| Min version | Vista SP1 |
|---|---|
| Max version | Vista SP2 |
| x86 offset offset:bitpos | Field Name |
| 0x0000 | uint16_t VendorID |
| 0x0002 | uint16_t DeviceID |
| 0x0004:0x00 | unsigned long ClassCode |
| 0x0004:0x18 | unsigned long FunctionNumber |
| 0x0008:0x00 | unsigned long DeviceNumber |
| 0x0008:0x08 | unsigned long Segment |
| 0x0008:0x18 | unsigned long PrimaryBusNumber |
| 0x000C:0x00 | unsigned long SecondaryBusNumber |
| 0x000C:0x08 | unsigned long Reserved1 |
| 0x000C:0x0A | unsigned long SlotNumber |
| 0x000C:0x18 | unsigned long Reserved2 |