[ 0.000000] ACPI: GENUINEINTEL --- Intel64 Family 6 Model 58 [ 0.000000] Intel Ivy Bridge CPU detected [ 0.001234] acpi PNP0A08: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.567890] intel_idle: MWAIT substates: 0x2120
In simpler terms: . You are most likely to see this on older workstations running CentOS 7, RHEL 6/7, Debian 8/9, or Proxmox on a Supermicro X9-series motherboard. acpi genuineintel---intel64-family-6-model-58
: This specific hex code identifies the Ivy Bridge lineup. These were the first chips to use the 22nm manufacturing process and "3D" Tri-Gate transistors. Common Contexts These were the first chips to use the
/ 3770K: A powerful 4-core, 8-thread desktop processor frequently used in high-end builds. Core i5-3570 Go to product viewer dialog for this item. / 3470: Standard 4-core desktop processors. Core i5-3230M Go to product viewer dialog for this item. : A common mobile (laptop) version of this architecture. Why This Identifier Appears / 3470: Standard 4-core desktop processors
| Field | Value | |-------|-------| | Decimal | 58 | | Hexadecimal | 0x3A | | Extended Model (bits 19:16) | 0x0 | | Model (bits 7:4) | 0x3 | | Stepping ID (bits 3:0) | varies (0x2, 0x9, etc.) |
The ACPI _PSS object returns a table of supported P-states (frequency/voltage pairs). For Intel CPUs, the OS may supplement or override these with its own driver (e.g., intel_pstate ), but the ACPI values serve as a fallback.