The option installs DirectHW.kext and then runs the flashrom utility to read the flash chip and save it to file.
biosbackup.rom (the ROM file) and flashrom_log.txt (the log) are saved in the latest dump/BIOS/System folder.
You can find out about flashrom at flashrom.org.
Source (DirectHW) | PureDarwin |
---|---|
Source (DirectHW) Binary | InsanelyMac |
Source (flashrom) | Original source |
Note | Root privileges are required to load the DirectHW.kext and run the flashrom tool. |