1) Find out what version Xbox you have
2) Read the install information on
Team Xecuter's site3) Read
this install guide4) Get your chip
5) Install (I would say pinheader EVEN if you have a 1.0)
5a) Put a small piece of tape over the Alt 5V pin, if not a 1.6 install
6) I would try and boot the Xbox even before you put it all back together (just incase of frag)
6a) If frag check/double check/triple check you solder job
7) Turn the thing on and hopefully go to Flashbios screen
Get the newest bios from "the usual places" (X3 1959)
9) Make sure the Flash Protect Switch on the Chip is NOT on
10) Turn your switches on your X3 panel to On, On, Off, Off, Off
11) Type http://<Xbox IP> and load your flash (can also use disk or FTP)
12) See if X3 bios boots
13) Setup new HD/FTP apps from PC
14) Setup your dash (not UnleashX)
15) Play your new modded Xbox