Genuineintel---intel64-family-6-model-23: Acpi

processor id: 0 acpi id: 0 bus mastering control: yes power management: yes throttling control: yes limit interface: yes acpi genuineintel---intel64-family-6-model-23 As of 2026 , Penryn (model 23) is considered legacy/retro hardware.

| Component | Meaning | |-----------|---------| | acpi | Relates to ACPI firmware interface (power management, device enumeration) | | genuineintel | CPU vendor string (Intel) | | intel64 | 64-bit architecture (Intel 64 / x86-64) | | family-6 | Processor family 6 (Intel Core/i-series lineage) | | model-23 | Specific model number within family 6 | acpi genuineintel---intel64-family-6-model-23

cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies Typical output: 2000000 1867000 1600000 1333000 1067000 800000 (for a 2.0 GHz Penryn) When booting a kernel on a Penryn system, you'll see: processor id: 0 acpi id: 0 bus mastering

ACPI: SSDT 0x00000000BF6E1800 0001C4 (v01 INTEL CpuPm) ACPI: Local APIC address 0xfee00000 acpi_cpufreq: overriding BIOS provided _PSD data Intel(R) Core(TM)2 Duo CPU E8500 @ 3.16GHz stepping 0a ACPI: Core2 Duo (Penryn) detected The genuineintel---intel64-family-6-model-23 string might appear in: acpi genuineintel---intel64-family-6-model-23

cat /proc/acpi/processor/CPU0/info Output: