Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
| ID | Date | Version | Classification |
|---|---|---|---|
| 834576 | 10/10/2024 | 001 | Public |
Capabilities List 2 & Message Control Register (DMI_MS0) – Offset d0
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:24 | 0h | RW/V | Reserved (Reserved)
|
| 23 | 1h | RW/V | 64-bit Capable (BIT64_CAP) Set to 1 to indicate that the GbE LAN Controller is capable of generating 64-bit message addresses. |
| 22:20 | 0h | RW/V | Multiple Message Enable (MLT_MSG_EN) Returns 000b to indicate that the GbE LAN controller only supports a single message. |
| 19:17 | 0h | RW/V | Multiple Message Capable (MLT_MSG_CAP) The GbE LAN controller does not support multiple messages. |
| 16 | 0h | RW | Message Signal Interrupt Enable (MSI_EN) 0 = MSI generation is disabled. |
| 15:8 | e0h | RW/V | Next Capability (NEXT_ITEM_PTR) Value of E0h points to the Function Level Reset capability structure. |
| 7:0 | 5h | RW/V | Capability ID (CAP_ID) Indicates the linked list item is a Message Signaled Interrupt Register. |