Shadowbooting
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This is especially useful on a zero-fuse console, as you can flash XDKBuild to it, then shadowboot into other images. This preserves the fuses, while allowing you to use it as a devkit (with XDKBuild) or as a retail console (by shadowbooting into a retail kernel). Furthermore, there are no version restrictions placed on shadowbooted images, so you are free to shadowboot into any dashboard version. | This is especially useful on a zero-fuse console, as you can flash XDKBuild to it, then shadowboot into other images. This preserves the fuses, while allowing you to use it as a devkit (with XDKBuild) or as a retail console (by shadowbooting into a retail kernel). Furthermore, there are no version restrictions placed on shadowbooted images, so you are free to shadowboot into any dashboard version. | ||
== Pre-made Images == | |||
=== Retail === | |||
None yet! | |||
=== Development === | |||
* [[:Media:Proto-xdk-shadowboot.zip|Proto for XDKs]] | |||
* [[:Media:Xdkbuild_proto_shadowboot-zerofuse.zip|Proto for zero-fuse consoles running XDKBuild]] | |||
== References == | == References == | ||
Revision as of 23:59, 16 March 2025
Development kernels have an undocumented, internal feature called "shadow booting" which allows them to enter an alternate boot chain during the boot process. By placing a specially crafted file titled 'xboxromw2d.bin' on the root of the system's hard disk, on bootup the system will start, read this file, then reboot again, finally completing the boot sequence having loaded from the bootloaders from the file on disk. Effectively, shadowbooting allows you to run a NAND image without actually flashing the NAND.[1]
This is especially useful on a zero-fuse console, as you can flash XDKBuild to it, then shadowboot into other images. This preserves the fuses, while allowing you to use it as a devkit (with XDKBuild) or as a retail console (by shadowbooting into a retail kernel). Furthermore, there are no version restrictions placed on shadowbooted images, so you are free to shadowboot into any dashboard version.
Pre-made Images
Retail
None yet!