ECS H87H3-M4 User Manual page 21

Follow these instructions to install an add-on card:
1 Remove a blanking plate from the system case corresponding to the slot
you are going to use.
2 Install the edge connector of the add-on card into the expansion slot.
Ensure that the edge connector is correctly seated in the slot.
3 Secure the metal bracket of the card to the system case with a screw.
For some add-on cards, for example graphics adapters and network
adapters, you have to install drivers and software before you can begin using
the add-on card.
Please refer the following illustrations to install the add-on card:
Install the LAN Card in the PCIE X1 slot
H87H3-M4 USER MANUAL
Install the VGA Card in the PCIE X16 slot
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