Intel® Core™ Ultra 200V Series Processors CFG and MEM Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 831649 | 03/30/2026 | 001 | Public |
Thermal Controller Base Address (TMBAR_0_4_0_PCI) – Offset 10
This is the base address for the Thermal Controller Memory Mapped space.
There is no physical memory within this 32KB window that can be addressed.
The 32KB reserved by this register does not alias to any PCI 2.2 compliant memory mapped space.
All TMBAR space maps the access to this memory space towards MCHBAR space.
For details of this BAR, refer to the MCHBAR specifications.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 63:43 | 0h | RO | Reserved |
| 42:17 | 0h | RW | (TMBA) This field corresponds to bits 41 to 16 of the base address TMBAR address space. Programmed by BIOS. |
| 16:4 | 0h | RO | Address Mask (ADM) Address Mask. Hardwired to '0 to indicate at least 128KB address range. |
| 3 | 0h | RO | Prefetchable Memory (PM) Value of 0 indicates the BAR cannot be prefetched. |
| 2:1 | 2h | RO | Memory Type (MT) Value of 0x2 indicates that the BAR is located in system memory space (i.e. 64-bit addressing). |
| 0 | 0h | RO | Memory I/O Space (MIOS) Value of 0 indicates the BAR is located in memory space. |