content: Not sure if your knowledge is a bit out of date (or if mine is), but every modern computer I have seen has been able to flash from within Linux/Windows without needing special hardware. Nowadays, the hardware is mostly just in case something goes wrong. I use coreboot though, and it is very easy from within coreboot: https://github.com/corna/me_cleaner/wiki/Internal-flashing-with-coreboot I should probably get around to writing that addendum about other reasons why people should use coreboot.