Apple xserve 1.0.1 Manual De Usuario

82

Appendix  A

 

Power Requirements for Devices You Can Connect

Expansion cards

m Maximum power consumption by three PCI cards combined is 50 W (total for two 12-inch 

cards and one 7-inch card).

m 12-inch PCI card slots

m Data width:  32 or 64 bits

m Frequency:  33 or 66 MHz

m Power:  3.3 V

m Length:  7 or 12 in.

m PCI/AGP card slot (AGP card requires adapter)

m Data width:  32 bits

m Frequency:  66 MHz

m Signaling:  3.3 V, PCI; 1.5 V of 3.3 V, AGP

m Length:  7 inches

FireWire devices

m The computer can provide up to 15 W total to all FireWire ports combined.

m Output voltage range:  Approximately 13 to 30 V

m Output power range:  Up to 15 W

USB devices

m Each of the computer’s built-in USB ports is allotted 500 mA. 

System Clock and Battery 

CMOS custom circuitry with long-life lithium battery. You can replace the computer’s battery 
(see “Replacing the Battery” on page 77) with a new one purchased from an Apple-
authorized dealer.