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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Cache Line Latency Header and BIST (CLLATHEADERBIST) – Offset c
Cache Line size as RW with def 0 Latency timer RW with def 0 Header type with Type 0 configuration header and Reserved BIST register
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:24 | 0h | RO | Reserved |
| 23 | 0h | RO | Multi-Function Device (MULFNDEV) This bit is set only if the device has multiple functions. |
| 22:16 | 0h | RO | Header Type (HEADERTYPE) Implements Type 0 Configuration header |
| 15:8 | 0h | RO | Latency Timer (LATTIMER) This register is implemented as R/W with default as 0. |
| 7:0 | 0h | RW/P | Cache Line Size (CACHELINE_SIZE) Doesn't apply to PCI Express. |