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
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
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FAN 1 | DIMM L | DIMM G | PCle 7 |
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DIMM M | DIMM H |
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FAN 2 | CPU 3 | CPU 2 |
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| DIMM K | DIMM F | PCle 6 |
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FAN 3 | PCle 5 |
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DIMM J | DIMM E |
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| PCle 4 |
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| DIMM R | DIMM C |
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| PCle 3 | 1 | |||
FAN 4 |
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DIMM S | DIMM D | PCle 2 | |||
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FAN 5 | CPU 4 | CPU 1 |
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FAN 6 | DIMM P | DIMM B | PCle 2 |
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DIMM N | DIMM A |
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I/O riser in designated motherboard socket | 2 | I/O riser securing screw |
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| Cisco UCS C420 Server Installation and Service Guide |
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