This is the first time ever addressing these newsgroups. It could be that
there is a FAQ, if so,where can I find it?
I own several A500s. Except one they all have that little C= square at the
right site of the computer. The exception has a big inlay of about 2*5 cm
saying Commodore A500 (IIRC, forgot a paper with some notes :( )
Last saturday I was given a A500 that had been rescued fron the trash. The
case was badly damaged but the computer itself worked fine. That is, it has
a switch to start up from different ROMs; V3.1 works fine, the other one
ends up with a green screen.
The card holding the two ROMs has an empty socket for a third one and is
connected to the original socket using a piec of flatcable. On the card are
some jumpers and a GAL16V8. Does that sound familiar to anyone and is some
info available about this card?
The expansion slot contained a memory expansion card with 1 MB DRAM, an OKI
clock-IC, a 74LS139 and a battery. A small flatcable is running from this
card to the 6719, that is, a small board placed between the IC and the
On the MOBO is a sticker saying "A500 P". Does this mean this is a A500+?
What is the technical difference between a A500 and a A500+ ie. what ICs do
both machines use? (I have some A500-ICs laying around so I maybe could
upgrade one of my 500s to a "Plus")
Any URLs with technical info, hacks, processor-upgrades etc. are welcome.
Thank you very much.
/ / |_/ Groetjes, Ruud