[G4] Mirror Door G4 dual 1 GHz power problems

[Robert H. Baucom]

Is it still  called the CUDA button ? They used to tell you to hold  
it down for about 30 seconds.
Then there was the old "Dr. Pepper Cure"

RHB

On Jan 11, 2009, at 8:32 AM, Thomas DeBoni wrote:

> Try Resetting the PMMU. There's a tiny push-button switch on the  
> mother-
> board, somewhere, and it should be marked. Then reset the PRAM again.
>
> Tom DeBoni
>
> On Jan 11, 2009, at 6:51 AM, Jim Robertson wrote:
>
>> 1. Computer won't start up from the "power up" button unless I  
>> pull and
>> reinsert the power cord.
>> 2. When I do this, it often reverts to an ancient date (1967 as I  
>> recall).
>> 3. The PCI ethernet card is reporting an enormous number of recvd  
>> errors in
>> Network Utility.
>>
>> I've zapped PRAM, replaced the PRAM battery (but found there's  
>> still 3.7
>> volts in the original battery after doing so), and reset the  
>> motherboard,
>> yet all problems persist.
>>
>> Is it time to give up on this box? It has an upgraded video card that
>> supports two monitors, 2 Gigs of RAM, and a 250 Gbyte hard drive,  
>> so I don't
>> want to toss it if it's salvageable, but I don't know what to try  
>> next.
>>
>> Currently it's running OS X 10.5.0 (it cannot download the  
>> combined 10.5.6
>> updater because of the ethernet traffic errors; it typically gives up
>> because of network problems HOURS into the download attempt.
>>
>> Thanks so much,
>>
>> Jim Robertson
>> -- 
>>
>>
>>
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