modrobert writes: "GodzIvan strikes again, this time with a diagram which simply write protects the NAND flash in the Xbox 360 by connecting WP to ground pin (if the flash type has different pinout, just find the datasheet to locate WP). This modification does not stop the ban from M$, but it prevents deletion of the HD installation certificates required by games which means you can still install them on the hard drive. In order to update the kernel this mod must be disabled; a simple switch solution comes to mind."