How to jailbreak xbox 360 without jtag
You do need to determine your specific motherboard type so that you can get the correct supplies.
HOW TO JAILBREAK XBOX 360 WITHOUT JTAG HOW TO
Once you've confirmed you've got a Falcon or Jasper console you can visit our RGH Falcon or Jasper Guide for detailed instructions on how to mod your console. So, essentially what you want to see is the precense of a HDMI port, plus either of the two power sockets to the right side of the image above which would mean that you have a Falcon or Jasper console, which are essentially the only Phats worth modding. Now that you know if your console has HDMI, we can look at the power socket on the console and compare to this image: Here is an image of a Xbox 360 Phat that does have an HDMI port and it's labeled: It's trivial to inspect the back of the Phat Xbox 360 to see if it has an HDMI port or not.