| Min version | 8.1 | 10 Pre RTM |
|---|---|---|
| Max version | 8.1 Update 1 | 10 TH2 |
| x64 offset offset:bitpos | Field Name | |
| 0x0000:0x00 | uint16_t UnusedBytes | |
| 0x0000 | uint8_t[2] Bytes | uint8_t[2] Bytes |
| 0x0000:0x0D | uint16_t LfhSubsegment | |
| 0x0000:0x0E | uint16_t ExtraPresent | |
| 0x0000:0x0F | uint16_t OneByteUnused | |