Mac Pro / MacPro3,1 / 2.8 GHz - Xeon - ( Early 2008 )
Mac Pro / MacPro1,1 / 2.66 GHz - Xeon - ( 2006 )
Product details
820-1974-A 820-2203-A 922-7732 Ambient Board - 2-2.66-3GHz Quad - 3GHz 8-Core A1186 Mac Pro NB-2227W This is the Ambient Board for the Mac Pro. This collects data such as temperature to help optimize system performance by adjusting fan speed, etc. Apple part number: 922-7732, 820-1974-A, 820-2203-A