Intel® Core™ Ultra 200V Series Processors SOC I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 831520 | 09/03/2024 | 001 | Public |
P2SB Control (P2SBC) – Offset e0
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31 | 0h | RW/O | SBI register Lock (SBILOCK) Once written, it will not be writeable until module reset. Write once (1 or 0) to lock the Lock Bit. |
| 30:9 | 0h | RO | Reserved |
| 8 | 0h | RW | Hide Device (HIDE) When this bit is set, the P2SB will return 1s on any PCI Configuration Read on IOSF-P. All other transactions including PCI Configuration Writes are unaffected by this. This does not affect reads performed on the IOSF-SB interface. |
| 7:3 | 0h | RO | Reserved |
| 2:0 | 7h | RW | Max Writes Pending (MAXW) This controls the max number of outstanding writes on IOSF-SB initiated by MMIO writes to the SBREG_BAR. |