Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
| ID | Date | Version | Classification |
|---|---|---|---|
| 615146 | 08/09/2019 | 1.2 | Public |
Command (CMD) – Offset 4
Command
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 14:11 | - | - | Reserved
|
| 10 | 0b | RW | Interrupt Disable (INTD) 1 = Disables SMBus to assert its PIRQB# signal. Defaults to 0. |
| 9 | 0b | RO | Fast Back to Back Enable (FBE) Reserved as 0. Read Only. |
| 8 | 0b | RW | SERR# Enable (SERRE) 1 = Enables SERR# generation |
| 7 | 0b | RO | Wait Cycle Control (WCC) Reserved as 0. Read Only. |
| 6 | 0b | RW | Parity Error Response (PER) 1 = Sets Detected Parity Error bit when parity error is detected |
| 5 | 0b | RO | VGA Palette Snoop (VGAPS) Reserved as 0. Read Only. |
| 4 | 0b | RO | Postable Memory Write Enable (PMWE) Reserved as 0. Read Only. |
| 3 | 0b | RO | Special Cycle Enable (SCE) Reserved as 0. Read Only. |
| 2 | 0b | RO | Bus Master Enable (BME) Reserved as 0. Read Only. |
| 1 | 0b | RW | Memory Space Enable (MSE) 1= Enables memory mapped config space. |
| 0 | 0b | RW | I/O Space Enable (IOSE) 1= enables access to the SM Bus I/O space registers as defined by the Base Address Register. |