Dell R 420 Manual

7
Technical Specifications
ProcessorProcessor typeOne or two Intel Xeon processors E5-2400 and E5-2400 v2 product familyExpansion BusBus typePCI Express Generation 2 and 3Expansion slots using riser card:Riser 1(Slot 1) One half-height, half length x4 link (for single 
processor) or One half-height, half length x16 link (for 
two processors)Riser 2(Slot 2) One full-height, half-length x16 linkMemoryArchitecture800 MT/s, 1066 MT/s, 1333 MT/s, or 1600 MT/s DDR3  registered, unbuffered or load-reduced Error...

DrivesUp to four 2.5 inch hot-swappable SAS, SATA, SAS SSD, 
SATA SSD, or Nearline SAS hard drives
NOTE: Four-hard-drive systems support software 
RAID. For more information on software RAID, see 
the Dell PowerEdge RAID Controller (PERC) 
documentation at 
dell.com/support/manuals.
Eight hard-drive systemsUp to eight 2.5 inch, internal, hot-swappable SAS, SATA, 
SAS SSD, SATA SSD, or Nearline SAS hard drives in 
hard-drive slots 0 through 7.Optical driveOne optional slim SATA DVD-ROM drive or DVD+/-RW...

Expanded Operating TemperatureNOTE: When operating in the expanded temperature range, system performance may be impacted.
NOTE: When operating in the expanded temperature range, ambient temperature warnings may be reported on 
the LCD and in the System Event Log.
< 10% of annual operating hours5 °C to 40 °C at 5% to 85% RH with 26 °C dew point.
NOTE: Outside the standard operating temperature 
(10 °C to 35 °C), the system can operate down to 5 °C 
or up to 40 °C for a maximum of 10% of its annual...

EnvironmentalStorage5% to 95% RH with 33 °C (91 °F) maximum dew point. Atmosphere must be non-condensing at all times.Maximum VibrationOperating0.26 Grms at 5 Hz to 350 Hz (all operation orientations).Storage1.87 Grms at 10 Hz to 500 Hz for 15 min (all six sides 
tested).Maximum ShockOperatingOne shock pulse in the positive z axis of 31 G for 2.6 ms 
in all operational orientations.StorageSix consecutively executed shock pulses in the 
positive and negative x, y, and z axes (one pulse on 
each side of...

EnvironmentalNOTE: Applies to data center and non-data center 
environments.•Residual dust present in the air must have a 
deliquescent point less than 60% relative humidity.Gaseous ContaminationNOTE: Maximum corrosive contaminant levels measured at  ≤50% relative humidity.Copper Coupon Corrosion Rate

126 

8
System Messages
LCD Messages
NOTE: Applicable only if your system has an LCD display.
The LCD messages consist of brief text messages that refer to events recorded in the System Event Log (SEL). For information on the SEL and configuring system management settings, see the systems management software 
documentation.
NOTE: If your system fails to boot, press the System ID button for at least 5 seconds until an error code is displayed 
on the LCD. Record the code, then see System Error Messages.
Viewing...

Error CodeMessage InformationAMP0302MessageThe system board  current is greater than the upper warning 
threshold.
DetailsSystem board  current is outside of the optimum range.
Action1.Review system power policy.
2.Check system logs for power related failures.
3.Review system configuration changes.
4.If the issue persists, see Getting Help.
AMP0303MessageThe system board  current is greater than the upper critical 
threshold.
LCD MessageSystem board  current is outside of range.
DetailsSystem board...

Error CodeMessage InformationASR0003MessageThe watchdog timer power cycled the system.
DetailsThe operating system or an application failed to communicate within the time-out period. The system was power-cycled.
ActionCheck the operating system, application, hardware, and system event log for exception events.
BAT0002MessageThe system board battery has failed.
LCD MessageThe system board battery has failed. Check battery.
DetailsThe system board battery is either missing or bad.
ActionSee Getting Help....

Error CodeMessage InformationActionReview the technical specifications for supported processor types.CPU0010MessageCPU  is throttled.
DetailsThe CPU is throttled due to thermal or power conditions.
ActionReview system logs for power or thermal exceptions.
CPU0023MessageCPU  is absent.
LCD MessageCPU  is absent. Check CPU.
ActionVerify processor installation.  If present, re-seat the processor.
CPU0204MessageCPU   voltage is outside of range.
LCD MessageCPU   voltage is outside of range. Re-seat CPU....