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Contents
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Cisco UCS C420 Server Installation and Service Guide
OL-24342-01
Cisco Integrated Management Interface
3-1
Server Configuration Utility
3-1
Status LEDs and Buttons
3-2
Front-Panel LEDs
3-2
Rear-Panel LEDs and Buttons
3-4
Internal Diagnostic LEDs
3-7
Preparing for Server Component Installation
3-8
Required Equipment
3-8
Shutting Down and Powering Off the Server
3-8
Removing and Replacing the Server Top Cover
3-9
Replaceable Component Locations
3-10
Color-Coded Touch Points
3-11
Installing or Replacing Server Components
3-11
Replacing Hard Drives or Solid State Drives
3-12
Drive Population Guidelines
3-12
Drive Replacement Procedure
3-13
Replacing a Modular Drive Bay Assembly
3-14
Replacing Fan Modules
3-17
Replacing a Fan Tray
3-19
Replacing DIMMs
3-21
DIMM Performance Guidelines and Population Rules
3-21
DIMM Replacement Procedure
3-26
Replacing CPUs and Heatsinks
3-27
Additional CPU-Related Parts To Order With RMA Replacement Motherboards
3-27
CPU Replacement Procedure
3-28
Replacing the Motherboard RTC Battery
3-33
Replacing a PCIe Riser Assembly
3-35
Replacing an I/O Riser
3-37
Replacing a Cisco Flexible Flash Drive
3-39
Overview of the Preinstalled Cisco FlexFlash Drive
3-39
Enabling a Cisco FlexFlash Virtual Drive
3-39
Booting a Cisco FlexFlash Virtual Drive
3-40
Monitoring and Managing a Cisco FlexFlash Drive
3-41
Synchronizing RAID After Installing a Second Cisco FlexFlash Drive
3-41
Cisco FlexFlash Drive Replacement Procedure
3-41
Replacing a PCIe Card
3-43
PCIe Slots
3-43
PCIe Configuration Guide
3-44
Replacing a PCIe Card in a Riser Slot
3-44