AR780 F3 has two hot-swapped expansion slots which can support LAN card, storage card, etc. Follow these instructions to install expansion cards.1. Press the tab to pull out the hot-swapped PCIE riser bracket. 2. Release the screw on the PCIE dummy bracket and open the iron bar to remove the PCIE cover shield. 3.Insert the PCI-E card in the direction of arrows as shown.
