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The 145-watt (W) power supply can operate from an AC power source of 115 volts AC (VAC) at 60 hertz (Hz) or 230 VAC at 50 Hz. The power

supply provides the DC operating voltages and currents listed in the following table.

NOTE: The power supply produces DC voltages only under its loaded condition. The DC power cable connectors must be connected to

their corresponding power input connectors on the system board or drives to measure these voltages.

DC Voltage Ranges

Voltage

Range

+3.3

+3.14 to +3.47 VDC 10.00 A

VDC

+5 VDC

+4.90 to +5.25 VDC 16.00 A

–5 VDC

–4.50 to –5.50 VDC 0.300 A

+12 VDC +11.40 to +12.60

VDC

–12 VDC –10.80 to –13.20

VDC

+5 VSB

+4.75 to +5.25 VDC 1.2 A

DC Power Cables

DC Power Connector Pin Assignments

The power-supply output voltages can be measured at the back (wire side) of the DC power connectors without disconnecting them. The following

figures show the wire side of the connectors:

DC Power Connector P1

1 +5 VDC (red)

Maximum Output

Current

Notes

The combined load on the +3.3-VDC and +5-VDC outputs cannot exceed 85 W.

4.5 A

The +12-VDC output can withstand surges of up to 11.0 A to support disk start-up

operations.

0.300 A

The +5 volts standby (VSB) is sometimes called volts flea power (VFP).

11 PSON#

(brown)