[Duo2400] Re: 2400c G3 Card questions

[gionpeters at comcast.net]

How do you tell if a capacitor is toast ?

Whatever the case, let us know how it goes.

Mad Dog
> Bah.
> 
> I put the G4 thermal paste on the die of the G3, and made it thick enough to
> contact the heat pad inside the PowerBook's case.  Installed it, it booted
> twice (locking up both times), and the proceeded to create a GLOD.  I
> swapped the card out, booted, then back in; got it to boot one more time,
> again locking up during boot.
> 
> The machine works fine with the stock 603e 180Mhz processor installed, but
> only give me a GLOD with the G3 installed now.  I've done a simple
> continuity test of the components on the card, and it looks like 6-10 of the
> surface mount resistors and capacitors are toast.
> 
> I'm sure I shorted it out during one of the installs.  I'm not in the mood
> to do more extensive testing of the parts, or try to track down replacements
> right now.  If I decide to attempt to actually repair the card, I'll let the
> list know how it goes.
> 
> I should call up some of the old Newer Tech engineers that I know and see if
> they can repair the card.  :D
> 
> Thanks all,
> 
> On 12/24/03 3:35 PM, "Chuck Kenney" <kenneyc at mac.com> wrote:
> 
> > I just received a Newer Tech Nupowr G3 240 for the 2400c from another list
> > member (thanks!), and have a few questions.
> > 
> > The card has a lot of thermal paste/grease on it as I received it.  I know
> > that making a new layer is usually best for thermal transfer.  Do I need to
> > apply thermal grease only on the G3 die itself, or across the entire block
> > it is in, as well?  I'll be using the same stuff that Apple uses for the
> > G4s, if it makes a difference.
> 
> --
> Chuck Kenney
> http://kenneyc.freefallsoftware.com/
> 
> 
> 
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