Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
ID | Date | Version | Classification |
---|---|---|---|
615146 | 08/09/2019 | 1.2 | Public |
I/O Remap Source Configuration (IOBRSC) – Offset 320
This register is locked down and cannot be written when GCR.RCL bit is set to '1'.
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
31 | 0b | RW/L | Remap Enable (RE) When set to '1', remapping of this I/O BAR is enabled. When the bit is '0', remapping of this I/O BAR is disabled. |
30:18 | - | - | Reserved
|
17:4 | 00000000000100b | RO | Source BAR Offset (SBO) This field specifies the offset (DW increments) into Source I/O BAR (SIOB) where AHCI Index/Data pair registers are located. |
3:0 | 8h | RO | Source I/O BAR (SIOB) This field indicates the source I/O BAR that will be remapped by Cycle Router. The field represents an absolute offset (DW increments) into PCI configuration space BAR registers. |