Built-in tables for Banias CPUs

configname: CONFIG_X86_SPEEDSTEP_CENTRINO_TABLE

Linux Kernel Configuration
└─>Power management and ACPI options
└─>CPU Frequency scaling
└─>Built-in tables for Banias CPUs
In linux kernel since version 2.6.12  
Use built-in tables for Banias CPUs if ACPI encoding
is not available.

If in doubt, say N.