Replacing An Mlom Card - Cisco UCS C240 M4 Installation And Service Manual

Chapter 3 Maintaining the Server

Replacing an mLOM Card

The server can use an mLOM card to provide additional connectivity. The mLOM card socket remains
powered when the server is in 12 V standby power mode and it supports the network communications
services (NCSI) protocol.
Power off the server as described in
Step 1
Slide the server out the front of the rack far enough so that you can remove the top cover. You might have
Step 2
to detach cables from the rear panel to provide clearance.
Caution If you cannot safely view and access the component, remove the server from the rack.
Step 3 Remove the top cover as described in
Step 4 Remove PCIe riser 1 to provide clearance. See
Step 5 Remove any existing mLOM card or a blanking panel (see
a.
b.
Install a new mLOM card:
Step 6
a.
b.
c.
Return PCIe riser 1 to the server. See
Step 7
Replace the top cover.
Step 8
Replace the server in the rack, replace cables, and then power on the server by pressing the Power button.
Step 9
OL-32474-01
Loosen the single thumbscrew that secures the mLOM card to the chassis floor.
Slide the mLOM card horizontally to disengage its connector from the motherboard socket.
Set the mLOM card on the chassis floor so that its connector is aligned with the motherboard socket
and its thumbscrew is aligned with the standoff on the chassis floor.
Push the card's connector into the motherboard socket horizontally.
Tighten the thumbscrew to secure the card to the chassis floor.
Shutting Down and Powering Off the Server, page
Removing and Replacing the Server Top Cover, page
Replacing a PCIe Riser, page 3-47
Figure
Replacing a PCIe Riser, page 3-47
Cisco UCS C240 M4 Server Installation and Service Guide
Installing or Replacing Server Components
3-9.
for instructions.
3-33):
for instructions.
3-10.
3-69