TroubleshootingError messagesUEFI/POST diagnostic codesI.580A5On this pageI.580A5 : Mirror Fail-over complete. DIMM number [arg1] has failed over to to the mirrored copy. DIMM Mirror Fail-over DetectedMirror Fail-over complete. DIMM number [arg1] has failed over to to the mirrored copy. DIMM Mirror Fail-over DetectedSeverityInfoUser ActionComplete the following steps: Check the system-event log for uncorrected DIMM failures and replace those DIMMs.Give documentation feedback