Intel® Core™ Ultra 200V Series Processors CFG and MEM Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 831649 | 03/30/2026 | 001 | Public |
MSI Capability (MSI_CAP_REG) – Offset d0
MSI Capability
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:25 | 0h | RO | Reserved |
| 24 | 1h | RO | Per Vector Masking Capability (PER_VECTOR_MSK_CAP) Per Vector Masking Capability |
| 23 | 1h | RO | MSI Capability (MSI_CAP_64B) 64 bit message address capability |
| 22:20 | 0h | RW | Multi Message Enable (MUL_MSG_EN) Multiple Message Enable |
| 19:17 | 0h | RO | Multiple Message Capable (MUL_MSG_CAP) Multiple Message Capable |
| 16 | 0h | RW | MSI Enable (MSG_MSI_ENABLE) MSI Enable:If 1, then the PCI Device is allowed to use MSI to request service. The PCI Device is prohibited to use INTx, when MSI is enabledIf 0, then the PCI Device is prohibited from using MSI to request service. |
| 15:8 | 0h | RO | Next Pointer (MSG_NXT_PTR) Next Capability Pointer |
| 7:0 | 5h | RO | MSI Capability ID (MSG_CAP_ID) MSI Capability ID |