Main Computer Upgrade: LAER Mod "Auxiliary Recharger Chip"

Main Computer Upgrade: LAER Mod "Auxiliary Recharger Chip" is a holodisk in the Fallout: New Vegas add-on Old World Blues.

Location
It can be found in the Big MT west tunnel. Heading down along the entrance, take a right at the first opportunity, then go straight through the door ahead. The Upgrade is on a shelf wedged between a duffle bag and the side of the shelf.