User:GNUtoo/make boot software writable for recent Intel computers
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Coreboot has an uttility in util/ifdtool for that.
- power off the laptop totally (remove the power, the battery etc...)
- connect an external programmer to the BIOS flash chip.
- dump the chip content with flashrom and that external programmer.
- run ifdtool on the extracted chip content
- reflash the modified content