Error 0xC005004D

Value: -1073414067 | 0xC005004D | 3221553229

What does it mean ?

MCA_ERROR_MEM_1_2_5_4  
Machine Check Event reported is a fatal ECC memory error at physical address %3 on memory module %4 on memory card %5 reported to CPU %1. %2 additional error(s) are contained within the record.
Value: 77 | 0x004D | 0b0000000001001101

Where does it come from ?

FACILITY_MCA_ERROR_CODE  
Machine Check Architectures (Intel Pentium Pro and Itanium processors)
Value: 5 | 0x005 | 0b00000101

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Other Errors for FACILITY_MCA_ERROR_CODE