Hi; I am having trouble diagnosing a problem I am having with TWO 3400c/180 
motherboards...

Neither will boot. I have one screen, two Power Supply boards, two PRAM 
batteries and all of the rest of the parts needed to make one complete unit, but no 
matter the combination, NOTHING will make either motherboard work. 

I find it hard to believe that BOTH of my PRAM batteries are bad, since I 
just bought one (supposedly new) from e*a*. Same goes for my power supply boards 
also; one came w/ a non-booting 3400c, the other I recently bought "in working 
condition."

When a complete 3400c is put together using motherbaord "a" the green sleep 
light stays lit until I press the reset button. It goes off, but the Powerbook 
still will not start. 

When motherboard "b" is used inside a complete 3400c assembly, I got no green 
light at all, ever. And still no startup.

I have the parts to make a complete 3400c w/ a RAM module and everything, 
save for either a media module (floppy/cd-rom), or a battery in the bay.

Please help?

K. Ballard

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