What is cfg lock. Secured-core configuration lock (config lock) is a new secured-co...
What is cfg lock. Secured-core configuration lock (config lock) is a new secured-core PC (SCPC) feature that prevents configuration drift from secured-core PC features caused by unintentional misconfiguration. Most motherboard vendors lock the MSR 0xE2 register, this is known as CFG-Lock, vendors might add an option to disable CFG-Lock within the UEFI menu, but it is not always the case. -Support Olarila Vanilla Hackintosh by making a donation HERE -About Premium Users you can check HERE -Problems with Paypal HERE -Installation Guide HERE -Hackintosh EFI folders HERE -Hackintosh USB Remap HERE Aug 4, 2025 · With config lock, the OS monitors the registry keys that configure each feature and when it detects a drift, reverts to the IT-desired state in seconds. Lock in a fixed rate with an online-only certificate of deposit with 4-Month, 7-Month and 14-Month CDs at Citizens. The XNU kernel requires access to this register for full CPU power management, Apple firmwares clearly has the register unlocked. This guide covers checking if your firmware supports CFG-Lock unlocking and performing the manual unlock procedure using GRUB Shell and firmware analysis tools. CFG lock was one of the few things left to tackle. Aug 11, 2024 · CFG-Lock is a setting in your BIOS that allows for a specific register (in this case the MSR 0xE2) to be written to. Visit Citizens and vView online CD rates and open an account today. Checking if CFG-Lock can be turned off Boot OpenCore and select the VerifyMsrE2 option in the picker. . By default, most motherboards lock this variable with many even hiding the option outright in the GUI. In the real-world on an intel platform you have no need to change it's value. Without it, we need some OpenCore kernel patches (setting AppleCpuPmCfgLock and CFG-Lock is a setting in your BIOS that allows for a specific register (in this case the MSR 0xE2) to be written to. Jul 22, 2018 · CFG Lock prevents OS X from writing to a certain region in your BIOS. It is an EFI Application. Ivy Bridge and older Motherboards featuring chipsets such as Z77, do not have a CFG Lock. If this option is about C-states, it should not influence P-states then? CFG Lock is a BIOS setting that allows writing to a specific register, in this case MSR E2 (MSR = Model Specific Register). This tool will tell you whether your BIOS supports CFG-Lock and if it can be unlocked. OS X does this for power management and other reasons, and if it can't access it, it will not boot. MTRs are also used to control CPU's acce This video is based on the Gigabyte Aorus Master Z390 but will be useful for any board. CFG-Lock is a setting in your BIOS that allows for a specific register (in this case the MSR 0xE2) to be written to. gith Now that my hackintosh Laptop is in its final stages. Jan 12, 2022 · CFG-Lock is a setting in your BIOS that allows for a specific register (in this case the MSR 0xE2) to be written to. Jun 1, 2020 · Generally speaking CFGLock. efi does what those tools do, but the only user interaction needed is to confirm that you want to toggle the CFG Lock value (on to off/off to on) and it works regardless where the CFG Lock option resides, as long as the BIOS has a CFG Lock option - hidden or not - in their HiiDatabase. An MSR consists of one or more registers in blocks of instructions used to do certain tasks on a CPU. for example. Guide:OpenCore Vanilla Hackintosh Desktop Guide: https://dortania. From what I gathered, MSR 0xE2, when set, locks the previous addresses of this register. Dec 7, 2025 · CFG-Lock prevents macOS from writing to the MSR 0xE2 register, which is required for native CPU power management. This is done at boot time and cannot be changed afterwards without a reset. Dec 10, 2010 · CFG-Lock is a setting in your BIOS that allows for a specific register (in this case the MSR 0xE2) to be written to. I have heard of a few methods to disable CFG… Jul 15, 2024 · How to fixing your BIOS CFG Lock for the perfect Hackintosh with good Power Management. When finding CFG Lock, there is VarStore too (marked with red box at first image) copy VarStore value, and find something like "VarStoreId: <your VarStore from CFG Lock>". mine has VarStore: 0x3, so i just find "VarStoreId: 0x3" and get the variable name (mine is "CpuSetup", little bit different with OP) Oct 20, 2020 · What is CFG Lock and MSR 0xE2? CFG Lock is a BIOS setting that allows writing to a specific register, in this case MSR E2 (MSR = Model Specific Register). Nov 6, 2014 · It unlocks MSR 0xE2 which then allows windows tools to change package C states as an example, if you google that MSR you'll see a lot of hits.
ofz fsy sul pjj qna nsy uvy sem nlf qaq fkj czz ghl ktg tyd