Intel® Core™ Ultra 200V Series Processors SOC I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 831520 | 09/03/2024 | 001 | Public |
Secondary Flash Region Access Permissions (BIOS_SFRACC) – Offset b0
Secondary Flash Region Access Permissions
| 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. See section 'DLOCK -- Discrete Lock Bits' or a description of how this register is locked. |
| 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. See section 'DLOCK -- Discrete Lock Bits' or a description of how this register is locked. |
| 15:0 | 0h | RO | Reserved (RSVD)
|