12th Generation Intel® Core™ Processors Datasheet Volume 2 of 2
| ID | Date | Version | Classification |
|---|---|---|---|
| 767625 | 07/13/2023 | Public |
Capability Parameters (HCCPARAMS) – Offset 10
This register is modified and maintained by BIOS
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:16 | 0x2000 | RW/L | xHCI Extended Capabilities Pointer (XECP) xHCI Extended Capabilities Pointer (xECP): |
| 15:12 | 0x7 | RW/L | Maximum Primary Stream Array Size (MAXPSASIZE) Maximum Primary Stream Array Size (MaxPSASize): |
| 11 | 0x1 | RW/L | Contiguous Frame ID Capability (CFC) Contiguous Frame ID Capability (CFC) |
| 10 | 0x1 | RW/L | Stopped EDLTA Capabilty (SEC) Stopped EDLTA Capabilty (SEC) |
| 9 | 0x1 | RW/L | Stopped - Short Packet Capability (SPC) Stopped - Short Packet Capability (SPC) |
| 8 | 0x1 | RW/L | Parst All Event Data (PAE) Parse All Event Data (PAE) |
| 7 | 0x1 | RW/L | No Secondary SID Support (NSS) No Secondary SID Support (NSS) |
| 6 | 0x1 | RW/L | Latency Tolerance Messaging Capability (LTC) Latency Tolerance Messaging Capability (LTC): |
| 5 | 0x0 | RW/L | Light HC Reset Capability (LHRC) Light HC Reset Capability (LHRC) |
| 4 | 0x0 | RW/L | Port Indicators (PIND) Port Indicators (PIND): |
| 3 | 0x0 | RW/L | Port Power Control (PPC) Port Power Control (PPC): |
| 2 | 0x0 | RW/L | Context Size (CSZ) Context Size (CSZ): |
| 1 | 0x0 | RW/L | BW Negotiation Capability (BNC) BW Negotiation Capability (BNC): |
| 0 | 0x1 | RW/L | 64-bit Addressing Capability (AC64) 64-bit Addressing Capability (AC64) |