Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
ID | Date | Version | Classification |
---|---|---|---|
834576 | 10/10/2024 | 001 | Public |
MSI-X Table Base Address (MXTBA) – Offset 10
This BAR is used to allocate 32K, 16K or 8K Memory space for the MSI-X Table. The Memory space size is determined by BIOS by making bit-14 and bit-13 Read-Only '1' or Read-Write '0' based on SATAGC.MSS[1:0].
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
31:15 | 0h | RW | Base Address (BA) Base address of memory space. |
14 | 0h | RW | Base Address Bit 14 (BAB14) When SATAGC.MSS[1:0]=00, this bit is Read Only '0' else it's Read Write '0'. |
13 | 0h | RW | Base Address Bit 13 (BAB13) When SATAGC.MSS[1:0]=00 or 01, this bit is Read Only '0' else it's Read Write '0'. |
12:4 | 0h | RO | RSVD0 (RSVD0) Reserved |
3 | 0h | RO | Prefetchable (PF) Indicates that this range is not pre-fetchable. |
2:1 | 0h | RO | Type (TP) Indicates that this range can be mapped anywhere in 32-bit address space. |
0 | 0h | RO | Resource Type Indicator (RTE) Indicates a request for Memory space. |