| Min version | Vista | Vista SP1 | |
|---|---|---|---|
| Max version | 10 TH2 | ||
| Architecture | x86 | x64 | |
| x86 offset offset:bitpos | Field Name | x64 offset offset:bitpos | |
| 0x0000 | uint64_t AccessBufferAgeThreshold | 0x0000 | |
| 0x0008 | struct _EX_RUNDOWN_REF AccessBufferRef | 0x0008 | |
| 0x000C | struct _KEVENT AccessBufferExistsEvent | 0x0010 | |
| 0x001C | unsigned long AccessBufferMax | 0x0028 | |
| 0x0020 | union _SLIST_HEADER AccessBufferList | 0x0040 | |
| 0x0028 | long StreamSequenceNumber | 0x0050 | |
| 0x002C | unsigned long Flags | 0x0054 | |
| 0x0030 | long ScenarioPrefetchCount | 0x0058 | |