Intel® Core™ Ultra Series 3 Processors I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872352 | 04/14/2026 | 001 | Public |
Global Capabilities 2 (GCAP2) – Offset 12
This register indicates the additional capabilities of the controller.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 15:3 | 0h | RO | Reserved (Zero) (RSVD15) SW must use zeros for writes. |
| 2 | 1h | RO | HD Audio Low Power Link Capability (LPLC) Indicates whether the HD-A link is capable of low power operation with just the link DMA, whilst the host DMA is being reset with CRSTB = 0. |
| 1 | 0h | RO | Dynamic FIFO Limit Change Capability (DFIFOLCC) Indicates whether the energy efficient audio FIFOLC operation is static or dynamic. |
| 0 | 0h | RO | Energy Efficient Audio Capability (EEAC) Indicates whether the energy efficient audio with deeper buffering is supported or not. |