[LinuxBIOS] [Fwd: Hardware Write-Protect for BIOS & EC]

Ronald G Minnich rminnich at lanl.gov
Thu Mar 23 18:38:17 CET 2006

Lu, Yinghai wrote:
> 1. in you suggestion. When you are flash the rom, if sth go wrong (lose
> power), you will corrupt your rom.
> 2. are you going to use fallback image with normal image?
> If so you can disable the write to last 128K ( fallback image part) via
> HW jumper.  ---- No one could change the fallback image without remove
> the jumper. Some MB already have that for last 64k.

I think that having a 'you can never write this' bios image would be 
useful. The power fail scenario is a concern.


More information about the coreboot mailing list