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 | 0h | RW/1C | Received Master Abort (RMA) S/W writes a ‘1’ to this bit to clear it. |
| 28 | 0h | RW/1C | Received Target Abort (RTA) S/W writes a ‘1’ to this bit to clear it. |
| 27:21 | - | - | Reserved
|
| 20 | 1h | RO | Capabilities List (CAPLIST) Indicates that the controller contains a capabilities pointer list. |
| 19 | 0h | RO | Interrupt Status (INTR_STATUS) This bit reflects state of interrupt in the device. |
| 18:11 | - | - | Reserved
|
| 10 | 0h | RW | Interrupt Disable (INTR_DISABLE) Setting this bit disables INTx assertion. The interrupt disabled is legacy INTx# interrupt. |
| 9 | - | - | Reserved
|
| 8 | 0h | RW | SERR Enable (SERR_ENABLE) Not implemented. |
| 7:3 | - | - | Reserved
|
| 2 | 0h | RW | Bus Master Enable (BME) If this bit is 0, the controller does not generate any new upstream transaction as a master. |
| 1 | 0h | RW | Memory Space Enable (MSE) 0 = Disables memory mapped Configuration space. |
| 0 | - | - | Reserved
|