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E6420: What BIOS settings for High Sierra?


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There is a dedicated thread for the E6220 BIOS settings pinned at the top of this very section; 'pretty sure your E6420 will have the same set of parameters. Make sure to use there latest BIOS, just in case.


I you also look into my E6220 Mojave guide, you'll notice there's no need for a patched DSDT and that a small set of add-on patched SSDT tables does suffice. This is of course transposable to High Sierra.

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