Intel® Core™ Ultra 200H and 200U Series Processors CFG and MEM Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 844345 | 01/29/2025 | 001 | Public |
Miscellaneous MR (TC_MR_0_0_0_MCHBAR) – Offset e490
Miscellaneous MR related timing constrains
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 63:39 | 0h | RO | Reserved |
| 38:32 | 0h | RW | MRW Delay - tMRD (tMRD) The time between MRS command and any other command in DCLK cycles |
| 31 | 0h | RO | Reserved |
| 30:23 | 10h | RW | MRR to MRR Delay - tMRR (tMRR) Time from MRR to MRR or MRR to any other command (specified in tCK) |
| 22:16 | 0h | RO | Reserved |
| 15:8 | 1fh | RW | PREMRR Delay (PREMRR) Enforces safety/timing of any cmd to read or write re-training MRR on SAGV flow exit. The timing will only be applied in LP5 (specified in WCK). |
| 7:0 | 0h | RO | Reserved |