Intel® Core™ Ultra Series 3 Processors I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872352 | 04/14/2026 | 001 | Public |
Set ID Value (DW1) (SETIDVAL1) – Offset 1c8c
This register indicates the ID value initialized by IOSF Sideband set ID message.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:28 | 0h | RO | Reserved (Zero) (RSVD31) SW must use zeros for writes. |
| 27:24 | 0h | RO/V | Dot Portion of Process ID (DPOP) This and all other bits of the second DW of this message are expected to mapped directly into PCI configuration register offset F8h. |
| 23:16 | 0h | RO/V | Manufacturing Stepping ID (MSID) This and all other bits of the second DW of this message are expected to mapped directly into PCI configuration register offset F8h. |
| 15:8 | 0h | RO/V | Manufacturing ID (MID) This and all other bits of the second DW of this message are expected to mapped directly into PCI configuration register offset F8h. |
| 7:0 | 0h | RO/V | Process Portion of Process ID (PPOP) This and all other bits of the second DW of this message are expected to mapped directly into PCI configuration register offset F8h. |