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