duc01k@disroot.org:
Hi, Does flashing coreboot/tianocore payload change the settings options available in the BIOS setup of a device? I'm talking about the device/hardware config options (e.g. enable/disable Secure Boot, enable/disable hardware devices etc.) that can be accessed pre-boot by pressing a dedicated key. If it does make changes to this, is it possible to know in advance which options will be available after flashing?
Most of those options are configured only when you build Coreboot. There are a handful left you can configure if you include the nvramcui payload that deal with low level things like memory speed, etc. It is difficult to tell in advance exactly what they will be.