i worked at a CM-5 facility that had a minor pest problem. i'm pretty sure that like many supercomputers it was cooled by bringing air from underneath the floor and blowing it up through the stack.
the _extremely_ well qualified support personnel had to finally say they weren't going to spend any more days washing rat bits off module boards.
the _extremely_ well qualified support personnel had to finally say they weren't going to spend any more days washing rat bits off module boards.