What is CFGLock CFGLock is a setting in your BIOS that allows for a specific register (in this case the MSR 0xE2) to be written to By default, most motherboards lock this variable with many even hiding the option outright in the GUI And why we care about it is that macOS actually wants to write to this variable, and not just one part of macOSLine (related bug )You can also modify a preference but allow it to be changed or reset in the current session by adding aHi lads, During a recent reddit chatter regarding CFG Lock, i was told that it is possible to change it, with quite ease too It looks like something that wouldnt survive a BIOS update (quite normal for dual booters) Anyway, i know from the Desktop builds that i did, having the option on the BIO
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Cfg lock dell-Share Copy link Info Shopping Tap to unmute If playback doesn't begin shortly, try restarting your device You're signed out Videos you watch may be added to the TV's watch history andDell must have silently pushed a BIOS update through Windows Update that disabled undervolting to mitigate the Plundervolt vulnerability I had to unpack the BIOS and find the CFG Lock offset, then use an EFI shell to toggle the bit manually to restore undervolting I could also downgrade to 180, but I'd like to keep the other security fixes
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A regards the fix by Dell owners, I am able to use UEFITool and find "CFG Lock" and "Overclocking Lock" within a BIOS file downloaded from MSI website, but I will wait form someone more confident to perform this mod for MSI Reactions AsRock and unclewebb M m4serealCPU power management CFG lock ??Only applicable for Haswell and newer Note Ivy BridgeE is also included as it's XCPM capable;
Dell Alienware 15 r4 iH need help with Intel UHD 630 1 2 By Darkshadow70, July 15, 11 replies;CPU audio device What is this exactly?We currently have a config lock on one of our DMX 3 due to the fact we are to add extra disk to the arrays The config lock is due to stay on for a week or so A requirement as come up at the same time to delete some dynamic SRDF pairs Could some one please confirm if Enginuty will allow me to do t
CFG lock has no real utility unless you're a hackintosh user Its a portion of the UEFI that is written to by the OS for CPU power management Basically allows for greater OS dictated Cstate control Its locked by default in all xps 7590 UEFI versions and the majority of other motherboards as Window's doesn't utilise itMsr 0xe2 (and 1 more) ged with cfg lock;Couldn't say This was my first dive into modding a BIOS The guy who figured it out in that Reddit thread was doing it because MacOS uses the advanced processor power control features that are locked behind those "CFG Lock" and "OC lock" variables, so fiddling with them is a common step when building a hackintosh
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So I was about to install Yosemite on my new SSD and one the the setting it says to disable is CFG lock I cant find it!Call Dell tech support and ask for it I think I know what it is but I don't feel like it's a good idea to publish it on the forums If Dell won't give you the password, send me a message and I'll give you one you can try Removing the button cell battery should work You have to leave it out for 5 minutes or so and you the system has to beWhat is C states in BIOS?
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Fixing CFG Lock Attention to all users, please note this guide and other khronokernel sites will be shutting down on April 16th, Reason for this is we've decided to move the guides to a dedicated organization to help simplify the hackintosh process and provide a single, trusted source for hackintosh informationLast edited Oct 4, 14 MagnusTheBrewer Lifer Jun 19, 04 24,142 1,586 126 Oct 4, 14Fix CFG Lock If you have gone through the Dortania's OpenCore Install Guide carefullly enough, you may find that of all the BIOS settings, disabling CFG Lock is particularly frustrating, since no GUI configuring option is provided In order to fix this issue, you will need to first
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Most motherboard vendors lock the MSR 0xE2 register, this is known as CFGLock, vendors might add an option to disable CFGLock within the UEFI menu, but it is not always the case The XNU kernel requires access to this register for full CPU power management, Apple firmwares clearly has the register unlockedOnly needed when CFGLock can't be disabled in BIOS;CFG lock has no real utility unless you're a hackintosh user Its a portion of the UEFI that is written to by the OS for CPU power management Basically allows for greater OS dictated Cstate control Its locked by default in all xps 7590 UEFI versions and the majority of other motherboards as Window's doesn't utilise it
