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?
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?