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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.
DC Voltage Ranges
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
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.
Voltage
Range
Maximum Output
Current
Notes
+3.3
VDC
+3.14 to +3.47 VDC
10.00 A
The combined load on the +3.3-VDC and +5-VDC outputs cannot exceed 85 W.
+5 VDC
+4.90 to +5.25 VDC
16.00 A
The combined load on the +3.3-VDC and +5-VDC outputs cannot exceed 85 W.
–5 VDC
–4.50 to –5.50 VDC
0.300 A
+12 VDC
+11.40 to +12.60
VDC
4.5 A
The +12-VDC output can withstand surges of up to 11.0 A to support disk start-up
operations.
–12 VDC
–10.80 to –13.20
VDC
0.300 A
+5 VSB
+4.75 to +5.25 VDC
1.2 A
The +5 volts standby (VSB) is sometimes called volts flea power (VFP).
1
+5 VDC (red)
11
PSON#
2
(brown)