 V for the eprom
programmer and other peripheral cards like AD & DA converter switches.

> >> The other didn't have many chips on it (2-3) but it did have a 6522
> >> chip on it with a (15 pin?) adapter for a ribbon cable.
> Turns out it had 20 pins (sorry, my bad memory)
> >
> >ftp://tarnover.dyndns.org/cabi/Apple.CLASSIC.GRAPHICS/
> >and
> >ftp://tarnover.dyndns.org/cabi/FAQs.and.INFO/ .
> 
> tried there, didn't see anything that looked like it.
> But on a little more inspection on the web, it seems that the 6522 is
> a good trip for controlling serial or parallel information.  In this
> case, I believe it is an el-cheapo serial card.