| Min version | Vista SP1 | ||
|---|---|---|---|
| Max version | Vista SP2 | ||
| Architecture | x86 | x64 | |
| x86 offset offset:bitpos | Field Name | x64 offset offset:bitpos | |
| 0x0000 | union _WHEA_PCIXBUS_ERROR_VALIDBITS ValidBits | 0x0000 | |
| 0x0008 | union _WHEA_ERROR_STATUS ErrorStatus | 0x0008 | |
| 0x0010 | uint16_t ErrorType | 0x0010 | |
| 0x0012 | union _WHEA_PCIXBUS_ID BusId | 0x0012 | |
| 0x0014 | unsigned long Reserved | 0x0014 | |
| 0x0018 | uint64_t BusAddress | 0x0018 | |
| 0x0020 | uint64_t BusData | 0x0020 | |
| 0x0028 | union _WHEA_PCIXBUS_COMMAND BusCommand | 0x0028 | |
| 0x0030 | uint64_t RequesterId | 0x0030 | |
| 0x0038 | uint64_t CompleterId | 0x0038 | |
| 0x0040 | uint64_t TargetId | 0x0040 | |