Thinkpads

[sickcodes]

Note with Thinkpads the following from https://dortania.github.io/docs/latest/Configuration.html

ForceOcWriteFlash
Type: plist boolean
Failsafe: false
Description: Enables writing to flash memory for all OpenCore system variables.

Note: This value should be disabled on most types of firmware but is left configurable to account for firmware that may have issues with volatile variable storage overflows or similar. Boot issues across multiple OSes can be observed on e.g. Lenovo Thinkpad T430 and T530 without this quirk. Apple variables related to Secure Boot and hibernation are exempt from this for security reasons. Furthermore, some OpenCore variables are exempt for different reasons, such as the boot log due to an available user option, and the TSC frequency due to timing issues. When toggling this option, a NVRAM reset may be required to ensure full functionality.