NX-42 guidance chip

The NX-42 guidance chip is a miscellaneous quest item in Fallout 4.

Characteristics
An orange chip card, to insert in the core guidance system on the USS Constitution.

Locations

 * If siding with Ironsides - in a file cabinet inside the scavenger's camp, west of the USS Constitution
 * If siding with the scavengers - the scavengers freely give the chip and ask you to bring them any equipment the ship requires, so they can sabotage it.

Related quest

 * Last Voyage of the U.S.S. Constitution