Dell™ PowerEdge™ M710 Technical Guidebook10e. usb keyThe M710 supports the following USB devices:• DVD (bootable; requires two USB ports)• USB Key (bootable)• Keyboard (only one USB keyboard is supported)• Mouse (only one USB mouse is supported)f. batteryA replaceable coin cell CR2032 3V battery is mounted on the planar to provide backup power for theReal-Time Clock and CMOS RAM on the ICH9 chip.G. field Replaceable units (fRu)The planar contains a serial EEPROM to contain FRU information including Dell part number, part revisionlevel, and serial number. The Advanced Management Enablement Adapter (AMEA) also contains a FRUEEPROM. The backplane’s SEP and the power supplies’ microcontroller are also used to store FRU data.sectiOn 3. enviROnMental sPecificatiOns anD acOusticsa. environmental specificationsenviROnMentalTemperatureOperating 10° to 35°C (50° to 95°F)NOTE: Decrease the maximum temperature by 1°C (18°F) per 300m (985 ft.) above 900m (2955 ft.)Storage -40° to 65°C (-40° to 149°F)Relative HumidityOperating 8% to 85% (noncondensing) with a maximum humidity gradation of10% per hourStorage 5% to 95% (noncondensing)Maximum VibrationOperating 0.26 Grms at 10-350Hz for 15 minsStorage 1.54 Grms at 10-250Hz for 15 minsMaximum ShockOperating One shock pulse in the positive z axis (one pulse on each side of thesystem) of 41 G for up to 2 msStorage Six consecutively executed shock pulses in the positive and negativex, y, and z axes (one pulse on each side of the system) of 71 G for upto 2 msAltitudeOperating -16 to 3048 m (-50 to 10,000 ft.)Storage -16 to 10,600 m (-50 to 35,000 ft.)