Intel® Core™ Ultra 200H and 200U Series Processors CFG and MEM Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 844345 | 01/29/2025 | 001 | Public |
PCIe Device Control2 Status (DEVCTRLSTAT2) – Offset 68
PCIE Device Status
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:16 | 0h | RO | Reserved |
| 15 | 0h | RO | End to End TLP Prefixes Blocking (EE_TLP_PREFIX_EN) End to End TLP Prefixes Blocking |
| 14:13 | 0h | RO | OBFF Enable (OBFF_EN) This field enables the OBFF mechanism and selects the signaling method. |
| 12:11 | 0h | RO | Reserved |
| 10 | 0h | RW | LTR Mechanism Enable (LTR_MECH_EN) LTR Mechanism Enable |
| 9 | 0h | RO | IDO Completion Enable (IDO_CPL_EN) IDO Completion Enable |
| 8 | 0h | RO | IDO Request Enable (IDO_REQ_EN) IDO Request Enable |
| 7 | 0h | RO | Atomic Operation Egress Blocking (ATM_OP_EGR_BLK) Atomic Operation Egress Blocking |
| 6 | 0h | RO | Actomic Operation Requester Enable (ATM_OP_REQ_EN) Actomic Operation Requester Enable |
| 5 | 0h | RO | ARI Forwarding Enable (ARI_FWD_EN) ARI Forwarding Enable |
| 4 | 0h | RW | Completion Timeout Disable Support (CPL_TO_DIS) Completion Timeout Disable Support |
| 3:0 | 0h | RW | Completion Timeout Value (CPL_TO_VAL) Completion Timeout Value |