Re: //c memory upgrade

[dratzlaf@nyx.cs.du.edu (Daniel Ratzlaff)]

In article <musjndx.730578424@gsusgi1.gsu.edu> musjndx@gsusgi2.gsu.edu (Jonathan N. Deitch) writes:
>
>What about the new //c keyboards with the metal frame ?  They don't have the
>plastic bracket underneath, but I still have size problems with a ZIP mounted
>in the CPU socket of my Checkmate ram card ... the foil label on the top of 
>the ZIP chip contacts several of the soldered tails of the keyswiches creating
>anomolous keystrokes.  A little paper in between fixed the problem, though ...
>
>I don't think there's room under that board for a piggy-backed ROM chip.
>
>Anyone know otherwise ?
>
>- Jonathan

I know I have a similar problem...

I have a //c with the RAM connector.  I have a NSC installed, as well as
an Apple 1 Meg RAM card.  My problem is because of the NSC, my RAM card
doesn't sit just right on its supports, and the back of the RAM card (The
side with all the exposed paths...) sits right up against the back of the
keyboard, causing similar problems.  I have a nice piece of tough plastic
sheet keeping the two insulated from each other, so it seems to work ok...

My question is this:  One of the RAM chips on the card is jammed up right
against the ROM piggy-backed on the clock.  Is this dangerous?  I mean,
will the two chips build up enough heat together to cause one of them to fail?



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