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edit: temp text directions instead of Mermaid diagrams
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@ -12,19 +12,15 @@ The BIOS mod will **permanently** break TPM.
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Only mod the BIOS if you do not need TPM under Windows or Linux.
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///
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[:material-fast-forward-outline: Skip to Vanilla BIOS Settings](#vanilla-bios-settings){ .md-button }
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## BIOS Modding
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{ align=right width=200 }
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The CH341a SPI Programmer and SOIC8 Clip are needed to dump and flash the BIOS chip. An inexpensive one from Amazon/eBay is sufficient.
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The BIOS chip is located just above the CPU, hidden under the sticker shield.
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The BIOS chip is located just above the CPU, hidden under the shielding sticker.
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<figure markdown>
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{ loading-lazy width=300 }
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<figcaption>BIOS Chip Location</figcaption>
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<figcaption>X1C6 BIOS Chip Location</figcaption>
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</figure>
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<div class="grid cards" markdown>
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@ -49,7 +45,7 @@ Thank you to `paranoidbashthot` and `\x` for creating the patches.
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4. Confirmed working `BIOS-v1.45`, I cannot be sure about other BIOS versions. Though they will most likely work as well.
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5. The modded BIOS does not need to be signed by `thinkpad-eufi-sign`. Remember to replace `4C 4E 56 42 42 53 45 43 FB` with `4C 4E 56 42 42 53 45 43 FF` on the patched BIOS.
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6. Your BIOS chip may not be made by Winbond, but by Macronix instead. In that case, add the argument `-c MX25L12835F/MX25L12845E/MX25L12865E` to `flashrom`. See [Issue #116](https://github.com/tylernguyen/x1c6-hackintosh/issues/116#issuecomment-778654320)``
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6. Your BIOS chip may not be made by Winbond, but by Macronix instead. In that case, add the argument `-c MX25L12835F/MX25L12845E/MX25L12865E` to `flashrom`. See [Issue #116](https://github.com/tylernguyen/x1c6-hackintosh/issues/116#issuecomment-778654320)
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/// success
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Successfully modding your BIOS will reveal the `Advance Menu` tab.
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@ -63,132 +59,31 @@ It is safe to update the BIOS. However, the patches will have to be reapplied an
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## Modded BIOS Settings
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DVMT Pre-Allocated will enable 4K HDMI output.
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Disabling CFG Lock gives Kernel (XNU) and AppleIntelPowerManagement the ability to write to the MSR 0xE2 register.
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``` mermaid
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graph LR
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id1[Advance Tab]-->id2[Intel Advanced Menu];
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id2-->id3[System Agent Configuration];
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id2-->id4[Power & Performance];
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id3-->id5[Graphics Configuration];
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id4-->id6[CPU - Power Management Control];
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id5-->|DVMT Pre-Allocated|64M;
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id6-->id7[CPU Lock Configuration];
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id7-->|CFG Lock|Disabled;
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```
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### Optimization Settings
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/// tip | Undervolting
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I also recommend undervolting your machine. Be sure to verify your resulting by stress testing with `Prime95` and `Heaven Benchmark`.
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The following are stable settings for my x1c6 with `i7-8650U`, repasted with Thermal Grizzly.
