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Sunday, July 24, 2011

JTAG an Xbox 360: The NAND Cable [Part 2]

In the previous step of the JTAG tutorial I showed you what you need to get ready to JTAG your Xbox 360! Let's begin the actual mod by first creating your NAND cable!




Above is the wiring guide. Cut your CAT5 patch cable in half and strip down a small amount of the wires so you can prepare to solder. The colored guide shows you which pad on the motherboard connects to which pin on the DB25 cable. Write down the colors of the wires in your cable as they correspond to the pin/color on the image. For example, here is what I wrote:

1  (purple)  = blue wire
2  (aqua)    = white/orange wire
11 (brown) = brown wire

14 (yellow) = white/blue wire
16 (d. blue) = white/green wire
17 (red) = green wire
18 (green) = orange wire

With that in mind, solder the appropriate wires to the DB25 connector. NOTE: These 2 are not my pictures, I had already built my cable previously. So don't pay attention to their color scheme - use yours!



Remember, like the image said before, you will need to put your 100 ohm resistors on pins 1, 2, 14, 16, and 17 as shown in the above image.

Now you're going to take the other half of your CAT5 cable and solder the same colored wires to the appropriate pads - as if they were the same cable still! For example, the red color on the DB25 pin on the above image still goes to the red color on the board.


As you can see in my image, I only used a small part of this half of the network cable. This is recommended so data will have to travel less far. Less errors occur this way! Use the above guide to solder the wires to the board. As you can see, the color scheme I outlined above is used here - because this is being done as I write the guide =)


Another view:


Move your Xbox 360 over near your computer. Connect the power and video cabled to the console but DO NOT POWER IT ON.


Plug your DB25 head cable half to your parallel port. Attach the other end to the Xbox 360 using the RJ45 extender (see why it's handy now?).



You're all ready for Part 3! If you have any questions - or you're stuck - please let me know in the comments section below. Stay tuned for Part 3: Dumping the NAND image!

Until next time...

35 comments:

  1. You've got amazing knowledge, man.

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  2. Great followup post, can't wait for the full post to be out so I can try this without getting stuck

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  3. Really great tutorials, keep up the good work!

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  4. awesome! top quality here thanks a lot for posting.

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  5. woah that sweet man, nice blog you got here

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  6. My friend works with the X-Box a lot. Nice post!

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  7. no matter how, your posts always get my attention! good job!

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  8. Nice post. I'm too scared to do any of this myself, don't want to break my X-Box! >.<

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  9. Your tutorials are really good. But I guess I need some courage to do it with an X-Box. D:

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  10. Sending this one to my friend too.

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  11. really interesting stuff. makes me want to take mine apart ^^

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  12. Wow, You're good at this
    Way beyond me, but its fun to follow :D
    +Follow

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  13. This a good challenge for me, as soon as I get a 360... AGAIN!... Thanks for the whole tutorial, Ill bookmark it.

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  14. This shit is so complicated o.o If I had an xbox, I'd be taking it apart too :D

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  15. Thanks for sharing this kind of tutorials. Its kinda hard to get a good and well explained walkthrough for this kind of stuff

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  16. Ok, looking forward to part 3! Thank you btw!

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  17. All i need to do now is go buy an xbox. or is it a xbox?

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  18. Was just playing my Xbox 360 for the first time in years.

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  19. Might pick up a RROD 360 to try all this stuff out!

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  20. thanks man, by the way, the first part of this went great for me. for a moment I thought I broke my xbox but then I read your post again and it turned out everything was fine. nearly got a heart attack :D time to continue though :D

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  21. just found your blog and i like your tutorials! + followed

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  22. Now we wait for part3. I think I am going to wait for you to post all the parts before I start attempting any of this thought.

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  23. Wow..this is some pretty technical stuff. Keep it up. Thanks!

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  24. That is some pretty advanced stuff haha, I'll show my boyfriend!

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  25. Hell yeah! Keep it coming - I didn't know about this stuff in depth!

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  26. It's not that easy in modern day to find a good, professional tutorial in internet. Keep it up:)

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  27. I might have to get my friend to help me out with this... I don't wanna do any damage to my Xbox. Heh.
    Tech Me

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  28. Awesome guide. I recently, uh, 'updated' the firmware on my drive, and now I'm banned from live ;_;, and haven't touched my xbox since then.

    What added functionality can you get from JTAG'ing your 360?

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  29. while this sounds really awesome, i am weary to try it out.

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