Intel® Core™ Ultra 200V Series Processors CFG and MEM Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 831649 | 03/30/2026 | 001 | Public |
Device Enable (DEVEN_0_0_0_PCI) – Offset 54
Allows for enabling/disabling of PCI devices and functions that are within the CPU package. The table below the bit definitions describes the behavior of all combinations of transactions to devices controlled by this register. All the bits in this register are Intel TXT Lockable.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:15 | 0h | RO | Reserved |
| 14 | 1h | RW/L | VMD Enable (VMD_EN) VMD Enable - |
| 13 | 0h | RO | Reserved |
| 12 | 1h | RW/L | IAA Enable (IAA_EN) IAA - Device enable |
| 11 | 1h | RW/L | VPU Enable (VPU_EN) VPU - Device enable |
| 10 | 1h | RW/L | Crashlog Enable (CRASHLOG_EN) Crashlog Device enable |
| 9:6 | 0h | RO | Reserved |
| 5 | 1h | RW/L | IMGU Enable (IMGU_EN) IMGU enable |
| 4 | 1h | RW/L | Camarillo Enable (CD_EN) Camarillo Device enable |
| 3 | 0h | RO | Reserved |
| 2 | 1h | RW/L | Internal Graphics Enable (IG_EN) Internal Graphic - enable, Managed by BIOS. |
| 1 | 0h | RO | Reserved |
| 0 | 1h | RO | Root Complex Enable (ROOT_COMPLEX_EN) Bus 0 Device 0 Function 0 may not be disabled and is therefore hardwired to 1. |