[Duo2400] Re: 2400c G3 Card questions

[Chuck Kenney]

A capacitance tester, or they're oozing.

I don't have one here, so I'll have to wait until work to check those.
Right now, it's just an educated guess on two of them.

On 12/25/03 4:53 PM, "gionpeters at comcast.net" <gionpeters at comcast.net>
wrote:

> 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/
>> 
>> 

-- 
Chuck Kenney

FreeFall Software
http://www.freefallsoftware.com/

"you don't need more memory, you need minions"
                   -- monkey++ about me needing a faster G4