-`XCPM` stands for **XNU CPU Power Management**. It's Apple's modern CPU power management system introduced in OS X Mavericks (10.9) for **Haswell** and newer Intel processors. This guide explains how to re-enable `XCPM` with a kernel patch, 2 kernel quirks and a modified `SSDT-XCPM.aml` or `SSDT-PLUG.aml` to use the `X86PlatformPlugin` (i.e. setting Plugin Type to `1`). XAlthough Ivy Bridge CPUs are capable of utilizing `XCPM`, it's deactivated in macOS. And there isn't much info about how to re-enable it in OpenCore's documentation:
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