12th Generation Intel® Core™ Processors Datasheet Volume 2 of 2
ID | Date | Version | Classification |
---|---|---|---|
767625 | 07/13/2023 | Public |
Inter-Channel Decode Parameters (MAD_INTER_CHANNEL_0_0_0_MCHBAR) – Offset D800
This register holds parameters used by the channel decode stage.
It defines virtual channel L mapping, as well as channel S size.
Also defined is the DDR type installed in the system (what DDR/LPDDR type is used).
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
31 | 0x0 | RW | Half Cacheline Mode (HalfCacheLineMode) In this mode, the memory controller operates at 32B data chunkss. |
30:29 | 0h | RO | Reserved |
28:27 | 0x0 | RW | Channel Width (CH_WIDTH) This field defines the width of DRAM Channel |
26:20 | 0h | RO | Reserved |
19:12 | 0x0 | RW | Channel S Size (CH_S_SIZE) Channel S size in multiplies of 0.5GB. |
11:5 | 0h | RO | Reserved |
4 | 0x0 | RW | Channel L Mapping (CH_L_MAP) Channel L mapping to physical channel. |
3 | 0h | RO | Reserved |
2:0 | 0x0 | RW | DDR Type (DDR_TYPE) Defines the DDR type: |