(n ) On SunTM servers, a system of central arbiters (one CARB on the control board) and a board arbiter (BARB) (one on every system board) determine which processor on which system board controls the system bus at any given time
- California Air Resources Board: A state agency whose mission is to promote and protect public health, welfare and ecological resources through the effective and efficient reduction of air pollutants while recognizing and considering the effects on the economy of the state