Intel® Core™ Ultra Series 3 Processors I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872352 | 04/14/2026 | 001 | Public |
PGD PFET Enable Ack Status Register 1 (PPFEAR1) – Offset 1d94
PGD PFET Enable Ack Status Register
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:30 | 0h | RO | Reserved |
| 29 | 0h | RO/V | PSF Power Gate ACK Status (AGT61_PFET_EN_ACK_STS) Same description as bit 0. |
| 28:26 | 0h | RO | Reserved |
| 25 | 0h | RO/V | Intel Trace Hub Power Gate ACK Status (AGT57_PFET_EN_ACK_STS) Same description as bit 0. |
| 24:21 | 0h | RO | Reserved |
| 20 | 0h | RO/V | UFS Power Gate ACK Status (AGT52_PFET_EN_ACK_STS) Same description as bit 0. |
| 19 | 0h | RO/V | CNVi Power Gate ACK Status (AGT51_PFET_EN_ACK_STS) Same description as bit 0. |
| 18 | 0h | RO/V | PSF Power Gate ACK Status (AGT50_PFET_EN_ACK_STS) Same description as bit 0. |
| 17:14 | 0h | RO | Reserved |
| 13 | 0h | RO/V | Intel Partner Security Engine Power Gate ACK Status (AGT45_PFET_EN_ACK_STS) Same description as bit 0. |
| 12:10 | 0h | RO | Reserved |
| 9 | 0h | RO/V | Security Engine Power Gate ACK Status (AGT41_PFET_EN_ACK_STS) Same description as bit 0. |
| 8 | 0h | RO | Reserved |
| 7 | 0h | RO/V | CSME PSF Power Gate ACK Status (AGT39_PFET_EN_ACK_STS) Same description as bit 0. |
| 6 | 0h | RO/V | CSME RTC Power Gate ACK Status (AGT38_PFET_EN_ACK_STS) Same description as bit 0. |
| 5 | 0h | RO/V | CSME Power Gate ACK Status (AGT37_PFET_EN_ACK_STS) Same description as bit 0. |
| 4 | 0h | RO/V | CSME Power Gate ACK Status (AGT36_PFET_EN_ACK_STS) Same description as bit 0. |
| 3 | 0h | RO | Reserved |
| 2 | 0h | RO/V | CSME Power Gate ACK Status (AGT34_PFET_EN_ACK_STS) Same description as bit 0. |
| 1 | 0h | RO/V | CSME SRAM Power Gate Ack Status (AGT33_PFET_EN_ACK_STS) Same description as bit 0. |
| 0 | 0h | RO/V | USB-R PFET Enable Ack Status (AGT32_PFET_EN_ACK_STS) 0 - PFET is turned ON |