CUDA or PMU

[Nancy Haitz]

I have couple of questions, based on John Wilson's Dead G4 problem.  
(Hope John has found the answer)

Several folks mentioned pushing the CUDA or PMU as a possible cure to 
getting John's G4 going again.   On a G3 or G4 motherboard are we 
talking about the same button, or is there one for each.  I am familiar 
with the CUDA on the 9600 and other older Macs.  And, know about 
resetting the Power Manager on Laptops. My new-to-me G3B&W/400 has two 
buttons next to the battery:  one labeled S4 and another labeled S5.

I tried to search Apple's archives for info related to the CUDA and 
PMU, in an effort to improve my understand of the  G3.  Apple seems to 
have permanently removed the two related Tech Info Articles, although 
there are lots of references to them.  (#111934 Power Macintosh G3 Blue 
and White Resetting the PMU on Logic Board and #111935 Power Macintosh 
G3 Blue and White Resetting the CUDA Chip)  Since Apple has removed the 
Tech Articles, and the MacGurus site is still under construction, does 
anyone know where I can find a nice photo or drawing of the G3 
motherboard with identification of the important items?

I was able to find articles related to the G4.  For anyone else who is 
interested I found three useful Tech Info Articles on Apple's site:
     #95035 - Power Mac G4 Logic Board Diagram
     #95066 - Power Mac G4 Resetting the Logic Board
     #95037 - Power Mac G4 Resetting the PMU on the Logic Board
     #95065 - Power Mac G4 Resetting the CUDA Chip
     #58561 - Power Mac G3 & G4 - Power Supply Voltage Test

Thanks!
Nancy


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