Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
| ID | Date | Version | Classification |
|---|---|---|---|
| 834576 | 10/10/2024 | 001 | Public |
Interrupt Register (INTERRUPTREG) – Offset 3c
Interrupt line Register isn't used in Bridge directly Interrupt Pin register reflects the IPIN value in private config space. Min_gnt register indicating the req of latency timers and max_lat register max latenc
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:24 | 0h | RO | Max Latency Field (MAX_LAT) Value of 0 indicates device has no major requirements for the settings of latency timers |
| 23:16 | 0h | RO | Min Gnt Field (MIN_GNT) Value of 0 indicates device has no major requirements for the settings of latency timers. |
| 15:12 | 0h | RO | Reserved Field (RESERVED0) This field is Reserved |
| 11:8 | 1h | RO | Interrupt Pin Field (INTPIN) Interrupt Pin: Value in this register is reflected from the IPIN value in the private configuration space. |
| 7:0 | 0h | RW/P | Int Line Field (INTLINE) Interrupt Line: It is used to communicate to software the interrupt line to which the interrupt pin is connected |