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 Register
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:25 | 0h | RO | Reserved |
| 24 | 0x1 | RO | Per Vector Masking Capability Field (PER_VECTOR_MSK_CAP) Per Vector Masking Capability |
| 23 | 0x1 | RO | Msi Capability Field (MSI_CAP_64B) 64 bit message address capability |
| 22:20 | 0x0 | RW | Multi Message En Field (MUL_MSG_EN) Multiple Message Enable |
| 19:17 | 0x0 | RO | Multi Message Cap Field (MUL_MSG_CAP) Multiple Message Capable |
| 16 | 0x0 | RW | Msi Enable Field (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 | 0x40 | RO | Next Pointer Field (MSG_NXT_PTR) Next Capability Pointer |
| 7:0 | 0x5 | RO | Msi Capability Field (MSG_CAP_ID) MSI Capability ID |