Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
| ID | Date | Version | Classification |
|---|---|---|---|
| 615146 | 08/09/2019 | 1.2 | Public |
xHCI Memory Mapped Registers
| Offset | Size (Bytes) | Register Name (Register Symbol) | Default Value |
|---|---|---|---|
| 0h | 1 | 80h | |
| 2h | 2 | 100h | |
| 4h | 4 | 1A000840h | |
| 8h | 4 | 14200054h | |
| ch | 4 | 40001h | |
| 10h | 4 | 200077C1h | |
| 14h | 4 | 3000h | |
| 80ech | 4 | 18000000h | |
| 80f0h | 4 | 310803A0h | |
| 80fch | 4 | 8003h | |
| 8140h | 4 | A019132h | |
| 8144h | 4 | 33Fh | |
| 8154h | 4 | 1390206h | |
| 8164h | 4 | FCh | |
| 18h | 4 | 2000h | |
| 80h | 4 | 0h | |
| 84h | 4 | 1h | |
| 88h | 4 | 1h | |
| 94h | 4 | 0h | |
| 98h | 4 | 0h | |
| 9ch | 4 | 0h | |
| 816ch | 4 | 400h | |
| 8174h | 4 | 40047Dh | |
| 817ch | 4 | xHC Latency Tolerance Parameters - High Idle Time Control (XLTP_HITC) | 0h |
| 8180h | 4 | xHC Latency Tolerance Parameters - Medium Idle Time Control (XLTP_MITC) | 0h |
| 8184h | 4 | xHC Latency Tolerance Parameters Low Idle Time Control (XLTP_LITC) | 0h |
| 8198h | 4 | 0h | |
| 81b8h | 4 | 20C8h | |
| b0h | 4 | 0h | |
| b4h | 4 | 0h | |
| 480h | 4 | 2A0h | |
| 484h | 4 | 0h | |
| 48ch | 4 | 0h | |
| 81c4h | 4 | 0h | |
| 846ch | 4 | 2201h | |
| 8470h | 4 | 0h | |
| 84f4h | 4 | 3C6h | |
| 84f8h | 4 | 0h | |
| 84fch | 4 | 0h | |
| 8700h | 4 | 5100Ah | |
| 8704h | 4 | 0h | |
| 8708h | 4 | Debug Capability Event Ring Segment Table Size Register (DCERSTSZ) | 0h |
| 8710h | 8 | Debug Capability Event Ring Segment Table Base Address Register (DCERSTBA) | 0h |
| 8718h | 8 | Debug Capability Event Ring Dequeue Pointer Register (DCERDP) | 0h |
| 8720h | 4 | 0h | |
| 8724h | 4 | 0h | |
| 8728h | 4 | Debug Capability Port Status and Control Register (DCPORTSC) | 80h |
| 8730h | 8 | 0h | |
| 8e10h | 4 | 12C9h | |
| 540h | 4 | 2A0h | |
| 544h | 4 | 0h | |
| 548h | 4 | 0h | |
| 2000h | 4 | 0h | |
| 2020h | 4 | 0h | |
| 2024h | 4 | FA0h | |
| 2028h | 4 | 0h | |
| 2030h | 4 | 0h | |
| 2034h | 4 | 0h | |
| 2038h | 4 | 0h | |
| 203ch | 4 | 0h | |
| 3000h | 4 | 0h | |
| 8000h | 4 | 2000802h | |
| 8004h | 4 | 20425355h | |
| 8008h | 4 | 30181001h | |
| 800ch | 4 | 0h | |
| 8010h | 4 | C0021h | |
| 8014h | 4 | 5DC0012h | |
| 8018h | 4 | 1E00023h | |
| 8020h | 4 | 3011402h | |
| 8024h | 4 | 20425355h | |
| 8028h | 4 | 80000A11h | |
| 802ch | 4 | 0h | |
| 8030h | 4 | 50134h | |
| 8034h | 4 | A0135h | |
| 8038h | 4 | 4E00126h | |
| 803ch | 4 | 9C00127h | |
| 8040h | 4 | 13800128h | |
| 8044h | 4 | 5B10129h | |
| 8094h | 4 | 100h | |
| 80a4h | 4 | 2DFF94h | |
| 80b0h | 4 | 1037Fh | |
| 80b4h | 4 | 0h | |
| 80b8h | 4 | 0h | |
| 80e0h | 4 | 8081BCA0h | |
| 8e14h | 4 | 0h | |
| 8e18h | 4 | 0h | |
| 8e20h | 4 | 0h | |
| 8e24h | 4 | Always Running Time (ART) High (ALWAYS_RUNNING_TIME_HIGH) | 0h |
| 8e7ch | 4 | 788000h | |
| 8ebch | 4 | Host Ctrl USB3 Soft Error Count Register 1 (HOST_CTRL_USB3_ERR_COUNT_REG1) | 0h |