Apple G5 Power Supply, Power Requirements for Devices You Can Connect, System Clock and Battery

4:DTE ready (DRT CD)

5:Signal ground (SGND)

6:DCE ready (DCR CC)

7:Request to send (RTS)

8:Clear to send (CTS)

9:Ring indicator (RI)

Power Supply

AC line input

•Line voltage/current: 100–240 V alternating current (AC), 5.5A maximum, single phase, set automatically

•Frequency: 50–60 hertz (Hz)

Power Requirements for Devices You Can Connect

Expansion cards

•Maximum power consumption by two PCI-X cards combined is 30 W total

•12-inch PCI-X card slots

•Data width: 32 or 64 bits

•Frequency: 33, 66, 100, or 133 MHz

•Power: 3.3 V

•Length: 7 or 12 in.

FireWire devices

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

•Output voltage range: Approximately 13 to 30 V

•Output power range: Up to 15 W

USB 2.0 devices

•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 83) with a new one purchased from an Apple-authorized dealer.

Appendix A Specifications

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