Dell External OEMR XL R610 Technical Manual

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Dell External OEMR XL R610 Technical Manual Manual pdf 21 page image

DellPowerEdge R610 Technical Guide 215 Power, Thermal, Acoustic5.1 Power EfficienciesOne of the main features of the 11G family of servers is enhanced power efficiency. The R610achieves higher power efficiency by implementing the following features: User-selectable power cap (subsystems throttle to maintain the specified power cap) Improved power budgeting Power-supply and voltage-regulator (VR) efficiency improvements Use of switching regulators instead of linear regulators Closed-loop thermal throttling Increased rear venting and 3D venting Pulse-width modulated (PWM) fans with an increased number of fan zones and configuration-dependent fan speeds Use of DDR3 memory (lower voltage compared to DDR2, UDIMM) Processor VR dynamic phase shedding Memory VR static phase shedding Random time interval for system start Ability for an entire rack to power on without exceeding the available power BIOS Power/Performance options page Active Power Controller (BIOS-based CPU P-state manager) Ability to power down or throttle memory Ability to disable a processor core Ability to turn off embedded NICs or PCIe lanes when not being used Option to run PCIe at Gen1 speeds instead of Gen25.2 Main Power SupplyThe base redundant R610 system consists of two hot-plug 502W Energy Smart (energy efficient)power supplies in a 1+1 configuration. A 717W high-output power supply is also available.The power supplies connect directly to the planar. There is a power cable to connect between theplanar and the backplane. The R610 power supplies do not have embedded cooling fans; they arecooled only by the system cooling fans.Field replaceable unit (FRU) data is stored in the memory of the power supply microcontroller.Additionally, the power supply firmware can be updated by the iDRAC over the PMBus.In a single power supply configuration, the power supply is installed in PS1 location and a powersupply blank (metal cover) is installed in PS2 location for proper system cooling.Figure 7. Power Supplies