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

Richard Smith smithbone at gmail.com
Thu Mar 23 20:56:57 CET 2006

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

Many flash parts support a hardware lock where you can set a split. 
Areas that have been hardware locked can only be reprogrammed via the
right programming voltage which is normally much higher than Vcc.

Richard A. Smith

More information about the coreboot mailing list