Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
ID | Date | Version | Classification |
---|---|---|---|
834576 | 10/10/2024 | 001 | Public |
Device Status (DSTS) – Offset 4a
This is the Device Status registers. Refer description for each individual field below for more details of the register functionality.
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
15:6 | 0h | RO | Reserved (RSVD_M) Reserved. |
5 | 0h | RO | Transactions Pending (TDP) This bit has no meaning for the root port since it never initiates a non-posted request with its own RequesterID. |
4 | 1h | RO | AUX Power Detected (APD) The root port contains AUX power for wakeup |
3 | 0h | RW/1C/V | Unsupported Request Detected (URD) Indicates an unsupported request was detected. |
2 | 0h | RW/1C/V | Fatal Error Detected (FED) Indicates a fatal error was detected. Set when a fatal error occurred. (Example : data link protocol error, buffer overflow, malformed tlp, etc) |
1 | 0h | RW/1C/V | Non-Fatal Error Detected (NFED) Indicates a non-fatal error was detected. Set when an received a non-fatal error occurred (Example : a poisoned tlp, unexpected completions, unsupported requests, completor abort, completer timeout, etc) |
0 | 0h | RW/1C/V | Correctable Error Detected (CED) Indicates a correctable error was detected. Set when received an internal correctable error. (Example : receiver errors / framing errors, tlp crc error, dllp crc error, replay num rollover, replay timeout, etc) |