DL585 G7 - error "MC4 error on node 2 DRAM ECC error

DL585 G7 - Folks, does anyone have an idea of how you correlate this error "MC4 error on node 2 DRAM ECC error detected on the NB" to the possible memory location that seems to have an issue? Specifically, how do you determine whare "MC4" location is?

Thanks,

Fredy,