[G4] kernel panics across different volumes; RAM?

[Wayne Clodfelter]

Thank you John, for your considerate and informative reply. I will  
review the article you referenced.
BTW, the Sawtooth has not had a kernel panic since I removed all but  
the one stick of PC 133 memory--about 24 hours now.


On Sep 20, 2005, at 1:46 PM, John Baltutis wrote:

> On 09/19/05, Wayne Clodfelter <wayne at troutnc.com> wrote extensively  
> about
> KPs, suspect RAM, and ended with:
>
>>
>> So my question(s) to the list (are):
>> Is the RAM the primary suspect?
>>
>
> Yes. Tiger's RAM requirements are more stringent than Panther's.
>
>
>> Could PC 133 and PC 100 sticks co-exist under Panther for 2 years  
>> with no
>>  problem, and become problematic under Tiger? Even to the point of  
>> showing
>> up under Panther?
>>
>
> Yes. However, IIRC, the all mixed RAM modules will operate at the  
> lowest
> capability among the set.
>
>
>> Even to the point of showing up under Panther?
>>
>
> Yes, if the bad RAM screwed up the underlying machine defaults when
> panicing. I suggest resetting the machine's default settings, using  
> the
> following steps:
>
> Restart the machine booting into Open Firmware (holding down these  
> keys
> until you get a text screen: OPT+ CMD + O + F). Then, enter these  
> commands,
> following each with hitting the return key:
>
> reset-nvram
> set-defaults
> reset-all
>
> For details, see <http://docs.info.apple.com/article.html? 
> artnum=60285>.
> Note that, although the article is an overview for network servers,  
> "most
> of the information included applies broadly to all PCI Macintosh  
> systems"
> and is, IMHO, their definitive guide to Open Firmware and I  
> recommend its
> perusal.
>
> Once the machine boots up, you should test the RAM modules, one at  
> a time,
> with the Apple Hardware Test that came with the machine. If that's not
> available, then try MemTest, available at <http:// 
> www.memtestosx.org/>.
>
>
>> Could it still be software induced?
>>
>
> Not as far as I know, but the panics could have screwed up the  
> machine's
> defaults-see above.
>
> _______________________________________________
> G4 mailing list
> G4 at listserver.themacintoshguy.com
> http://listserver.themacintoshguy.com/mailman/listinfo/g4
>
> Listmom is trying to clean out his closets! Vintage Mac and random  
> stuff:
>          http://search.ebay.com/_W0QQsassZmacguy1984
>
>

Regards,

Wayne Clodfelter
wayne at troutnc.com