Re: common flash hw write enable methods

[Bari Ari]

Ronald G. Minnich wrote:
> On Sun, 1 Dec 2002, Andrew Kohlsmith wrote:
> > Now I know that every motherboard is different and that there may be other 
> > things locking me out, but generally speaking is there an "industry standard" 
> > way of enabling/disabling BIOS reflash?
>
> No, the goal is to make it hard for you to reflash. So the vendors keep 
> coming up with new ways to hide this. Very annoying!

The two methods we use for the several motherboards we design a year to 
enable/disable flash writes are:

Method A - Use a jumper.

Method B - Use whatever GPIO is leftover on chipset or Super I/O.

Bari