See also Replacing a SATA Interposer Card , on page 70.
• The NVMe-optimized, SFF 10-drive version, UCSC-220-M5SN, supports NVMe drives only and so
does not use SAS or SATA RAID. This version of the server comes with an NVMe-switch card
factory-installed in the internal mRAID riser to support NVMe drives in front-loading bays 3 - 10. The
NVMe switch card is not orderable separately.
Step 1 Prepare the server for component installation:
a) Shut down and remove power from the server as described in Shutting Down and Removing Power From the Server,
on page 7.
b) Slide the server out the front of the rack far enough so that you can remove the top cover. You might have to detach
cables from the rear panel to provide clearance.
If you cannot safely view and access the component, remove the server from the rack.
Caution
c) Remove the top cover from the server as described in Removing the Server Top Cover, on page 9.
Step 2 Remove the existing mRAID riser:
a) Using both hands, grasp the external blue handle on the rear of the riser and the blue finger-grip on the front end of
the riser.
b) Lift the riser straight up to disengage it from the motherboard socket.
c) Set the riser upside down on an antistatic surface.
d) Remove any card from the riser. Open the blue card-ejector lever that is on the edge of the card and then pull the card
straight out from its socket on the riser.
Step 3 Install a new mRAID riser:
a) Install your card into the new riser. Close the card-ejector lever on the card to lock it into the riser.
b) Connect cables to the installed card.
c) Align the riser with the socket on the motherboard. At the same time, align the two slots on the back side of the
bracket with the two pegs on the inner chassis wall.
d) Push down gently to engage the riser with the motherboard socket. The metal riser bracket must also engage the two
pegs that secure it to the chassis wall.
Step 4 Replace the top cover to the server.
Step 5 Replace the server in the rack, replace cables, and then fully power on the server by pressing the Power button.
Maintaining the Server
62
Maintaining the Server
Replacing an mRAID Riser (Riser 3)
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