Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
ID | Date | Version | Classification |
---|---|---|---|
834576 | 10/10/2024 | 001 | 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 | 0h | RW | Memory BAR (MEMBAR) Software programs this register with the base address of the device's memory region |
11:4 | 0h | RO | Memory Size (MEMSIZE) Hardwired to 0 to indicate 4KB of memory space |
3 | 0h | RO | Prefetchable (PREFETCH) A device can mark a range as prefetchable if there are no side effects on reads, the device returns all bytes on reads regardless of the byte enables. |
2:1 | 0h | RO | Type (TYP) Hardwired to 0 to indicate that Base register is 32 bits wide and mapping can be done anywhere in the 32-bit Memory Space. |
0 | 0h | RO | Memory Space Indicator (MEMSPACE) Hardwired to 0 to identify a Memory BAR. |