According to https://www.coreboot.org/Board:lenovo/x230#Internal_Flashing , yes the internal flashing is possible on x230 - however, you may have to boot with an extra iomem=relaxed Linux kernel flag. The simple ways of verifying could be adding a custom splash screen or boot message that you recognize, or reading a firmware internally and checking its' SHA256 sometimes. Also, there are more advanced ways of verification, such as vboot.
On Mon, Feb 22, 2021 at 8:57 PM Louis via coreboot coreboot@coreboot.org wrote:
Hello,
Just wanted to say thank you for creating this firmware it is a great project and I hope I can contribute to it one day.
I have an x230 preinstalled with Coreboot skulls, am I able to re-flash Coreboot skulls internally just through the OS or is there a way to verify that the firmware installed on the system hasn't been modified in any way, thank you.
Kindest regards,
Louis
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