Intel® Core™ Ultra Series 3 Processors I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872352 | 04/14/2026 | 001 | Public |
Immediate Command Status (ICS) – Offset 68
This register provides the status of the immediate command.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 15:2 | 0h | RO | Reserved (Zero) (RSVD15) SW must use zeros for writes. |
| 1 | 0h | RW/1C | Immediate Result Valid (IRV) This bit is set to a 1 by hardware when a new response is latched into the IR register. This is a status flag indicating that software may read the response from the Immediate Response register. |
| 0 | 0h | RW/V | Immediate Command Busy (ICB) When this bit as read as a 0, it indicates that a new command may be issued using the Immediate Command mechanism. |