check for continuity from pin 2 of the LPC to a screw hole on the xbox.. if you have continuity then its a 1.4.. if you have no continuity its a 1.5 and you would need to ground pin 2 and you may also need to supply 3.3v to pin 9 (you can get that from pin 15.)
use a multimeeter though. check pin 9 for 3.3v when the xbox is on before you start rebuilding the lpc
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Hi there thanks for the reply. As far as I am aware the chip is pre-flashed. Haven't soldered the lpc, would this cause the video loss. BT is soldered on to chip itself for "always on mode". chip in or chip out the screen is blank now, would the header pin and the un-soldered lpc cause this?
just read that...
um yeah if its a lpc pin header you need to solder it in place "unless its a solderless adapter"
you would also want to remove a pin from the pin header (its the pin that would go in to lpc number 4) however you should not have a hole in the lpc for pin 4 so you really should have figured that out..