Intel® Core™ Ultra 200H and 200U Series Processors CFG and MEM Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 844345 | 01/29/2025 | 001 | Public |
Device Capabilities 2 (DEVCAP2_0_2_0_PCI) – Offset 94
This register provides information on the PCIe Device capablities.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:21 | 0h | RO | Reserved |
| 20 | 1h | RO | EXTENDED FORMAT FIELD (EXTFF) If set, function supports 3 bit definition of FMT field. Functions are strongly recommended to supported 3-bit definition of FMT field. |
| 19:18 | 0h | RO | OBFF SUPPORTED (OBFFSPT) 00b: OBFF not supported; |
| 17 | 1h | RO | 10-BIT TAG REQUESTER SUPPORTED (TTRS) 10-Bit Tag Requester Supported |
| 16 | 1h | RO | 10-BIT TAG COMPLETER SUPPORTED (TTCS) 10-bit Tag Completer Supported |
| 15:14 | 0h | RO | LN SYSTEM CLS (LNCLS) 00b: LN Completer not supported and not in effect |
| 13:12 | 0h | RO | TPH COMPLETER SUPPORTED (TPHCS) 00b: TPH and Extended TPH completer not supported |
| 11 | 1h | RO | LTR MECHANISM SUPPORTED (LTRSP) 1b indicates support for the options Latency Tolerance Reporting (LTR) mechanism. |
| 10 | 0h | RO | Reserved |
| 9:7 | 0h | RO | ATOMICOP COMPLETER (AOC) These bits apply if FetchAdd, Swap, and CAS AtomicOps are supported. |
| 6:5 | 0h | RO | Reserved |
| 4 | 1h | RO | COMPLETION TIMEOUT DISABLE (CTIMEOUTDIS) Completion Timeout Disable supported. 1b indicates support for the completion timeout disable mechanism. Completion timeout disable is required for endpoints that issue requests on their own behalf. |
| 3:0 | 2h | RO | COMPLETION TIMEOUT RANGE (CTOR) Completion Timeout ranges supported. Range B : 10ms to 250ms (0010b) |