[G4] Leopard crashes

[Steven Six]

I installed the NewerTech dual 1.6 processor and 2G RAM on my Sawtooth 3 years ago. No problems with Tiger. I later upgraded to Leopard with no problems. I did, however, have some similar issues to what you are describing when I installed a couple of PCI cards, so I had to ditch them. Not sure if that is related to your problems though. The short of it is that I do know the processor should be running just fine with Leopard. Perhaps another attempt at the Leopard install is what you need. 

On Dec 5, 2011 , at 5:11 PM, KReitz <kristen at atmyhome.org> wrote:

> List,
> 
>    I purchased and have been attempting to use NewerTech 1.6GHz dual processors, a used product. These processors seemed OK with 10.4 but I didn't run it much choosing to upgrade to 10.5 as soon as possible. I ran into significant troubles with the 10.5 install of Leopard for the installer would not be able to find my SATA drive (on a Sonnet SATA controller). And my DVD drive can not read dual layer DVD's. Even if I used another Mac and Firewire so I could run the DVD, the drive couldn't be found. If I remember right I put the SATA drive into an external case and plugged into a FW port, and through another FW port plugged in another Mac to run the DVD. What a mess to get installed.
> 
>    After installation and updates I found that the computer became unresponsive except for the mouse pointer after sleeping. For example I was listening through iTunes music from my media server and could not regain control of the computer. I also found that even with sleep controls set to off the computer would sleep anyway, and again I lose control. I also found that it would spontaneously lock up for reasons unknown while using the computer if an application wasn't active. The logs never reveal a problem. Oh, and Time Machine would back up but fail to recover. I only know it put data on the disk because later I could view the data. It makes one wonder if the processors are any good.
> 
>    All these lockups causes me to reboot the machine without calling shutdown. Eventually I lost the drive's partition with an unrecoverable error. So I reformatted and reinstalled Tiger again. This time Tiger seems to work perfectly. Not a single hitch found so far but I only just installed and did updates. Makes me wonder if the upgrade path is too funky and perhaps I should try to reinstall Leopard again. I really do like Leopard over Tiger but if I can't use the computer, well what's the use?
> 
> I wonder if others here have experienced this kind of problems from their G4 upgrades and those running Leopard. Perhaps it's best to stay with Tiger so I am researching options
> 
> I have a Gigabit G4 (Mystic) with 1.5GB RAM
> 
> Thanks for your input
> 
> Kristen
> 
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