Installing Or Replacing Server Components - Cisco UCS C240 M4 Installation And Service Manual

Chapter 3 Maintaining the Server

Installing or Replacing Server Components

Blank faceplates and cover panels serve three important functions: they prevent exposure to
Warning
hazardous voltages and currents inside the chassis; they contain electromagnetic interference (EMI)
that might disrupt other equipment; and they direct the flow of cooling air through the chassis. Do not
operate the system unless all cards, faceplates, front covers, and rear covers are in place.
Statement 1029
Caution When handling server components, wear an ESD strap to avoid damage.
Tip You can press the Unit Identification button on the front panel or rear panel to turn on a flashing Unit
Identification LED on the front and rear panels of the server. This button allows you to locate the specific
server that you are servicing when you go to the opposite side of the rack. You can also activate these
LEDs remotely by using the Cisco IMC interface.See the
for locations of these LEDs.
This section describes how to install and replace server components, and it includes the following topics:
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OL-32474-01
Replaceable Component Locations, page 3-14
Replacing Hard Drives or Solid State Drives, page 3-15
Replacing Fan Modules, page 3-18
Replacing DIMMs, page 3-20
Replacing CPUs and Heatsinks, page 3-24
Replacing a SATA Interposer Board, page 3-29
Replacing a Cisco Modular RAID Controller Card, page 3-31
Replacing the Supercap Power Module (RAID Backup Battery), page 3-33
Replacing a Software RAID 5 Key Module, page 3-35
Replacing the Motherboard RTC Battery, page 3-37
Enabling or Disabling the Internal USB Port, page 3-40
Replacing a PCIe Riser, page 3-41
Replacing a PCIe Card, page 3-43
Installing an NVIDIA GPU Card, page 3-52
Replacing SATA Boot Drives, page 3-56
Installing a Trusted Platform Module, page 3-58
Replacing Power Supplies, page 3-61
Replacing an mLOM Card, page 3-64
Installing or Replacing Server Components
"Status LEDs and Buttons" section on page 3-2
Cisco UCS C240 M4 Server Installation and Service Guide
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