Intel® Core™ Ultra 200S and 200HX Series Processors CFG & MEM Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 835538 | 01/29/2025 | 001 | Public |
MemSS PMA BIOS memory configuration register (MEMSS_PMA_CR_BIOS_MEM_CONFIG) – Offset 13d00
This register is used as interface between BIOS and MemSS PMA. Bios writes memory configuration and individual IP enable/disable status into the register. It is written by BIOS and read by MemSS PMA. The register must be locked for write after MRC sets MEMSS_PMA_CR_BIOS_REQ.RUN_BUSY.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:9 | 0h | RO | Reserved |
| 8:6 | 0h | RW | DDR Type (DDR_TYPE) DDR Type: |
| 5 | 0h | RW | CCE1 enable (CCE1_EN) BIOS Enable for CCE1 |
| 4 | 0h | RW | CCE0 enable (CCE0_EN) BIOS Enable for CCE0 |
| 3 | 0h | RW | IBECC1 enable (IBECC1_EN) BIOS Enable for IBECC1 |
| 2 | 0h | RW | IBECC0 enable (IBECC0_EN) BIOS Enable for IBECC0 |
| 1 | 0h | RW | MC1 enable (MC1_EN) BIOS Enable for MC1 |
| 0 | 0h | RW | MC0 enable (MC0_EN) BIOS Enable for MC0 |