Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
ID | Date | Version | Classification |
---|---|---|---|
834576 | 10/10/2024 | 001 | Public |
Message Signaled Interrupt Message Control (MSI_MCTL_MMIO) – Offset 8682
Dummy register, mirror of physical register as MSI_MCTL
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
15:9 | 0h | RO | Reserved (RSVD) Reserved |
8 | 0h | RO | Per-Vector Masking Capable (PVM) Specifies whether controller supports MSI per vector masking. Not supported |
7 | 1h | RO | 64 Bit Address Capable (C64) Specifies whether capable of generating 64-bit messages. This device is 64-bit capable. |
6:4 | 0h | RW | Multiple Message Enable (MME) Indicates the number of messages the controller should assert. This device supports multiple message MSI. |
3:1 | 3h | RO | Multiple Message Capable (MMC) Indicates the number of messages the controller wishes to assert. |
0 | 0h | RW | MSI Enable (MSIE) If set to 1, MSI is enabled and the traditional interrupt pins are not used to generate interrupts. |