[G4] Mirror Door G4 dual 1 GHz power problems

[Thomas DeBoni]

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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