Intel® Core™ Ultra Processors for H-series and U-series Platforms SOC I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 795260 | 12/14/2023 | 001 | Public |
Extended Test Mode Register 3 (ETR3) – Offset 1048
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31 | 0h | RW/V/L | CF9h Lockdown (CF9LOCK) When set, this will lock the [quote]CF9h Global Reset[quote] bit. |
| 30:21 | 0h | RO | Reserved |
| 20 | 0h | RW/L | CF9h Global Reset (CF9GR) When this bit is set, a CF9h write of 6h or Eh will cause a Global Reset of both the Host and the ME partitions. If this bit is cleared, a CF9h write of 6h or Eh will only reset the Host partition. |
| 19:0 | 0h | RO | Reserved |