Chips

[garyh@pro-novapple.cts.com (Gary Hayman)]

In the past 3 days, two "heavy" users of their IIGS's contacted me about
"failure to boot" problems. We solved the problems by "chip pushing."
 
If your system is acting up, make sure that you re-seat all removable
chips on the mother board and all cards, including memory and accelerator.
 
Push each removable type chip on the motherboard with two thumbs. Listen
for a "crackling noise" as you do it. Remove the memory card and place it
on a firm surface of support under the chips and push with two thumbs.
 
You may want to leave the accelerator in the machine while you re-seat
chips, supporting the back as you do. I try not to mess too much with the
thin legged connector to the mother board as the legs are "too easily"
bent.
 
While you are at it, check the other cards you may have installed.
 
Heating and cooling plus the "gravity of the moon" seems to cause the
chips to work out slightly -- or at least get a "coating of shellac" on
the pins that is overcome by the gentle but firm pushing.
 
I find that every once and a while, it is a good idea to do this even
though you are not having problems. When you hear the "crackling" you'll
know why.

       ========================= [ GARY ] =========================
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