![]() ![]() Once it became clear that something was seriously wrong with my DSi and it was never going to be useful in its current form, it gave its life to science. The nice part is that it only requires 4 wires to do so on the DSi, as compared to 16 on the Wii.) (However, like with the Wii, it IS possible to back up your encrypted flash, upgrade or modify it, and then reflash back your old image to restore the old state. The remainder of the NAND flash is encrypted uniquely per console, so as with the Wii, you can’t take the contents of one flash chip and boot it on another console. Of that 1MB, about 300K is actually used. Meanwhile, at least two people have successfully dumped the 256MB MMC NAND flash in at least one case, an old SD card reader was just soldered to 4 vias on the PCB! We’ve learned that there is approximately 1MB of that flash chip dedicated to the “firmware” used to boot the DSi - more on that below - and that second-stage loader is encrypted with a key that is shared among all DSis and stored in ROM (much like boot1 on the Wii). ![]() The DSi has the same chip in the same place, but it only holds a small amount of configuration data, with the “firmware” being stored elsewhere. ![]() bypass RSA verification of Wireless MultiBoot games. Some of you may remember FlashMe on the older Nintendo DS - this was the program that let you reflash the “firmware” that was stored on the SPI flash on the WiFi daughtercard to e.g. I used Travis Goodspeed‘s awesome GoodFET device (thanks Travis!). ![]()
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