Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
| ID | Date | Version | Classification |
|---|---|---|---|
| 615146 | 08/09/2019 | 1.2 | Public |
PCI Interrupt Route 0 (PIR0) – Offset 3140
This register applies to Device 31 functions.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 14:12 | 011b | RW | Interrupt D Pin Route (IDR) Indicates which PIRQ in PCH is connected to the INTD# pin reported for device 31 functions: |
| 11 | - | - | Reserved
|
| 10:8 | 010b | RW | Interrupt C Pin Route (ICR) See the IDR description. This field applies to INTC# |
| 7 | - | - | Reserved
|
| 6:4 | 001b | RW | Interrupt B Pin Route (IBR) See the IDR description. This field applies to INTB#. |
| 3 | - | - | Reserved
|
| 2:0 | 000b | RW | Interrupt A Pin Route (IAR) See the IDR description. This field applies to INTA#. |