Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
| ID | Date | Version | Classification |
|---|---|---|---|
| 834576 | 10/10/2024 | 001 | Public |
Idle LTR (IDLELTR_VALUE) – Offset 214
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:16 | 0h | RO | Reserved |
| 15 | 0h | RW | Snoop Requirement (snoop_requirment) If the Requirement (bit 15) is clear, that indicates that the device has no LTR |
| 14:13 | 0h | RO | Reserved |
| 12:10 | 2h | RW | Snoop Latency Scale (snoop_latency_scale) Support for codes 010 (1us) or 011 (32us) for Snoop Latency Scale(1us -> 32ms total span) only. Writes to this CSR which dont match those values will be dropped completely, next read will return previous value. |
| 9:0 | 0h | RW | Snoop Value (snoop_value) 10-bit latency value |