MSI MS-9246 - Manual (Page 35)

2-11
System Hardware
4. Install the second PCI expansion card
if necessary.
5. Place the riser card bracket on top of the PCI slots on the motherboard. Align the
riser card golden fingers with the PCI slots. Then aim the front end of the riser card
bracket at the standoff guide and align the rear part of the bracket with the U-shaped
cuts on the chassis.
6. Push the riser card bracket carefully
down with even force on both sides.