Xbox 360:JTAG/Xenon Method: Difference between revisions

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This is the only JTAG wiring for Xenon motherboards. Do not use it if you have a non-Xenon motherboard.
[[Category:Xbox360]]
 
This is the traditional JTAG wiring for Xenon motherboards. It can't be used on retail versions of Zephyr, Falcon/Opus, or Jasper motherboards due to them missing the unused pins for SMC debug LEDs.


==Equipment Needed==
==Equipment Needed==
* A soldering iron, solder, and flux
* A soldering iron, solder, flux, isopropyl alcohol, and cotton swabs
* Isopropyl alcohol (90% or higher recommended) and cotton swabs
**[[Recommended Soldering Equipment|Specific recommendatons can be found on this page]]
* 28AWG or 30AWG wire
* 28AWG or 30AWG wire (Solid core recommended)
* Two 1N914/4148 switching diodes
* Two 1N914/4148 switching diodes


==Motherboard Soldering==
==Motherboard Soldering==
Cut two strands of wire approximately 6 inches long. Solder one wire on the end furthest away from the black line on one of the diodes. Using the diagram below for reference, hold the unsoldered end of the diode against one of the J1F1 points on the board, and cut the wire to the length needed to comfortably reach one of the J2D2 points. Repeat for the other diode and solder them in place, making sure that you solder the diodes directly to the J1F1 points.  
*Cut two strands of wire approximately 6 inches long.  
 
*Solder one wire on the end furthest away from the black line on one of the diodes.  
Next, solder a short wire from point 4 to 7 on the J2D2 header. All points should be solidly connected so that a tug on the wire won't disconnect the wire.  
*Using the diagram below for reference, hold the unsoldered end of the diode against one of the J1F1 points on the board, and cut the wire to the length needed to comfortably reach one of the J2D2 points.  
*Repeat for the other diode and solder them in place, making sure that you solder the diodes directly to the J1F1 points.  
*Next, solder a short wire from point 4 to 7 on the J2D2 header. All points should be solidly connected so that a tug on the wire won't disconnect the wire.  


[[File:Jtag-xenon.png]]
[[File:Jtag-xenon.png]]
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Once you've finished soldering, clean up any flux with isopropyl alcohol and cotton swabs. Partially re-assemble your Xbox 360, ensuring that:
Once you've finished soldering, clean up any flux with isopropyl alcohol and cotton swabs. Partially re-assemble your Xbox 360, ensuring that:


* The motherboard in the metal cage
* Heatsinks are attached (if you removed them for some reason)
* Heatsinks are attached (if you removed them for some reason)
* Fans are in place and plugged in
* Fans are in place and plugged in (You can angle the fans on top of the heatsinks to cool them for testing)
* The white fan shroud is in place
* The Ring of Light board is plugged into the front of your console
* The Ring of Light board is plugged into the front of your console
* Your video cable (preferably not HDMI) is plugged in
* Your A/V cable is plugged into the Xbox 360 and into a TV or monitor
* Your power brick is plugged in to both you wall and Xbox 360
* Your power brick is plugged in to both the wall and Xbox 360
* (Optional) An ethernet cable is plugged into the Xbox 360 and your LAN (e.g. a switch, router, or directly to a PC)


Turn on your console, and it should boot into XeLL within a minute. At this point, write down (and/or take a picture of) the "CPU Key" listed on screen, and turn your console off. You can now go back to the JTAG (or R-JTOP) hack page and continue from the beginning of the "Creating an XeBuild Image" section.
Turn on your console, and it should boot into XeLL within a minute. If you don't have an ethernet cable connected, write down (and/or take a picture of) the "CPU Key" listed on screen. You can now go back to the [[Xbox 360:JTAG#Decrypting the NAND|'''JTAG''']] or [[Xbox 360:R-JTOP#Decrypting the NAND|'''R-JTOP''']] hack page and continue from the beginning of the "Decrypting The NAND" section.


* If your console doesn't boot into XeLL, check all previous steps and double check your wiring accuracy and quality.
*If your console doesn't boot into XeLL, check all previous steps and double check your wiring accuracy and quality.


==Troubleshooting==
==Troubleshooting==
* '''What should I do if I ripped off a soldering pad?'''
* '''What should I do if I ripped off a soldering pad?'''
** Look online for an alternate point to solder onto. Practice more on junk electronics before attempting to continue.
** Look online for an alternate point to solder onto. Practice more on junk electronics before attempting to continue.

Latest revision as of 09:07, 13 March 2024

This is the traditional JTAG wiring for Xenon motherboards. It can't be used on retail versions of Zephyr, Falcon/Opus, or Jasper motherboards due to them missing the unused pins for SMC debug LEDs.

Equipment Needed

Motherboard Soldering

  • Cut two strands of wire approximately 6 inches long.
  • Solder one wire on the end furthest away from the black line on one of the diodes.
  • Using the diagram below for reference, hold the unsoldered end of the diode against one of the J1F1 points on the board, and cut the wire to the length needed to comfortably reach one of the J2D2 points.
  • Repeat for the other diode and solder them in place, making sure that you solder the diodes directly to the J1F1 points.
  • Next, solder a short wire from point 4 to 7 on the J2D2 header. All points should be solidly connected so that a tug on the wire won't disconnect the wire.

Jtag-xenon.png

Testing your Console

Once you've finished soldering, clean up any flux with isopropyl alcohol and cotton swabs. Partially re-assemble your Xbox 360, ensuring that:

  • Heatsinks are attached (if you removed them for some reason)
  • Fans are in place and plugged in (You can angle the fans on top of the heatsinks to cool them for testing)
  • The Ring of Light board is plugged into the front of your console
  • Your A/V cable is plugged into the Xbox 360 and into a TV or monitor
  • Your power brick is plugged in to both the wall and Xbox 360
  • (Optional) An ethernet cable is plugged into the Xbox 360 and your LAN (e.g. a switch, router, or directly to a PC)

Turn on your console, and it should boot into XeLL within a minute. If you don't have an ethernet cable connected, write down (and/or take a picture of) the "CPU Key" listed on screen. You can now go back to the JTAG or R-JTOP hack page and continue from the beginning of the "Decrypting The NAND" section.

  • If your console doesn't boot into XeLL, check all previous steps and double check your wiring accuracy and quality.

Troubleshooting

  • What should I do if I ripped off a soldering pad?
    • Look online for an alternate point to solder onto. Practice more on junk electronics before attempting to continue.