Intel® Core™ Ultra 200H and 200U Series Processors CFG and MEM Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 844345 | 01/29/2025 | 001 | Public |
PCIe Device Capability (DEVCAPREG) – Offset 44
PCIE Device Capability
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:29 | 0h | RO | Reserved |
| 28 | 1h | RO | FLR Capability (FLR_CAP) Values of 1 Indicates support for the optional Functional Level Reset mechanism as defined by PCI Express Specification. |
| 27:26 | 0h | RO | CAP1 Slot Power Limit Value (CAP_SLOT_PWR_LIM_SCALE) Captured Slot Power Limit Scale. Tied to 0. |
| 25:18 | 0h | RO | CAP1 Slot Power Limit Scale (CAP_SLOT_PWR_LIM_VAL) Captured Slot Power Limit Value. Tied to 0. |
| 17:16 | 0h | RO | Reserved |
| 15 | 1h | RO | RB Error (RB_ERR_RPTR) Role Based Error Reporting |
| 14:12 | 0h | RO | Reserved |
| 11:9 | 7h | RO | EP L01 Acceptable Latency (EP_L1_ACC_LAT) L1 Acceptable Latency |
| 8:6 | 7h | RO | EP L0 Acceptable Latency (EP_L0_ACC_LAT) L0 Acceptable Latency |
| 5 | 0h | RO | ETF Support (ETF_SUPPORT) Extended Tag Field Support |
| 4:3 | 0h | RO | Phantom Func Support (PHANTOM_FUNC_SUPPORT) Phantom Functions support. NA for Bridge |
| 2:0 | 0h | RO | Max Pl Size Support (MAX_PL_SIZE_SUPPORT) Max Payload Size |