Dell PowerEdge R510 Hardware Owner's Manual - Page 55

Message Causes Corrective Actions Unexpected interrupt in protected mode Improperly seated memory modules or faulty keyboard/mouse controller chip. Reseat the memory modules. See "Troubleshooting System Memory" on page 177. If the problem persists, see "Getting Help" on page 199. Unsupported CPU combination Unsupported CPU stepping detected Processor(s) is not supported Install a supported processor by the system. or processor combination. See "Processors" on page 138. Unsupported DIMM detected. The following DIMM has been disabled: x Invalid memory configuration. The system runs but with the specified memory module disabled. Ensure that the memory modules are installed in a valid configuration. See "General Memory Module Installation Guidelines" on page 115. Unsupported memory configuration. DIMM mismatch across slots detected: x,x,... Invalid memory configuration. Memory modules are mismatched in the specified slots. Ensure that the memory modules are installed in a valid configuration. See "General Memory Module Installation Guidelines" on page 115. Unused memory The memory configuration detected. DIMM's is not optimal for installed in the mirroring Mode. following slot Modules in the are not available specified slots are unused. when in mirror mode: x,x,x Reconfigure the memory for Memory Mirroring Mode, or change the memory mode to Optimized or Sparing in the BIOS setup screen. See "System Memory" on page 114. About Your System 55