Apple Xserve G5 User Manual
Page 87

Appendix A
Specifications
87
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.