![]() ![]() Jtag is a awesome bus for hardware and maybe software debugging. You can debug on a lower hardware level your xbox (yay, so much fun to poke at CPU registers, undocumented Video encoder registers and reset the SMC and be sad.) (both mcpx 1.0 and 1,1 are already dumped in diferent ways). you could theoreticly power the xbox, but keep everything in reset and then start the mcpx, poke it with some commands to expose the internal rom and download it that way. ![]() for the CPU it might be posible to figure out how to do so, but the MCPX is Nvidia/AMD stuff and we dont know alott about it, im not even sure if its on the Jtag bus. IF you have the right bitstream to send (commands) on the jtag bus. (dont think you will, N64freak might make a breakoutboard someday to do it, but only because we are curious)Īnd thus, yeah sure, with it enabled you can start, stop, read all parts on the bus. Go check Bunnie Huangs old blogpost about Jtag: Ĭome back to us when you enabled the jtag machine. This is sick, I think I can play with that for scientific purposes, is there any profit the JTAG port gives? Is there a pinout available?
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