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The Sink consists of five rooms connected to a central hub containing the Sink Central Intelligence Unit, Book Chute, and the Sink Auto-Doc. As the Courier progresses, they can find the backup holotapes, making the modules fully functional. Various staff members working in Big Mountain later recovered the chips and stored them in different areas of the facility. After a heated argument with Mobius, Klein took the chips and tossed them off the Sink's balcony. Mobius removed the personality chips, disabling many of the various functions of its modules. Originally owned by Mobius, the Sink served as a testbed for several personality subroutines.
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