Intel® Core™ Ultra Series 3 Processors I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872352 | 04/14/2026 | 001 | Public |
IP MCP PHYCtrl (IP_MCP_3_PHYCtrl) – Offset 4c11c
PHY Control - this register contains the slew control per lane for the PHY. Please note that any change to this register needs to be confirmed using the MCP_ConfigUpdate register before the changes take effect.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:28 | 0h | RW | (LN7SlewCtrl) Slew Rate control information for Data Lane 7 (if present) |
| 27:24 | 0h | RW | (LN6SlewCtrl) Slew Rate control information for Data Lane 6 (if present) |
| 23:20 | 0h | RW | (LN5SlewCtrl) Slew Rate control information for Data Lane 5 (if present) |
| 19:16 | 0h | RW | (LN4SlewCtrl) Slew Rate control information for Data Lane 4 (if present) |
| 15:12 | 0h | RW | (LN3SlewCtrl) Slew Rate control information for Data Lane 3 (if present) |
| 11:8 | 0h | RW | (LN2SlewCtrl) Slew Rate control information for Data Lane 2 (if present) |
| 7:4 | 0h | RW | (LN1SlewCtrl) Slew Rate control information for Data Lane 1 (if present) |
| 3:0 | 0h | RW | (LN0SlewCtrl) Slew Rate control information for Data Lane 0 |