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