Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
ID | Date | Version | Classification |
---|---|---|---|
615146 | 08/09/2019 | 1.2 | Public |
Interrupter x Management (IMANx) – Offset 2020
Note that there are a total of 8 IMAN registers at the following offsets:
IMAN0: at offset 2020h
IMAN1: at offset 2040h
IMAN2: at offset 2060h
.....
IMAN6: at offset 20E0h
IMAN7; at offset 2100h
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
30:2 | - | - | Reserved
|
1 | 0b | RW | Interrupt Enable (IE) This flag specifies whether the Interrupter is capable of generating an interrupt.0 = The Interrupter is prohibited from generating interrupts.1 = When this bit and the IP bit are set (1b), the Interrupter shall generate an interrupt when the Interrupter Moderation Counter reaches ‘0’. |
0 | 0b | RW/1C | Interrupt Pending (IP) 0 = No interrupt is pending for the Interrupter.1 = An interrupt is pending for this Interrupter.This bit is set to 1b when IE = 1, the IMODI Interrupt Moderation Counter field = 0b, the Event Ring associated with the Interrupter is not empty (or for the Primary Interrupter when the HCE flag is set to 1b), and EHB = 0. If MSI interrupts are enabled, this flag shall be cleared automatically when the PCI DWord write generated by the Interrupt assertion is complete. If PCI Pin Interrupts are enabled, this flag shall be cleared by software. |