Intel® Core™ Ultra Series 3 Processors I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872352 | 04/14/2026 | 001 | Public |
MCP IntMask (MCP_0_IntMask) – Offset 30148
IP Interrupt Mask
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31 | 0h | RW | (IRQen) Main Interrupt Enable. |
| 30:17 | 0h | RO | (Reserved1) Reserved field. |
| 16 | 0h | RW | (WakeUpEn) Wake Up Interrupt Enable |
| 15 | 0h | RW | (PeripheryReservedChangeEn) Periphery Reserved Interrupt Enable |
| 14 | 0h | RW | (PeripheryAlertChangeEn) Periphery Alert Interrupt Enable |
| 13 | 0h | RW | (PeripheryAttachedEn) Periphery Attached Interrupt Enable |
| 12 | 0h | RW | (PeripheryNotAttachedEn) Periphery NotAttached Interrupt Enable |
| 11 | 0h | RW | (DPIntEn) Data Port Interrupt Enable |
| 10 | 0h | RW | (CtrlBusClashEn) Command Bus Clash Interrupt Enable |
| 9 | 0h | RW | (DataBusClashEn) Data Bus Clash Interrupt Enable |
| 8 | 0h | RW | (ParityErrEn) Parity Error Interrupt Enable |
| 7 | 0h | RW | (CMDErrorEn) Command Interrupt Enable |
| 6:4 | 0h | RO | (Reserved0) Reserved field. |
| 3 | 0h | RW | (RXNEen) RX-FIFO not empty Interrupt Enable |
| 2 | 0h | RW | (RXWLen) RX-FIFO watermark Interrupt Enable |
| 1 | 0h | RW | (TXEen) TX-FIFO empty Interrupt Enable |
| 0 | 0h | RW | (TXFen) TX-FIFO full Interrupt Enable |