Moderators Jake Lo Posted January 22, 2021 Moderators Share Posted January 22, 2021 bootarg under NVRam should take precedence alcid=12 But looks like it's coming from the DSDT under HDEF is set to 14 Link to comment Share on other sites More sharing options...
TheOtherOne Posted January 24, 2021 Author Share Posted January 24, 2021 I was trying to get my usb problems done and that it always shows iMac Pro 1,1 instead of mbp 12,1 (when I choose MBp 11,1 it won't boot). I have no idea how to solve it. Right now only EC2 USB part is shown. Could someone have a look please. EFI BIGSUR2.zip Link to comment Share on other sites More sharing options...
Administrators Hervé Posted January 24, 2021 Administrators Share Posted January 24, 2021 With MBP11,1 (which is the desired target), use the -no_compat_check boot arg depending on the version of Big Sur you try to install. I've cleaned up your OC config. Try it out: config.plist.zip Link to comment Share on other sites More sharing options...
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