| Min version | Vista | Vista SP1 |
|---|---|---|
| Max version | Vista SP2 | |
| x86 offset offset:bitpos | Field Name | |
| 0x0000 | uint64_t ValidationBits | union _WHEA_MEMORY_ERROR_VALIDBITS ValidBits |
| 0x0008 | struct _WHEA_ERROR_STATUS ErrorStatus | union _WHEA_ERROR_STATUS ErrorStatus |
| 0x0010 | uint64_t PhysicalAddress | |
| 0x0018 | uint64_t PhysicalAddressMask | |
| 0x0020 | uint16_t Node | |
| 0x0022 | uint16_t Card | |
| 0x0024 | uint16_t Module | |
| 0x0026 | uint16_t Bank | |
| 0x0028 | uint16_t Device | |
| 0x002A | uint16_t Row | |
| 0x002C | uint16_t Column | |
| 0x002E | uint16_t BitPosition | |
| 0x0030 | uint64_t RequestorId | uint64_t RequesterId |
| 0x0038 | uint64_t ResponderId | |
| 0x0040 | uint64_t TargetId | |
| 0x0048 | uint8_t ErrorType | |