Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
| ID | Date | Version | Classification |
|---|---|---|---|
| 615146 | 08/09/2019 | 1.2 | Public |
KT Memory BAR (KT_HOST_MEMBAR) – Offset 14
This is the IO space base address register.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:12 | 0_0000h | RW | Memory BAR (MEMBAR) Software programs this register with the base address of the device's memory region |
| 11:4 | 00h | RO | Memory Size (MEMSIZE) Hardwired to 0 to indicate 4KB of memory space |
| 3 | 0b | RO | Prefetchable (PREFETCH) A device can mark a range as prefetchable if there are no side effects on reads, |
| 2:1 | 00b | RO | Type (TYP) Hardwired to 0 to indicate that Base register is 32 bits wide and mapping can be |
| 0 | 0b | RO | Memory Space Indicator (MEMSPACE) Hardwired to 0 to identify a Memory BAR. |