Re: Apple II+ - "all" memory bad... surely not?

["N.N. Thayer" <nnthayer@hotmail.com>]

On Mar 13, 11:01 am, rich12345 <aiiad...@gmail.com> wrote:
> On Mar 13, 8:25 am, "N.N. Thayer" <nntha...@hotmail.com> wrote:
>
>
>
> > > try lifting all chips up, reseat them.  
>
> > Yeah, I did that last night - now all RAM passes diagnostics.  The
> > loading issues and crashes continue, though, and I've got an unsteady
> > display as well.  :(
>
> Do it again.  Sounds like bad connection, could be corrosion on an IC
> leg or in its socket.
>
> You could try:  Pull out each chip (careful, and keep track of where
> they go)  Spray sockets with electrical contact cleaner, soak IC legs
> in the contact cleander.
>
> Rich

A new symptom has developed:

Sometimes, upon power-up, the beep is actually a *different pitch*, a
few pitches lower than a normal beep.  I have never seen such behavior
before.  I feel like the board is slowly disintegrating before my
eyes.  :(