[comp.sys.apple] Strange pins on Rom 3

henrym@pro-europa.cts.com (Henry Malmgren) (10/15/89)

Comment to message from: dlyons@apple.com (David Lyons)

Dave, I was recently examining my motherboard of my ROM 3 machine, and I found
two pins that I have no idea what they are for.  They are located kind of
close to the main banks of memory.  I know they aren't for the fan or the
Ensoniq chip, so what are they for?  I'm guessing that they are what allows
the new machine to lock out the control panel, but since the manual doesn;
doesn't mention this, I can't be sure.  Is there any way I can get a jumper
for those pins (not that I need it, just a neat thing to have)?


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dlyons@Apple.COM (David Lyons) (10/21/89)

In article <8910150507.AA16059@trout.nosc.mil> henrym@pro-europa.cts.com (Henry Malmgren) writes:
>Comment to message from: dlyons@apple.com (David Lyons)
>
>Dave, I was recently examining my motherboard of my ROM 3 machine, and I found
>two pins that I have no idea what they are for.  They are located kind of
>close to the main banks of memory.  I know they aren't for the fan or the
>Ensoniq chip, so what are they for?  I'm guessing that they are what allows
>the new machine to lock out the control panel [...] Is there any way I can get
>a jumper for those pins (not that I need it, just a neat thing to have)?

Yup, that's what they're for (I'll take your word for the location...my
machine is a prototype that doesn't actually have them).  You could just
clip an alligator clip onto them or something, especially if you just want
to try it out.
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