12th Generation Intel® Core™ Processors Datasheet Volume 2 of 2
| ID | Date | Version | Classification |
|---|---|---|---|
| 767625 | 07/13/2023 | Public |
USB Legacy Support Control Status (USBLEGCTLSTS) – Offset 8470
USB Legacy Support Control Status
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31 | 0x0 | RW/1C | SMI on BAR (SMIBAR) SMI on BAR |
| 30 | 0x0 | RW/1C | SMI on PCI Command (SMIPCIC) SMI on PCI Command |
| 29 | 0x0 | RW/1C | SMI on OS Ownership Change (SMIOSOC) SMI on OS Ownership Change |
| 28:21 | 0x0 | RO | Rsvd4 (RSVD4) Reserved |
| 20 | 0x0 | RO | SMI on Host System Error (SMIHSE) SMI on Host System Error |
| 19:17 | 0x0 | RO | Rsvd3 (RSVD3) Reserved |
| 16 | 0x0 | RO | SMI on Event Interrupt (SMIEI) SMI on Event Interrupt |
| 15 | 0x0 | RW | SMI on BAR Enable (SMIBARE) SMI on BAR Enable |
| 14 | 0x0 | RW | SMI on PCI Command Enable (SMIPCICE) SMI on PCI Command Enable |
| 13 | 0x0 | RW | SMI on OS Ownership Enable (SMIOSOE) SMI on OS Ownership Enable |
| 12:5 | 0x0 | RO | Rsvd2 (RSVD2) Reserved |
| 4 | 0x0 | RW | SMI on Host System Error Enable (SMIHSEE) SMI on Host System Error Enable |
| 3:1 | 0x0 | RO | Rsvd1 (RSVD1) Reserved |
| 0 | 0x0 | RW | USB SMI Enable (USBSMIE) USB SMI Enable |