uniserver, this one doesn't boot 9.2.2.

Yes, yes, 512K! 256K!

but if the problem is less cache on the iMac you're not going to be able to close the gap much no matter what you do.

Click to expand...

And that's what I'm privately suspicious is the cause. I need to do a little detailed benchmarking before I come to a conclusion. If it looks like my load is mostly cache-limited, I don't think that overclocking is worth the hassle.