Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
| ID | Date | Version | Classification |
|---|---|---|---|
| 834576 | 10/10/2024 | 001 | Public |
Msi Capability Register (MSI_CAP_REG) – Offset d0
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:25 | 0h | RO | Reserved Field (RESERVED0) MSI Message Control bits |
| 24 | 1h | RO | Per Vector Masking Capability Field (PER_VECTOR_MSK_CAP) Per Vector Masking Capability |
| 23 | 1h | RO | Msi Capability Field (MSI_CAP_64B) 64 bit message address capability |
| 22:20 | 0h | RW | Multi Message En Field (MUL_MSG_EN) Multiple Message Enable |
| 19:17 | 0h | RO | Multi Message Cap Field (MUL_MSG_CAP) Multiple Message Capable |
| 16 | 0h | RW | Msi Enable Field (MSG_MSI_ENABLE) MSI Enable: |
| 15:8 | 0h | RO | Next Pointer Field (MSG_NXT_PTR) Next Capability Pointer |
| 7:0 | 5h | RO | Msi Capability Field (MSG_CAP_ID) MSI Capability ID |