Yes the ADC passes 48V DC from the PowerBrick on. DC-DC cooks 12V -5V +5V from the 48V DC. Eng Yew Lee emitted a stream of electrons translating into this: > I was told by the Formac folks that AC is passed > through to the Apple Displays and the DC conversion > takes place in the display unit. Can someone confirm > this and that LCDs don't impose a load on the DC/DC > unit? -- Hash Revolution! Philip Robert Zimmerman + Bob Marley.