Intel Core

Cflags
See CFlags.

Kernel Setup
For all variants selects this options:

If you have a single core processor, add this:

If you have a dual core processor, add this:

If you're running your system in 32bit mode, add this:

Or if you're running 64bit mode, add this:

CPU Frequency Scaling
See the separate guide on CPU Frequency Scaling.

Hardware Sensors
The kernel has a driver for the temperature sensor inside the cpu called coretemp.

Rebuild your kernel and follow the Lm sensors guide.