Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
ID | Date | Version | Classification |
---|---|---|---|
615146 | 08/09/2019 | 1.2 | Public |
XECP_SUPP_USB2_0 (XECP_SUPP_USB2_0) – Offset 8000
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
31:24 | 02h | RO | USB Major Revision: 2.0 (USB2_MAJ_REV) Major Specification Release Number in Binary-Coded Decimal (i.e., version 3.x is 03h). This field identifies the major release number component of the specification with which the xHC is compliant. |
23:16 | 00h | RO | USB Minor Revision (USB_MIN_REV) Minor Specification Release Number in Binary-Coded Decimal (i.e., version x.10 is 10h). This field identifies the minor release number component of the specification with which the xHC is compliant. |
15:8 | 08h | RO | Next Capability Pointer (NCP) This field indicates the location of the next capability with respect to the effective address of this capability. |
7:0 | 02h | RO | Supported Protocol ID (SPID) This field identifies the xHCI Extended capability. Refer to Table 146 for a list of the valid xHCI extended capabilities. |