Intel® Core™ Ultra Series 3 Processors I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872352 | 04/14/2026 | 001 | Public |
Fuse Value (FUSVAL) – Offset 1c80
This register indicates the fuse value initialized by IOSF Sideband fuse pull message.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:16 | 0h | RO | Reserved (Zero) (RSVD31) SW must use zeros for writes. |
| 15:8 | 0h | RO/V | Silicon SKU ID (SSKUID) Meant for BIOS / DSP FW to read and provide different feature set depending on the silicon SKU configuration. |
| 7 | 0h | RO/V | AONV Disable (AONVD) Fuse to 1 to disable the AON Vision functionality for non premium SKU. |
| 6 | 0h | RO/V | SoundWire Disable (SNDWD) Fuse to 1 to disable the SoundWire functionality for non SoundWire SKU. |
| 5:2 | 0h | RO | Reserved (Zero) (RSVD5) SW must use zeros for writes. |
| 1 | 0h | RO/V | DSP Subsystem Disable (DSPSD) Fuse to 1 to disable DSP subsystem functionality for non DSP subsystem SKU. |
| 0 | 0h | RO | Reserved (Zero) (RSVD0) SW must use zeros for writes. |