union _WHEA_MEMORY_ERROR_SECTION_VALIDBITS// Size=0x8
{
    unsigned long long ErrorStatus:1;// Offset=0x0 Size=0x8 BitOffset=0x0 BitSize=0x1
    unsigned long long PhysicalAddress:1;// Offset=0x0 Size=0x8 BitOffset=0x1 BitSize=0x1
    unsigned long long PhysicalAddressMask:1;// Offset=0x0 Size=0x8 BitOffset=0x2 BitSize=0x1
    unsigned long long Node:1;// Offset=0x0 Size=0x8 BitOffset=0x3 BitSize=0x1
    unsigned long long Card:1;// Offset=0x0 Size=0x8 BitOffset=0x4 BitSize=0x1
    unsigned long long Module:1;// Offset=0x0 Size=0x8 BitOffset=0x5 BitSize=0x1
    unsigned long long Bank:1;// Offset=0x0 Size=0x8 BitOffset=0x6 BitSize=0x1
    unsigned long long Device:1;// Offset=0x0 Size=0x8 BitOffset=0x7 BitSize=0x1
    unsigned long long Row:1;// Offset=0x0 Size=0x8 BitOffset=0x8 BitSize=0x1
    unsigned long long Column:1;// Offset=0x0 Size=0x8 BitOffset=0x9 BitSize=0x1
    unsigned long long BitPosition:1;// Offset=0x0 Size=0x8 BitOffset=0xa BitSize=0x1
    unsigned long long RequesterId:1;// Offset=0x0 Size=0x8 BitOffset=0xb BitSize=0x1
    unsigned long long ResponderId:1;// Offset=0x0 Size=0x8 BitOffset=0xc BitSize=0x1
    unsigned long long TargetId:1;// Offset=0x0 Size=0x8 BitOffset=0xd BitSize=0x1
    unsigned long long ErrorType:1;// Offset=0x0 Size=0x8 BitOffset=0xe BitSize=0x1
    unsigned long long RankNumber:1;// Offset=0x0 Size=0x8 BitOffset=0xf BitSize=0x1
    unsigned long long CardHandle:1;// Offset=0x0 Size=0x8 BitOffset=0x10 BitSize=0x1
    unsigned long long ModuleHandle:1;// Offset=0x0 Size=0x8 BitOffset=0x11 BitSize=0x1
    unsigned long long ExtendedRow:1;// Offset=0x0 Size=0x8 BitOffset=0x12 BitSize=0x1
    unsigned long long BankGroup:1;// Offset=0x0 Size=0x8 BitOffset=0x13 BitSize=0x1
    unsigned long long BankAddress:1;// Offset=0x0 Size=0x8 BitOffset=0x14 BitSize=0x1
    unsigned long long ChipIdentification:1;// Offset=0x0 Size=0x8 BitOffset=0x15 BitSize=0x1
    unsigned long long Reserved:42;// Offset=0x0 Size=0x8 BitOffset=0x16 BitSize=0x2a
    unsigned long long ValidBits;// Offset=0x0 Size=0x8
};