Intel® Core™ Ultra 200H and 200U Series Processors CFG and MEM Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 844345 | 01/29/2025 | 001 | Public |
ATS Capabiilty and Control (ATSCAPCTL) – Offset 104
ATS Capabiilty and Control
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31 | 0h | RW | ATS Enable (ats_enable) When Set, the Function is enabled to cache translations. |
| 30:21 | 0h | RO | Reserved |
| 20:16 | 0h | RW | Smallest Translation Unit (STU) Minimum number of 4096-byte blocks that is indicated in a Translation Completions or Invalidate Reqeusts. |
| 15:7 | 0h | RO | Reserved |
| 6 | 0h | RO | Global Invalidation (global_invalidate_supported) If Set, the Function supports Invalidation Requests that have the Global Inalidate bit Set. |
| 5 | 1h | RO | Page Aligned Request (page_aligned_request) If Set, indicates the Untranslated Address is always alined to a 4096 byte boundary. |
| 4:0 | 0h | RO | Invalidate Requests Count (invaildate_queue_depth) The number of Invalidate Requests that the Function can accept before backpressure on the Upstream connection. If 0 0000b, the Function can accept 32 Invalidate Requests. |