PI=0
Host Controller Structural Parameters Register
| N_PORTS | Number of Ports |
| PPC | Power Port Control 1 (1): Ports have power port switches |
| RESERVED | Reserved |
| N_PCC | Number Ports per CC |
| N_CC | Number of Companion Controllers |
| PI | Port Indicators 0 (0): No port indicator fields 1 (1): The port status and control registers include a R/W field for controlling the state of the port indicator |
| RESERVED | Reserved |
| N_PTT | Ports per Transaction Translator |
| N_TT | Number of Transaction Translators. |
| RESERVED | Reserved |