Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
| ID | Date | Version | Classification |
|---|---|---|---|
| 834576 | 10/10/2024 | 001 | Public |
Device Status (DEVS) – Offset 8a
This register provides information about PCI Express device (Function) specific parameters.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 15:7 | 0h | RO | Reserved (RSVD3) This is a Reserved Register |
| 6 | 0h | RO | Emergency Power Reduction Detected (EPRD) This bit is Set when the Function is in the Emergency Power Reduction State.Not implemented. Hardwired to 0. |
| 5 | 0h | RO/V | Transactions Pending (TXP) A 1 indicates that the ACE IP has issued Non-Posted requests which have not been completed. A 0 indicates that Completions for all Non-Posted Requests have been received. |
| 4 | 1h | RO/V | AUX Power Detected (AUXDET) Hardwired to 1 indicating the device is connected to Primary power and able to wake from D3cold state. |
| 3 | 0h | RW/1C/V | Unsupported Request Detected (URDET) This bit indicates that the Function received an Unsupported Request |
| 2 | 0h | RO | Fatal Error Detected (FEDET) Not implemented. Hardwired to 0. |
| 1 | 0h | RW/1C/V | Non-Fatal Error Detected (NFEDET) This bit indicates status of Non-fatal errors detected |
| 0 | 0h | RO | Correctable Error Detected (CEDET) Not implemented. Hardwired to 0. |