UnderVolter. Native UEFI/EFI utility for Intel CPU power management (2nd-15th Gen). Direct MSR/MMIO access for undervolting, power limits, and V/F curves. Features built-in NVRAM patching (CFG/OC Lock) for Plundervolt research and Secure Boot SelfEnroll with embedded root CA. Bare-metal, self-contained, and driven by UnderVolter.ini. No OS required.

github.com/wesmar/UnderVolter

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