On machines of this era, adding more cache is a law of diminishing returns. But if you want to squeeze as much performance out of your machine as possible, it is a cheap upgrade.

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Indeed. I am aware of the diminishing returns when it comes to cache although I was a little surprised at how diminished it was.

Then again in the Norton benchmark the actual app is small and I suspect that much of the test code fit in the 256K cache and that going to 512K didn't show up in the benchmarks due to this. I will have to experiment a bit and see if there is an improvement in 'real world' cases.

Thanks again