fallback and normal image

[Ronald G. Minnich]

On Fri, 7 Jan 2005, Gin wrote:

> >The fallback image tries to load the normal image but if that
> >fails it'll take over and continue with the fallback image.
> 
> So I am guessing the 2 images are the same. Then why 2 exact the same
> image? In case of damaged flash area?

yes. Pretend you are reflashing 1024 machines, and the power drops. If you 
only were reflashing the 'normal' area, then the fallback area will still 
let you boot your machines.

> I am asking this because I want to embed a linux kernel in the BIOS rom
> to run Flash_and_Burn util (For convenience when updating Bios). There
> probably won't be enough ROM space if I use both images.

yes, in some cases we only use one image.

ron