Re: Apple III ram problems

[Michel & Ann Py <president@whitehouse.gov>]

The power-on lamp is burned. Replace it with a LED or another lamp if
you can find one and your problem will go away.
There is no ram on the motherboard except for the chargen chip.
Michel
arn-py at pacbell dot net

Stefan Miganowicz wrote:
> 
> I was working fooling around with my Apple III.  It was working a couple of
> years ago, but the keyboard doesn't work.  I just got another Apple III for
> parts, and I took out the keyboard and put onto the one that worked before.
> Now it says Diagnostic RAM when I start it.  I swapped out the RAM card that
> was connected on the motherboard, and put another one.  It still said the
> same thing, so I think a chip is gone on the motherboard.  Before I swap
> every chip out to find the bad one(I have another motherboard with corrosion
> on it),  could someone tell me what chips are the RAM chips on the
> motherboard.  And a wierd pattern comes up and the manual says it is
> supposed to tell the bad chip, but all it looks like is a test screen.
> 
> Thanks,
> Stefan