Intel® Core™ Ultra Processors for H-series and U-series Platforms CFG and MEM Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 795258 | 12/14/2023 | Public |
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D0:F0 Host Bridge and DRAM Controller - Host Bridge/DRAM (part 2) Registers
This chapter documents the registers in Bus 0, Device 0, Function 0.
Note: Some of the registers in this chapter has a new nomenclature. Refer Table 1 for more information.
| Offset | Size (Bytes) | Register Name (Register Symbol) | Scope | Default Value |
|---|---|---|---|---|
| 48h | 8 | package | 0000000000000000h | |
| 50h | 2 | package | 0500h | |
| 54h | 4 | package | 0002D491h | |
| 58h | 4 | package | 00000001h | |
| 5ch | 4 | package | 00000000h | |
| 60h | 8 | package | 0000000000000000h | |
| 68h | 8 | package | 0000000000000000h | |
| 80h | 1 | package | 00h | |
| 81h | 1 | package | 00h | |
| 82h | 1 | package | 00h | |
| 83h | 1 | package | 00h | |
| 84h | 1 | package | 00h | |
| 85h | 1 | package | 00h | |
| 86h | 1 | package | 00h | |
| 87h | 1 | package | 10h | |
| a0h | 8 | package | 0000007FFFF00000h | |
| a8h | 8 | package | 0000000000000000h | |
| b0h | 4 | package | 00000000h | |
| b4h | 4 | package | 00100000h | |
| b8h | 4 | package | 00000000h | |
| bch | 4 | package | 00100000h | |
| dch | 4 | package | 00000000h | |
| e4h | 4 | package | 00000000h | |
| e8h | 4 | package | 00000000h | |
| ech | 4 | package | 00000000h | |
| f0h | 4 | package | 00000000h |