Items needed:
a Jtaged console with xexmenu
a computer
FlashFXP
I also reccomend using a ethernet cable if you are not
Step 1
Go to your Xbox 360 and go to System Settings -> Network Settings -> Configure Network
Then, look at the IP Address that your Xbox 360 is configured to.
Step 2
Start up XEXmenu and go back to your computer
Step 3
After you have FlashFXP installed, open it and press the "Connect" button.
Step 4
enter in the IP address that you saw and make the port number 21 and use the username xbox and the password xbox
Step 5
Now that you have connected to your jtag you can easily transfer files from your pc to your jtag