Find the correct location for the Pegatron H81-X1 front panel I/O connector.
Find the correct location for the Pegatron H81-X1 front panel I/O connector.
According to the manual, the instructions are located at the bottom. On the X-1 position it doesn’t appear there. There’s no mention of risks from plugging in the power switch and trying it by trial and error. You’ll need to wait until tomorrow because the heatsink is still on delivery.
It seems your motherboard is an original equipment manufacturer (OEM) product, and the guidance you're seeing probably comes from a ready-made setup it was designed for. Knowing the specific system it came from would make it easier to figure out the right instructions.