On 23.05.2008 21:37, Richard A. Smith wrote: > Carl-Daniel Hailfinger wrote: > >> As I stated before on this list, bypassing P_THEFT is very easy. You >> don't even have to desolder the complete flash chip, one pin is >> sufficient. All of this is doable for less than $1 per laptop if you >> have access to cheap labor. $1 per laptop is _not_ expensive enough to >> be infeasible. I am very willing to publish a video tutorial of the >> procedure if you think I can't do that. The only downside would be that >> everybody then knows how to bypass P_THEFT. > > If you want to tell me your procedure in private I'll be happy to > review it for you. IMHO we actually do need people to challenge what > we have done. Tis' the only real way to know. > > I'm guessing the single pin you are referring the the flash write > protect pin? If so then I'll note thats actually not where the > strongest part of the link is. Very early on we also disable the > ability to talk to the io ports on the EC that make writing to the SPI > flash possible. Once they are disabled you can't talk to the EC > anymore to re-enable them. You have to reset the EC. So far we have > not found a method that circumvents that.
I didn't know about the disabled IO ports (nice idea BTW), but fortunately my procedure requires little EC cooperation and will work even with that measure in place. > Fire away. > > Please give us the chance to fix it first if you do find something. :) OK, will do so via private mail. Regards, Carl-Daniel _______________________________________________ Devel mailing list [email protected] http://lists.laptop.org/listinfo/devel
