Specifications

64 Appendix A
Power Supply
AC line input
m Line voltage/current: 100–120 V alternating current (AC), 6.5 amperes (A) or 200–240 V AC,
3.5 A, single phase, set automatically by power supply
m Frequency: 50–60 hertz (Hz)
DC monitor output
m 4.0 A maximum at nominal 25 V DC from the Apple Display Connector
Power Requirements for Devices You Can Connect
Expansion cards
m Maximum power consumption by the AGP card is 30 W.
m Maximum power consumption by four PCI cards is 60 W.
USB devices
m Each of the server’s built-in USB ports is allotted 500 mA.
FireWire devices
m The server can provide up to 15 W total to the FireWire ports.
System Clock and Battery
m CMOS custom circuitry with long-life lithium battery. You can replace the server’s battery
(see “Replacing the Battery” on page 53) with a new one purchased from an Apple-
authorized dealer.