Dell D24M Installation Manual page 11

c Slide the zoom card into the riser 1 slot 2 [1]. Close the riser 2 module release latch [2].
7 Holding the blue contact points align the module with the alignment pins on the chassis and insert the riser1 module into the slot.
8 Install the cover:
a Align the top cover tabs with the slots on the system chassis [1] and slide it into the slot.
NOTE: Ensure that all internal cables are routed correctly and connected before securing the top cover.
b The release latch automatically locks the top cover to the system.
Installing the Dell ultraspeed drive duo card 11