> > > after populating all blue Slots of an X11DPi-N (S/N:
> > > OMF179S000858), i.e. 12x Micron 72ASS8G72LZ-2G9D1, we got BMC warnings like this:
> > >
> > > SEL_TIME: 2020/01/02 14:31:44
> > > SENSOR_NUMBER: fe
> > > SENSOR_TYPE: BIOS OEM
> > > SENSOR_NAME: Memory Error
> > > EVENT_DESCRIPTION: DIMM mapped out (P1-DIMMC1)
> > > EVENT_DIRECTION: Assertion
> > > EVENT SEVERITY:"critical"
> > >
> > > SEL_TIME: 2020/01/02 14:31:45
> > > SENSOR_NUMBER: fe
> > > SENSOR_TYPE: BIOS OEM
> > > SENSOR_NAME: Memory Error
> > > EVENT_DESCRIPTION: (runtime) Failing DIMM: DIMM location.
> > > (P1-DIMMC1)
> > > EVENT_DIRECTION: Assertion
> > > EVENT SEVERITY:"warning"
Swapped the CPUs the error followed to P2-DIMMC1. So the CPU is the problem.