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G5/2.5 quad-core (Oct. 2005)

The issue: Kernel panic G5 2.5 quad-core running Leopard

For a number of years! we held back updating our G5/2.5 quad-core (Oct. 2005) Powermac to OSX 10.5 (Leopard)

The first attempt resulted in endless kernel panics which we originally put down to non-leopard compatible third party RAM.

We had 8 Gigs of the stuff supplied by OWC at enormous cost (by today’s prices) so was reluctant to replace it all just to move up to the latest operating system. Too much work to do so lets shelve the upgrade…

However, after growing old with Tiger and finding too many updates (e.g. CSSEdit) would no longer work without Leopard, the plunge was taken and the G5 was fitted out with 16 GIG of Crucial 2GB 240-pin DIMM sticks.

Next step, upgrade Tiger to Leopard………………….

MORE KERNEL PANICS!!! ARGGHHHHH!

After much Applejacking & Diskwarrioring & Techtooling
we finally realized that one of the 4 disks in the Quad had disappeared from the desktop….. mmmnnnn….. so its the disk causing the panics? No, to cut a long story short, the culprit turned out to be the Sonnet Tempo SATA E4i card. Rather, the drivers for the SATA card.

The following apple discussions post says it all: https://discussions.apple.com/thread/1198448?start=0&tstart=0


 

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