Intel® Core™ Ultra Series 3 Processors I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872352 | 04/14/2026 | 001 | Public |
Power Management Status and Control (PMCSR) – Offset cc
Power Management Status and Control (Offset 0xCC)
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:24 | dh | RO | Power DIS Control (PWR_DIS_CON) used to report power consumption and heat dissipation [driven from OTP] (default for D3-0x1) |
| 23 | 0h | RO | BUS Power Clock CEN (BUS_PWR_CLK_CEN) Bus Power/Clock Control Enable, does not apply to PCI Express HARDWIRED |
| 22 | 0h | RO | B [2], B [3], SUPRT (B2_B3_SUPRT) B2/B3 Support, does not apply to PCI Express HARDWIRED |
| 21:16 | 0h | RO | Reserved |
| 15 | 0h | RW/1C | PME Status (PME_STAT) This bit reflects whether the function has experienced a PME. sticky value. |
| 14:13 | 0h | RO | Data SCALE (DAT_SCALE) Data Scale [driven from OTP] |
| 12:9 | 0h | RW | Data Select (DAT_SEL) Data Select, selects the data value to be viewed through the Data register |
| 8 | 0h | RW | PME ENA (PME_ENA) PME Enable. sticky value. |
| 7:4 | 0h | RO | Reserved |
| 3 | 1h | RO | NO SOFT RESET (NO_SOFT_RESET) No_Soft_Reset |
| 2 | 0h | RO | Reserved |
| 1:0 | 0h | RW | Power STATE (PWR_STATE) Power State |