Intel® Core™ Ultra Series 3 Processors I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872352 | 04/14/2026 | 001 | Public |
Power Management Capabilities (PMC) – Offset c8
Power Management Capabilities Register (Offset 0xC8 )
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:27 | 19h | RO | PME SUPRT (PME_SUPRT) PME Support,indicates the power states in which the device may assert PME [driven from OTP] |
| 26 | 0h | RO | D [2], Power MANG (D2_PWR_MANG) D2 Power Management State support (KEDRON does not support ) [driven from OTP] |
| 25 | 0h | RO | D [1], Power MANG (D1_PWR_MANG) D1 Power Management State support (KEDRON does not support ) [driven from OTP] |
| 24:22 | 0h | RO | Auxiliary CUR (AUX_CUR) AUX Current (Used data register instead) [driven from OTP] |
| 21 | 1h | RO | Device Space Interrupt (DEV_SPC_INT) Device Specific Initialization [driven from OTP] |
| 20 | 0h | RO | Reserved |
| 19 | 0h | RO | PME Clock (PME_CLK) PME Clock, does not apply to PCI Express HARDWIRED |
| 18:16 | 3h | RO | Version SION (VERSION) value indicates that this function complies with the Revision 1.2 [driven from OTP] |
| 15:8 | d0h | RO | PMC NXT PTR (PMC_NXT_PTR) Next PTR, pointing to the location of next item in the functions capability list HARDWIRED |
| 7:0 | 1h | RO | PMC Capability Identification (PMC_CAP_ID) Capability ID, Indicates the linked list item is the PCI Power Management Registers HARDWIRED |