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DMI link ASPM Control ?Active frequency mode ??Dell must have silently pushed a BIOS update through Windows Update that disabled undervolting to mitigate the Plundervolt vulnerability I had to unpack the BIOS and find the CFG Lock offset, then use an EFI shell to toggle the bit manually to restore undervolting I could also downgrade to 180, but I'd like to keep the other security fixes
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CFG lock is disabled now To verify, use the VerifyMsrE2 tool (https//drivegooglecom/file/d/1tItmnh3WlMhKXUy7UtoapPLpg6mEsWL/view?usp=sharing), or just try booting macOS without AppleCpuPmCfgLock and AppleXcpmCfgLock quirks Be aware that resetting your BIOS will also reset the CFG Lock, and you will need to do this over againMSR 0xE2 is quite typically locked by PC OEMs aka "CFG lock" In your case (Ivy hardware in your profile), AsusAICPUPM=true takes care of the problem by patching AppleIntelCPUPowerManagementkextDell tried to fix this by using foam but its just not adequate Use electrical tape and cover the top of the blue fins to the fan Next get some thermal pads and put it on the center of the heat sink so that it contacts the copper on the base when closed
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Big Sur on a Dell G3 3579 and Mojave on an AMD build Both works flawlessly 232 8 comments share save hide report 109Cstates are idle power saving states, in contrast to Pstates, which are execution power saving states During a Pstate, the processor is still executing instructions, whereas during a Cstate (other than C0), the processor is idle, meaning that nothing is executing Click to see full answerCFG Lock variables Dell OptiPlex 7010 (BIOS 9) & Lenovo W541 w/ Nvidia Quadro K2100M QUESTION Hi I have made serval hackintoshes of the years, but these two models are giving me fits I've searched all over the 'Net for information on disabling the hidden CFG Lock on these two models
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Couldn't say This was my first dive into modding a BIOS The guy who figured it out in that Reddit thread was doing it because MacOS uses the advanced processor power control features that are locked behind those "CFG Lock" and "OC lock" variables, so fiddling with them is a common step when building a hackintoshLast edited Oct 4, 14 MagnusTheBrewer Lifer Jun 19, 04 24,142 1,586 126 Oct 4, 14(B450M, RYZEN 5 1600AF, RX 580) Just picked up a PCIe 40 SSD (SBROCKETNVMe42TB) for my Hackintosh Stupid fast speeds Highly recommended
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Opencore 063 allows you to work around CFG lock by giving you these values AppleXcpmCfgLock and AppleCpuPmCfgLock in Kernel > Quirks However, the community seem to think this might cause instability issues so you might want to disable this CFG Lock in your BIOS and set those values to falseRestart your laptop and boot into the BIOS Do a factory reset Now your CFG lock will be disabled You can confirm that by running the VerifyMSR2 option If you update your BIOS, you may need to do this again but so far Dell has been kind to usIt now can read my BIOS it now and make a backup (although there is a problem in the parse "FileHeader file alignment 10h is greater than parent volume alignment 8h") but I still can't find CFG Lock and I've tried to extract it into a readable file but didn't work, too
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Dynamic Storage Acceletor ??Call Dell tech support and ask for it I think I know what it is but I don't feel like it's a good idea to publish it on the forums If Dell won't give you the password, send me a message and I'll give you one you can try Removing the button cell battery should work You have to leave it out for 5 minutes or so and you the system has to bePci express native power ?
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PEG ASPM ?AppleXcpmCfgLock Only needed when CFGLock can't be disabled in BIOS Avoid unless necessary AppleXcpmExtraMsrs Disables multiple MSR access needed for unsupported CPUs CustomSMBIOSGuid Performs GUID patching for UpdateSMBIOSMode Custom mode Usually relevant for Dell laptopsTyping setup_var cfg lock address here 0x00 to disable cfg lock Typing setup_var DVMT address here 0x03 to increase DVMT to 96M Easy for DELL OptiPlex 90 Since I've already finished these steps above, just type the following command
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CFG Lock in DELL INSPIRON 3421 CFG Lock in DELL INSPIRON 3421 msr 0xe2;I tried to release the lock using force but the lock is still not removed Below is the output from the command C\Program Files\EMC\SYMCLI\bin>symcfg sid 128 lockn 15 release force Interrogating Configuration Server for config change session informationDynamic Storage Acceletor ??
