21EMB-3501 V1.0 Freescale i.MX6 Platform Motherboard3)Power ON/OFF Pins(Pin 5, Pin6 for POWER BUTTON)Connect these two pins to the bounce switch on the chassis to connect or disconnect the powersupply.2.4.13 MINI PCIe PortProvides 1x MINI PCIe slot, you are able to expand MINI PCIe device according to yourrequirement and status of WLAN card will be displayed according to the network when you usePCIe WLAN card.