First post, by smtkr
I've been looking at slotkets and a common feature of them is a jumper set (or dip-switch set) that is configured for a specific voltage setting. One of the settings is typically auto. This is probably common knowledge, but how does the auto setting work?
Is it
1. The motherboard polls the CPU for a voltage. The CPU returns the voltage it is configured for. The motherboard supplies that voltage.
2. The motherboard has a lookup table for known CPUIDs and, after identifying the CPU, supplies the voltage from it's lookup table.
3. Somthing else?