Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
ID | Date | Version | Classification |
---|---|---|---|
834576 | 10/10/2024 | 001 | Public |
Secondary Flash Region Access Permissions (BIOS_SFRACC) – Offset b0
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
31:24 | 0h | RW/L | Secondary BIOS Master Write Access Grant (SECONDARYBIOS_MWAG) Each bit [31:29] corresponds to Master[7:0]. BIOS can grant one or more masters write access to the Secondary BIOS region 6 overriding the permissions in the Flash Descriptor. Bits for unassigned masters are reserved. The contents of this register are locked by the FLOCKDN bit. |
23:16 | 0h | RW/L | Secondary BIOS Master Read Access Grant (SECONDARYBIOS_MRAG) Each bit [28:16] corresponds to Master[7:0]. BIOS can grant one or more masters read access to the Secondary BIOS region 6 overriding the read permissions in the Flash Descriptor. Bits for unassigned masters are reserved. The contents of this register are locked by the FLOCKDN bit. |
15:0 | 0h | RO | Reserved (RSVD) Reserved. |