Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
| ID | Date | Version | Classification |
|---|---|---|---|
| 834576 | 10/10/2024 | 001 | Public |
ADR Control and Status (ADR_CTRL_STS) – Offset 1960
This register contains bits that determine the behavior of the ADR feature. This register is in the RTC power well and is reset by RTCRST#.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:3 | 0h | RO | Reserved |
| 2 | 0h | RW/1C/V | ADR Phase 2 Timer Expiration Status (ADR_P2_TIMER_EXP_STS) Hardware reports the time expiration for Phase 2 |
| 1 | 0h | RW/1C/V | ADR Phase 1 Timer Expiration Status (ADR_P1_TIMER_EXP_STS) Hardware reports the time expiration for Phase 1 |
| 0 | 0h | RW/1C/V | ADR Reset Status (ADR_RST_STS) When set to '1', this bit indicates that the Automatic DIMM Self-Refresh (ADR) flow was executed during a prior global reset entry. |