Cisco Systems UCS C420 manual Riser in designated motherboard socket Riser securing screw

Chapter 3 Maintaining the Server

Installing or Replacing Server Components

Step 2 Install a new I/O riser:

a.Align the new I/O riser with its designated socket on the motherboard. See Figure 3-22.

Note You must install the I/O riser in its designated motherboard socket.

b.Push down evenly on both ends of the I/O riser until it is fully seated in its motherboard socket.

c.Ensure that the I/O riser rear panel tab sits flat against the chassis rear panel opening.

d.Install the single screw that secures the I/O riser to the chassis.

e.Replace the top cover.

f.Replace the server in the rack, replace cables, and then power on the server by pressing the Power button.

Figure 3-22 Removing and Replacing an I/O Riser

1

FAN 1	DIMM L	DIMM G	PCle 7
	DIMM M	DIMM H
FAN 2	CPU 3	CPU 2
	DIMM K	DIMM F	PCle 6
FAN 3			PCle 5
	DIMM J	DIMM E
			PCle 4
	DIMM R	DIMM C
			PCle 3	1
FAN 4
	DIMM S	DIMM D	PCle 2
				2
FAN 5	CPU 4	CPU 1
FAN 6	DIMM P	DIMM B	PCle 2
	DIMM N	DIMM A

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I/O riser in designated motherboard socket 2 I/O riser securing screw

	Cisco UCS C420 Server Installation and Service Guide
3-38	OL-27640-01