Asus RS500A-S6/PS4 - Manual (Page 32)

Chapter 2: Hardware setup 2-14
To reinstall the riser card bracket:
1. Align the riser card bracket with the
cards to the PCI Express x16 slot
on the motherboard.
2. Press the riser card bracket until
the golden connectors completely
fit the slot and the bracket aligns
with the rear panel.
3. Connect the cable(s) to the card, if
applicable.