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[scuba156]

1. all new kernels will have CB 1921 which is immune to the timing attack, and come with a dash higher than 4548 so any store bought console will not be able to run linux, as well as any system that has been repaired at MS in the past year. your best bet is to buy one second hand from someone you can trust, and that hasnt been in MS hands in the past year

2. yes you can change the kernel version at will. just make a backup of the expoitable kernel from the nand, then update as usual, then use the infectus to flash back your backed up exploitable kernel to the nand when you wish to use linux.

[kainlongshot]

I guess it all kinda makes sense now. The homebrew community is pretty stagnant given the fact there there's little to no way to run anything due to the security.

Going back to the topic at hand:

1. You mentioned that a new Retail Xbox will be running CB1921 and a higher firmware. So a modchip like infectus or anything others will allow you to downgrade the firmware but can't physically change the CB number (its a hardware issue not a software issue). So even if I get a modchip and downgrade the CB number will still remain 1921 and such won't have a window of vulnerability to load linux?

Is that right?