Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
| ID | Date | Version | Classification |
|---|---|---|---|
| 615146 | 08/09/2019 | 1.2 | Public |
Status and Command (STATUSCOMMAND) – Offset 4
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 30 | - | - | Reserved
|
| 29 | 0b | RW/1C | Received Master Abort (RMA) Set when the bridge receives a completion with unsupported request status from the backbone. |
| 28 | 0b | RW/1C | Received Target Abort (RTA) Set when the bridge receives a completion with completer abort status from the backbone. |
| 27:20 | - | - | Reserved
|
| 19 | 0b | RO | Interrupt Status (INTR_STATUS) This bit reflects state of interrupt in the device. |
| 18:11 | - | - | Reserved
|
| 10 | 0b | RW | Interrupt Disable (INTR_DISABLE) Setting this bit disable INTx assertion. The interrupt disabled is legacy INTx interrupt. |
| 9 | - | - | Reserved
|
| 8 | 0b | RW | SERR Enable (SERR_ENABLE) Not implemented. |
| 7:3 | - | - | Reserved
|
| 2 | 0b | RW | Bus Master Enable (BME) Bus master Enable does not apply to messages sent out by PMC. |
| 1 | 0b | RW | Memory Space Enable (MSE) Controls a device's response to Memory Space accesses. This bit controls whether the host to PMC MMIO BAR is enabled or not. |
| 0 | - | - | Reserved
|