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///
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``` mermaid
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graph LR
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id1[Advance Tab]-->id2[Intel Advanced Menu];
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id2-->id3[OverClocking Performance Menu];
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id3-->|OverClocking Feature|Enabled;
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id3-->Processor;
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id3-->GT;
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id3-->Uncore;
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Processor-.->|Voltage Offset|100;
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Processor-.->|Offset Prefix|id4[-];
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GT-.->|GT Voltage Offset|id8[80];
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GT-.->|Offset Prefix|id5[-];
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GT-.->|GTU Voltage Offset|id8;
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GT-.->|Offset Prefix|id5;
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Uncore-.->|Uncore Voltage Offset|80;
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Uncore-.->|Offset Prefix|id6[-];
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```
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/// setting | Optimize CPU **performance** at the cost of battery
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///
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``` mermaid
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graph LR
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id1[Advance Tab]-->id2[Power & Performance];
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id2-->id3[CPU - Power Management Control];
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id3-->|Boot Performance Mode|id4[Turbo Performance];
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id3-->|Config TDP Configurations|Up;
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```
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/// setting | Optimize **battery time** at the cost of performance
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///
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``` mermaid
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graph LR
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id1[Advance Tab]-->id2[Power & Performance];
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id2-->id3[CPU - Power Management Control];
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id3-->|Boot Performance Mode|id4[Max Battery];
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id3-->|Config TDP Configurations|Down;
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```
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- DVMT Pre-Allocated to `64M`. This enables 4K HDMI output.
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- Disable CFG Lock. This gives Kernel (XNU) and AppleIntelPowerManagement the ability to write to the MSR 0xE2 register.
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## Vanilla BIOS Settings
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These BIOS settings must be made to install and run macOS without any problems:
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``` mermaid
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graph LR
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id1[Main Menu]-->Security;
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id1-->Config;
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id1-->Startup;
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Security-->TPM[Security Chip];
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Security-->Fingerprint;
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Security-->SBC[Secure Boot Configuration];
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Config-->Network;
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Startup-.->|UEFI/Legacy Boot|id4[UEFI Only];
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Startup-.->|CSM Support|No;
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TPM-.->|Security Chip|id2[Disabled];
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Fingerprint-.->|Predesktop Authentication|id2;
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SBC-.->|Secure Boot|id2;
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Network-.->|Wake on LAN|id3[Disabled];
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Network-.->|Wake on LAN from Dock|id3;
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Network-.->|UEFI IPv4 Network Stack|id3;
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Network-.->|UEFI IPv6 Network Stack|id3;
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```
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- Disable TPM
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- Disable Secure Boot
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- Disable Fingerprint Reader
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- 'UEFI Only' Boot
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- Disable CSM Support
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- Disable Wke on LAN
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/// tip
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You can also disable hardware/features you do not need to save power, some examples are:
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///
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### Thunderbolt 3 Coldplug
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``` mermaid
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graph LR
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id1[Main Menu]-->Security;
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id1-->Config;
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Security-->id2[I/O Port Access];
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Config-->USB;
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id2-->|Wireless WAN|id3[Disabled];
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id2-->|Fingerprint Reader|id3;
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id2-->|Memory Card Slot|id3;
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USB-->|Always on USB|Disabled;
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```
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### Thunderbolt 3 Settings
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/// setting | Thunderbolt 3 Coldplug
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If you **DO NOT use Thunderbolt 3 hotplug** in macOS (don't mind shutting down the machine to connect TB3 devices), this will drastically lower power consumption:
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///
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``` mermaid
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graph LR
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id1[Main Menu]-->Config;
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Config-->id2[Thunderbolt 3];
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id2-.->|Thunderbolt BIOS Assist Mode|Enabled;
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id2-.->|Thunderbolt Device|Enabled;
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```
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- Enabled Thunderbolt BIOS Assist Mode
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- Enable Thunderbolt Device
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### Thunderbolt 3 Hotplug
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/// setting | Thunderbolt 3 Hotplug
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If you **DO use Thunderbolt 3 hotplug in macOS** (at the expense of idle power consumption):
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///
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``` mermaid
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graph LR
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id1[Main Menu]-->Config;
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Config-->id2[Thunderbolt 3];
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id2-.->|Thunderbolt BIOS Assist Mode|Disabled;
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id2-.->|Security Level|id3[No Security];
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id2-.->|Support in Pre Boot Environment: Thunderbolt Device|Disabled;
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```
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- Disable Thunderbolt BIOS Assist Mode
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- Security Level to `No Security`
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- Disable Support in Pre Boot Environment
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