Dell PowerEdge R510 Technical Manual

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Dell PowerEdge R510 Technical Manual Manual pdf 36 page image

DellPowerEdge R510 Technical Guide 365 Power, Thermal, Acoustic5.1 Power SuppliesThe 4-HDD configuration includes a 480W power supply. The 8- and 12-HDD configurations have a hot-plugredundant 1100W power supply. A hot-plug redundant 750W option is available for the 8- and 12-HDDconfigurations. Power is soft-switched, allowing power cycling using a switch on the front of the systemenclosure or using software control (through server management functions). The power system is compatiblewith industry standards, such as ACPI and Server 2000.For the 8 and 12 HDD configuration 750W hot plug redundant PSUs, Dell offers two options: n+0, hot-plug non-redundant n+1, hot-plug redundantIn order to supply power to the processors, standard Voltage Regulator Down (VRD) modules conform to VRD(Performance 2005 FMB) specification. This approach reduces the board layout complexity while offeringdesign modularity. As processor speeds increase, a newer VRD can be used to accommodate the powerincrease with no need to re-spin the board. The VRD is integrated onto the planar and is not fieldupgradeable. The VRD follows Intel’s VRD11 specification.There are 2 separate power supply connectors on the planar—one connector is an ATX connector (2x12) andthe other one is a 2x4 connector to provide an additional two pins for +12V. (The ATX connector Pindefinition is not standard; it is defined by power rating calculation.)The 2x12 ATX connector provides 3.3V, 5V, 12V, and 12V standby to the system. 3.3V standby is provided tothe system through a buck converter from 12V standby.Figure 30. Power Supply Connector (24 pins)Pin SIGNAL Pin SIGNAL1 P5V 13 P12V_AUX2 P5V 14 P3V33 P3V3 15 P3V34 SINGLE_PS_PRES_N 16 PS_ENABLE_CPLD_N5 PS_PWROK 17 GND6 GND 18 GND7 GND 19 GND8 GND 20 GND9 GND 21 P12VC10 P12VC 22 P12VC11 P12VC 23 P12VC12 P12VC 24 P12VC