Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
| ID | Date | Version | Classification |
|---|---|---|---|
| 615146 | 08/09/2019 | 1.2 | Public |
PCI Power Management Capabilities (HECI1_PC) – Offset 52
PCI Power Management Capabilities
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 15:11 | 01000b | RO | PME Support (PSUP) Indicates the states that can generate PME#. The controller can assert PME# from D3hot only. |
| 10 | 0b | RO | D2 Support (D2S) The D2 state is not supported for the host controller. |
| 9 | 0b | RO | D1_Support (D1S) The D1 state is not supported for the host controller. |
| 8:6 | 000b | RO | Aux Current (AUXC) Reports the maximum Suspend well current required when in the D3COLD state. Value of 0 is reported. |
| 5 | 0b | RO | Device Specific Initialization (DSI) Indicates whether device-specific initialization is required. |
| 4 | - | - | Reserved
|
| 3 | 0b | RO | PME Clock (PMEC) Indicates that PCI clock is not required to generate PME#. |
| 2:0 | 011b | RO | Version (VS) Indicates support for Revision 1.2 of the PCI Power Management Specification. |