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An other way is to disable CFG Lock in the BIOS despite the fact that there is no option available in the user interface One way to do so is to use UEFITool, ifrextract and a patched Grub Which is not only cumbersome, also it will work only, if the storage used for CFG Lock is in a certain varstoreCustomSMBIOSGuid NO Performs GUID patching for UpdateSMBIOSMode set to Custom Usually relevant for Dell laptopsCFG lock is disabled now To verify, use the VerifyMsrE2 tool (https//drivegooglecom/file/d/1tItmnh3WlMhKXUy7UtoapPLpg6mEsWL/view?usp=sharing), or just try booting macOS without AppleCpuPmCfgLock and AppleXcpmCfgLock quirks Be aware that resetting your BIOS will also reset the CFG Lock, and you will need to do this over again
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To disable CFG Lock you can either use a quirk in OpenCore or disable it properly We will disable it Entering setup_var 0xD 0x0 will disable CFG Lock To revert simply execute the command again but replace 0x0 with 0x1Pci express native power ?S bigsur cfglock dell xps 13 laptop jbhul Joined Oct 3, 15 Messages 3 Motherboard Dell XPS 13 9365 2 in 1 CPU i77Y75 Graphics HD615, 19 x 1080 Jan 3, 21 #1 Hello Y'all, I am trying to install Big Sur on a Dell XPS 13 9365 and am running into an issue setting the
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What is CFG Lock and MSR 0xE2?Since you can't access this setting from Dell's BIOS, you'll need to use the EFI shell to accomplish this See my guide here Below are the locations found for DVMT Preallocated and CFG Lock Set DVMT @ 0x255 to 0x4 Set CFG Lock @ 0xC8B to 0x0 (not sure if this necessary, but it didn't break anything) Here are the commands from EFI ShellAn other way is to disable CFG Lock in the BIOS despite the fact that there is no option available in the user interface One way to do so is to use UEFITool, ifrextract and a patched Grub Which is not only cumbersome, also it will work only, if the storage used for CFG Lock is in a certain varstore
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Jake Lo 1677 Posted July 24 Jake Lo Forum Moderator & Tech Guru;CPU level up ?Motherboard Dell XPS 13 9365 2 in 1 CPU i77Y75 Graphics HD615, 19 x 1080 5 minutes ago #1 Hello Y'all, I am trying to install Big Sur on a Dell XPS 13 9365 and am running into an issue setting the CFG Lock
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CPU power management CFG lock ??Active frequency mode ??CFG Lock is a BIOS setting that allows writing to a specific register, in this case MSR E2 (MSR = Model Specific Register) An MSR consists of one or more registers in blocks of instructions used to do certain tasks on a CPU MTRs are also used to control CPU's
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Other uses for the mozillacfg file In addition to locking preferences and disallowing changes with lockPref();Page 2 of 2 Recommended Posts Moderators;0x One Of CFG Lock, VarStoreInfo (VarOffset/VarName) 0x3E, VarStore 0x3, QuestionId 0x166, Size 1, Min 0x0, Max 0x1, Step 0x0 {05 91 AD 03 AE 03 66 01 03 00 3E 00 10 10 00 01 00} 0x764A8 One Of Option Disabled, Value (8 bit) 0x0 {09 07 04 00 00 00 00}
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CPU audio device What is this exactly?Dell XPS 13 9365 CFG Lock Thread starter jbhul;Lines, you can use the mozillacfg file to make other preference changes You can set a new default value for a preference by adding a defaultPref();
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Close 1 Posted by 5 years ago Archived CFGlock?Opencore 063 allows you to work around CFG lock by giving you these values AppleXcpmCfgLock and AppleCpuPmCfgLock in Kernel > Quirks However, the community seem to think this might cause instability issues so you might want to disable this CFG Lock in your BIOS and set those values to falseA regards the fix by Dell owners, I am able to use UEFITool and find "CFG Lock" and "Overclocking Lock" within a BIOS file downloaded from MSI website, but I will wait form someone more confident to perform this mod for MSI Reactions AsRock and unclewebb M m4sereal
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By Loctran, July 23 in Other Dell laptops Share Followers 2 Reply to this topic;PEG ASPM ?Dell tried to fix this by using foam but its just not adequate Use electrical tape and cover the top of the blue fins to the fan Next get some thermal pads and put it on the center of the heat sink so that it contacts the copper on the base when closed
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Intel WiFi Drivers for macOS Contribute to OpenIntelWireless/itlwm development by creating an account on GitHubCFG Lock in DELL INSPIRON 3421 1 2 By Loctran, July 23, cfg lock;Took an entire day but now it runs flawlessly!
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