Cisco Systems UCS C420 manual Status LEDs and Buttons, Front-Panel LEDs

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Chapter 3 Maintaining the Server

Status LEDs and Buttons

Status LEDs and Buttons

This section describes the location and meaning of LEDs and buttons and includes the following topics:

•Front-Panel LEDs, page 3-2

•Rear-Panel LEDs and Buttons, page 3-4

•Internal Diagnostic LEDs, page 3-7

Front-Panel LEDs

Figure 3-1shows the front-panel LEDs. Table 3-1 on page 3-3defines the front-panel LED states.

Figure 3-1 Front-Panel LEDs

1

2

HDD 1

DDH 2

DDH 3

HDD 4

DDH 5

HDD 6

DDH 7

HDD 8

DDH 9

HDD 10

DDH 11

HDD 12

HDD 13

DDH 14

HDD 15

DDH 16

6

8

3

4

5

7

9

334350

1	Hard drive fault LED	6	Fan status LED

2	Hard drive activity LED	7	Temperature status LED

3	Power button and Power status LED	8	Power supply status LED

4	Identification button and LED	9	Network link activity LED

5	System status LED

Cisco UCS C420 Server Installation and Service Guide

3-2	OL-27640-01

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Contents Cisco UCS C420 Server Installation and Service Guide Americas HeadquartersPage N T E N T S Special Considerations for Cisco UCS Virtual Interface Cards For More Information C-6 OL-24342-01 Audience OrganizationChapter Title Description Conventions Bewaar Deze InstructiesWarnung Wichtige Sicherheitshinweise Avvertenza Importanti Istruzioni Sulla SicurezzaAviso Instruções Importantes DE Segurança Guarde Estas Instrucciones GEM Disse Anvisninger Xii Xiii Related Documentation Documentation FeedbackOverview of the Cisco UCS C420 Server 2shows the rear panel features of the server 1lists the features of the server StandardCisco UCS C420 Server Features Installing the Server StatementServer Documentation Power cord up to two KVM cable Unpacking and Inspecting the ServerPreparing for Server Installation Installation GuidelinesSlide Rail Adjustment Range Rack RequirementsEquipment Requirements Installing the Server In a Rack This section describes how to install the server in a rackInserting the Server into the Slide Rails Attaching the Cable Management Arm Initial Server Setup Connecting and Powering On the Server Standalone ModeThis section includes the following topics Installing the Server Initial Server Setup OL-27640-01 NIC Modes and NIC Redundancy Settings System Bios and Cimc Firmware Updating the Bios and Cimc FirmwareAccessing the System Bios Service DIP Switch DIP Switch Location on the I/O RiserUsing the Bios Recovery DIP Switch If These Steps do not Recover the BiosInstalling the Server Service DIP Switch Server Configuration Utility Server Monitoring and Management ToolsCisco Integrated Management Interface Status LEDs and Buttons Front-Panel LEDsLED Name State Rear-Panel LEDs and Buttons Rear-Panel LEDs and ButtonsRear-Panel LED States LED Name State Internal Diagnostic LEDs LED Name StatePreparing for Server Component Installation Shutting Down and Powering Off the ServerRequired Equipment Removing and Replacing the Server Top Cover Release buttons Front cover panelReplaceable Component Locations See also -23 on page 3-40for detailsInstalling or Replacing Server Components Color-Coded Touch PointsReplacing Hard Drives or Solid State Drives Drive Population GuidelinesDrive Replacement Procedure Release button Drive tray securing screws Ejector leverReplacing a Modular Drive Bay Assembly Drive Bay Assembly and Transition Card Two VersionsOL-27640-01 Removing and Replacing the Drive-Bay Module Replacing Fan Modules FAN11 Removing and Replacing Fan Modules Replacing a Fan Tray 12 Removing and Replacing a Fan Tray Replacing DIMMs Dimm Performance Guidelines and Population RulesCPU 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 Figure14 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 SlotsRiser in designated motherboard socket Riser securing screw 22 Removing and Replacing an I/O RiserReplacing an Internal SD Card Replacing a PCIe Card PCIe SlotsSlot Number Lane Width Connector Length Electrical Card Length1NCSI3 Support Primary Slot Secondary Slot Alternate SlotsPCIe card socket on PCIe riser assembly Card retaining clip 24 PCIe Riser Assembly Side ViewReplacing a PCIe Card in a Motherboard Slot 25 Hinged PCIe Card Retainer on Rear of Chassis Server VICs Mode Firmware Integration Fabric Interconnect Minimum Firmware for Nexus OS on anSupported Cisco Card NIC Use With UCS Upstream NexusResolving 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 SuppliesEnabling or Disabling the Internal USB Port OL-27640-01 Physical Specifications Table A-1lists the physical specifications for the serverDescription Specification Environmental Specifications Power SpecificationsSupported Power Cords and Plugs Length Power Cord Description Feet MetersPower Cord, 250 VAC 10 a CEI 23-16 Plug Italy Power Cord, 250 VAC 10 a MP232 Plug SwitzerlandPower Cord, 250 VAC 13 a IEC60320 Plug North America Power Cord, 250 VAC 13 a Nema 6-15 Plug North AmericaAC Power Cord Illustrations CAB-9K10A-AUCAB-9K10A-EU CAB-9K10A-SW CAB-N5K6A-NA Figure B-13 CAB-C13-CBN, Jumper Power Cord 0.68 m OL-24342-01 Supported RAID Controllers and Required Cables Maximum Optional Required Cables1 Controller Style DrivesRAID Levels With expander3 Two controllers with two nonexpandersSupercap Power Modules RAID Backup Units Mixing Drive Types in RAID GroupsRAID Controller Cabling Mix of Drive Types RAID Group Allowed?334371 334646 334373 Foreign configurations found on adapter For More InformationPage OL-27640-01 Installation for Cisco UCS Integration OL-24342-01