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Power supply description
This workstation offers an 850W power supply and an 1110W power supply to provide power for the
workstation. The power supplies are compatible with ENERGY STAR requirements, and offer 85%
efficient or better operation.
Power supply voltages
NOTE: This workstation incorporates the blind-mate plug feature. You do not have to manipulate a
cable harness when removing or installing the power supply.
Table 1-5 Power supply source voltages
Source voltage Description
+12 V-CPU0 Input to onboard regulator that supplies power to CPU0 and CPU0 fan
+12 V-CPU1 Input to onboard regulator that supplies power to CPU1 and CPU1 fan
+12 V-M0 Input to onboard regulator that supplies power to memory on CPU0
+12 V-M1 Input to onboard regulator that supplies power to memory on CPU1
+12 V-B Input to onboard regulators that supply 3.3V and 5V, system fans
+12 V-S PCI, PCIe, and system fans
+12 V-D Storage (hard drive, optical disk drive, diskette drive), and input to
miscellaneous onboard regulators
+12 V-G1 PCIe auxillary connector for both connectors on 850W and one for 1110W
+12 V-G2 Second PCIe auxiliary connector on 1110W power supply
V12N PCI and serial ports
+5 V-SB Sleep circuitry
ENWW Specifications 9