Cisco Systems
UCS C420
manual
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Specification
Install
Server Configuration Utility
Drive Replacement Procedure
Internal Diagnostic LEDs
Accessing the System Bios
Initial Server Setup
System Bios and Cimc Firmware
Slide Rail Adjustment Range
Replacing Power Supplies
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Cisco UCS C420 Server Installation and Service Guide
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Contents
Cisco UCS C420 Server Installation and Service Guide
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N T E N T S
Special Considerations for Cisco UCS Virtual Interface Cards
For More Information C-6
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Audience
Organization
Chapter Title Description
Conventions
Bewaar Deze Instructies
Warnung Wichtige Sicherheitshinweise
Avvertenza Importanti Istruzioni Sulla Sicurezza
Aviso Instruções Importantes DE Segurança
Guarde Estas Instrucciones
GEM Disse Anvisninger
Xii
Xiii
Related Documentation
Documentation Feedback
Overview of the Cisco UCS C420 Server
2shows the rear panel features of the server
1lists the features of the server
Standard
Cisco UCS C420 Server Features
Installing the Server
Statement
Server Documentation Power cord up to two KVM cable
Unpacking and Inspecting the Server
Preparing for Server Installation
Installation Guidelines
Slide Rail Adjustment Range
Rack Requirements
Equipment Requirements
Installing the Server In a Rack
This section describes how to install the server in a rack
Inserting the Server into the Slide Rails
Attaching the Cable Management Arm
Initial Server Setup
Connecting and Powering On the Server Standalone Mode
This section includes the following topics
Installing the Server Initial Server Setup
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NIC Modes and NIC Redundancy Settings
System Bios and Cimc Firmware
Updating the Bios and Cimc Firmware
Accessing the System Bios
Service DIP Switch
DIP Switch Location on the I/O Riser
Using the Bios Recovery DIP Switch
If These Steps do not Recover the Bios
Installing the Server Service DIP Switch
Server Configuration Utility
Server Monitoring and Management Tools
Cisco Integrated Management Interface
Status LEDs and Buttons
Front-Panel LEDs
LED Name State
Rear-Panel LEDs and Buttons
Rear-Panel LEDs and Buttons
Rear-Panel LED States
LED Name State
Internal Diagnostic LEDs
LED Name State
Preparing for Server Component Installation
Shutting Down and Powering Off the Server
Required Equipment
Removing and Replacing the Server Top Cover
Release buttons Front cover panel
Replaceable Component Locations
See also -23 on page 3-40for details
Installing or Replacing Server Components
Color-Coded Touch Points
Replacing Hard Drives or Solid State Drives
Drive Population Guidelines
Drive Replacement Procedure
Release button Drive tray securing screws Ejector lever
Replacing a Modular Drive Bay Assembly
Drive Bay Assembly and Transition Card Two Versions
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Removing and Replacing the Drive-Bay Module
Replacing Fan Modules
FAN
11 Removing and Replacing Fan Modules
Replacing a Fan Tray
12 Removing and Replacing a Fan Tray
Replacing DIMMs
Dimm Performance Guidelines and Population Rules
CPU
Socket Color
Black
# of DIMMs
Memory Mirroring Mode
Dimm Replacement Procedure
Replacing CPUs and Heatsinks
CPU Replacement Procedure
Open the hinged CPU cover plate. See Figure
14 CPU Retaining Latches
16 Removing or Inserting a CPU
Icon. See -14 on
18 Thermal Grease Application Pattern
Replacing the Motherboard RTC Battery
19 Removing and Replacing the Motherboard RTC Battery
Replacing a PCIe Riser Assembly
20 Removing and Replacing the PCIe Riser Assembly
Replacing an I/O Riser
21 I/O Riser, Including SD Card Slots
Riser in designated motherboard socket Riser securing screw
22 Removing and Replacing an I/O Riser
Replacing an Internal SD Card
Replacing a PCIe Card
PCIe Slots
NCSI3 Support
Slot Number Lane Width Connector Length
Electrical Card Length1
Primary Slot Secondary Slot Alternate Slots
PCIe card socket on PCIe riser assembly Card retaining clip
24 PCIe Riser Assembly Side View
Replacing a PCIe Card in a Motherboard Slot
25 Hinged PCIe Card Retainer on Rear of Chassis
Supported Cisco Card NIC
Server VICs Mode Firmware Integration Fabric Interconnect
Minimum Firmware for Nexus OS on an
Use With UCS Upstream Nexus
Resolving Insufficient Memory Space to Execute Option ROMs
Resolving Insufficient 16-Bit I/O Space
27 vNIC Properties Dialog
Replacing the Supercap Power Module RAID Backup Unit
28 Removing the Scpm
Installing a Trusted Platform Module
29 TPM Socket Location on Motherboard
Set TXT Support to Enabled
Replacing Power Supplies
30 Removing and Replacing Power Supplies
Enabling or Disabling the Internal USB Port
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Physical Specifications
Table A-1lists the physical specifications for the server
Description Specification
Environmental Specifications
Power Specifications
Supported Power Cords and Plugs
Length Power Cord Description Feet Meters
Power Cord, 250 VAC 13 a IEC60320 Plug North America
Power Cord, 250 VAC 10 a CEI 23-16 Plug Italy
Power Cord, 250 VAC 10 a MP232 Plug Switzerland
Power Cord, 250 VAC 13 a Nema 6-15 Plug North America
AC Power Cord Illustrations
CAB-9K10A-AU
CAB-9K10A-EU
CAB-9K10A-SW
CAB-N5K6A-NA
Figure B-13 CAB-C13-CBN, Jumper Power Cord 0.68 m
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RAID Levels
Supported RAID Controllers and Required Cables
Maximum Optional Required Cables1 Controller Style Drives
With expander3 Two controllers with two nonexpanders
RAID Controller Cabling
Supercap Power Modules RAID Backup Units
Mixing Drive Types in RAID Groups
Mix of Drive Types RAID Group Allowed?
334371
334646
334373
Foreign configurations found on adapter
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Installation for Cisco UCS Integration
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