Cisco Systems UCS C420 3-34

3-34

Cisco UCS C420 Server Installation and Service Guide

OL-27640-01

Chapter3 Maintainin g the Server

Installing or Replacing Server Components

Figure3-19 Removing and Replacing the Motherboard RTC Battery

1RTC battery socket on motherboard 2Retaining clip (enlarged view)The flat, positive (+) side of the battery faces the clip.

FAN 1

FAN 2

FAN 3

FAN 4

FAN 5

FAN 6

DIMM L

DIMM M

DIMM G

DIMM H

DIMM K

DIMM J

DIMM F

DIMM E

DIMM R DIMM C

DIMM S DIMM D

PCle 7

PCle 6

PCle 5

PCle 4

PCle 3

PCle 2

PCle 1

DIMM P DIMM B

DIMM N DIMM A

CPU 3 CPU 2

CPU 4 CPU 1

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Contents

Main Cisco UCS C420 Server Installation and Service Guide Page CONTENTS Page Page Page Preface Audience Organization Conventions ix x xi Page Page Page Overview of the Cisco UCS C420 Server 3 42 6 127 10 139 1 5 811 Page Page Installing the Server Unpacking and Inspecting the Server Preparing for Server Installation Installation Guidelines Rack Requirements Equipment Requirements Slide Rail Adjustment Range Installing the Server In a Rack Page Page Initial Server Setup Connecting and Powering On the Server (Standalone Mode) Page Page 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 Procedure 1: Reboot With recovery.cap File Procedure 2: Use BIOS Recovery DIP Switch and recovery.cap File Maintaining the Server Server Monitoring and Management Tools Cisco Integrated Management Interface Server Configuration Utility Status LEDs and Buttons Front-Panel LEDs Page Rear-Panel LEDs and Buttons 3 4 5 8 9 1 2 6 7 10 Page Page Internal Diagnostic LEDs 1 5 2 8 3 3 4 2 Preparing for Server Component Installation Required Equipment Shutting Down and Powering Off the Server Removing and Replacing the Server Top Cover Replaceable Component Locations 15 9 10 12 13 14 11 3 6 7 854 2 Installing or Replacing Server Components Replacing Hard Drives or Solid State Drives Drive Population Guidelines 1 2 Drive Replacement Procedure Replacing a Modular Drive Bay Assembly Page 3-16 1Transition card on chassis floor (shown with fan tray removed) 2 3Transition card connector to motherboard 2Transition card securing screws (2) 1 3 Replacing Fan Modules Page Replacing a Fan Tray Page Replacing DIMMs DIMM Performance Guidelines and Population Rules 3-22 DIMM Sockets Figure 3-13 shows the DIMM sockets on the motherboard. CPU 3 CPU 2 Front of Server CPU 4 CPU 1 DIMM Population Rules Page Memory Mirroring Mode Lockstep Channel Mode DIMM Replacement Procedure Identifying a Faulty DIMM Replacing DIMMs Replacing CPUs and Heatsinks Additional CPU-Related Parts To Order With RMA Replacement Motherboards CPU Replacement Procedure Page Page Page Page Replacing the Motherboard RTC Battery 3-34 Cisco UCS C420 Server Installation and Service Guide OL-27640-01 Chapter3 Maintainin g the Server Installing or Replacing Server Components Figure3-19 Removing and Replacing the Motherboard RTC Battery Replacing a PCIe Riser Assembly 3-36 Cisco UCS C420 Server Installation and Service Guide OL-27640-01 Chapter3 Maintainin g the Server Installing or Replacing Server Components Figure3-20 Removing and Replacing the PCIe Riser Assembly 1PCIe riser 1 (PCIe slot 7) 3PCI riser captive thumbscrews (two) 2PCIe riser 2 (PCIe slot 1) Replacing an I/O Riser Page Replacing an Internal SD Card Replacing a PCIe Card PCIe Slots PCIe Configuration Guide Replacing a PCIe Card in a Riser Slot 1 2 Replacing a PCIe Card in a Motherboard Slot Page Special Considerations for Cisco UCS Virtual Interface Cards Installing Multiple PCIe Cards and Resolving Limited Resources Resolving Insufficient Memory Space to Execute Option ROMs Resolving Insufficient 16-Bit I/O Space Page Replacing the Supercap Power Module (RAID Backup Unit) Page Installing a Trusted Platform Module Enabling the Intel Trusted Execution Technology Feature For the TPM Page Replacing Power Supplies 1 2 3 4 Enabling or Disabling the Internal USB Port Page A Server Specifications Physical Specifications Environmental Specifications Power Specifications B Power Cord Specifications Supported Power Cords and Plugs Page B-3 AC Power Cord Illustrations This section includes the AC power cord illustrations. See FigureB-1 through Figure B-15. B-4 B-5 B-6 B-7 Page C RAID Controller Considerations Supported RAID Controllers and Required Cables Supercap Power Modules (RAID Backup Units) Mixing Drive Types in RAID Groups Best Practices For Mixing Drive Types in RAID Groups RAID Controller Cabling Example 1One Nonexpander and One RAID Controller with Eight Drives 1 2 3 Example 2Two Nonexpanders and Two RAID Controllers with 16 Drives Example 3Two Expanders and One RAID Controller with Sixteen Drives 1 2 3 Restoring RAID Configuration After Replacing a RAID Controller For More Information Page Page D Installation for Cisco UCS Integration