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

[Richard Smith]

>
>
> 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