Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
| ID | Date | Version | Classification |
|---|---|---|---|
| 834576 | 10/10/2024 | 001 | Public |
Power Management Capabilities (PMCSR) – Offset cc
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:24 | 0xd | RO | PWR_DIS_CON (PWR_DIS_CON) Used to report power consumption and heat dissipation (default for D3-0x1) |
| 23 | 0x0 | RO | BUS_PWR_CLK_CEN (BUS_PWR_CLK_CEN) Bus Power/Clock Control Enable, does not apply to PCI Express. Hardwired. |
| 22 | 0x0 | RO | B2_B3_SUPRT (B2_B3_SUPRT) B2/B3 Support, does not apply to PCI Express. Hardwired. |
| 21:16 | 0h | RO | Reserved |
| 15 | 0x0 | RW/1C | PME_STAT (PME_STAT) This bit reflects whether the function has experienced a PME. Sticky value. |
| 14:13 | 0x0 | RO | DAT_SCALE (DAT_SCALE) Data Scale. |
| 12:9 | 0x0 | RW | DAT_SEL (DAT_SEL) Data Select, selects the data value to be viewed through the Data. Register. |
| 8 | 0x0 | RW | PME_ENA (PME_ENA) PME Enable. Sticky value. |
| 7:4 | 0h | RO | Reserved |
| 3 | 0x1 | RO | NO_SOFT_RESET (NO_SOFT_RESET) No Soft Reset |
| 2 | 0h | RO | Reserved |
| 1:0 | 0x0 | RW | PWR_STATE (PWR_STATE) Power State |