Руководство Пользователя для ASUS RS520-E8-RS8 V2

Chapter 2: Hardware Information

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You can install a supported Mezzanine card on the onboard slot.
To install a Mezzanine card:

1.   Remove the slot bay from the Mezzanine 

card expansion slot.

3.   Match and insert the four (4) screw holes on the Mezzanine card into the four (4) stand 

screws on the chassis, then insert the Mezzanine card to the slot on the motherboard.

AUXLED_CON1

2.   Prepare your Mezannine card and the signal cable. Connect the signal transmission 

end (white) to the AUXLED_CON header on the card.