Cisco UCS C420 Server Installation and Service Guide Covers Server Generation M3 March 03, 2014 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.
THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS.
CONTENTS Preface vii Audience vii Organization vii Conventions viii Related Documentation xiv Documentation Feedback xiv Obtaining Documentation and Submitting a Service Request xiv xiv CHAPTER 1 Overview of the Cisco UCS C420 Server CHAPTER 2 Installing the Server 1-1 2-1 Unpacking and Inspecting the Server 2-2 Preparing for Server Installation 2-3 Installation Guidelines 2-3 Rack Requirements 2-4 Equipment Requirements 2-4 Slide Rail Adjustment Range 2-4 Installing the Server In a
Contents Cisco Integrated Management Interface Server Configuration Utility 3-1 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
Contents Replacing Power Supplies 3-54 Enabling or Disabling the Internal USB Port APPENDIX A Server Specifications A-1 Physical Specifications A-1 Environmental Specifications Power Specifications APPENDIX B 3-55 A-2 A-2 Power Cord Specifications B-1 Supported Power Cords and Plugs B-1 AC Power Cord Illustrations B-3 APPENDIX C RAID Controller Considerations C-1 Supported RAID Controllers and Required Cables Supercap Power Modules (RAID Backup Units) Mixing Drive Types in RAID Groups
Contents Cisco UCS C420 Server Installation and Service Guide vi OL-24342-01
Preface This preface describes the audience, organization, and conventions of the Cisco UCS C420 Server Installation and Service Guide. It also provides information about how to obtain related documentation. Audience This guide is for experienced network administrators who configure and maintain Cisco servers.
Preface Conventions This document uses the following conventions for notes, cautions, and safety warnings. Notes and cautions contain important information that you should know. Note Means reader take note. Notes contain helpful suggestions or references to material that are not covered in the publication. Caution Means reader be careful. Cautions contain information about something you might do that could result in equipment damage or loss of data.
Preface Attention IMPORTANTES INFORMATIONS DE SÉCURITÉ Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvant entraîner des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez conscient des dangers liés aux circuits électriques et familiarisez-vous avec les procédures couramment utilisées pour éviter les accidents.
Preface ¡Advertencia! INSTRUCCIONES IMPORTANTES DE SEGURIDAD Este símbolo de aviso indica peligro. Existe riesgo para su integridad física. Antes de manipular cualquier equipo, considere los riesgos de la corriente eléctrica y familiarícese con los procedimientos estándar de prevención de accidentes. Al final de cada advertencia encontrará el número que le ayudará a encontrar el texto traducido en el apartado de traducciones que acompaña a este dispositivo.
Preface Aviso INSTRUÇÕES IMPORTANTES DE SEGURANÇA Este símbolo de aviso significa perigo. Você se encontra em uma situação em que há risco de lesões corporais. Antes de trabalhar com qualquer equipamento, esteja ciente dos riscos que envolvem os circuitos elétricos e familiarize-se com as práticas padrão de prevenção de acidentes. Use o número da declaração fornecido ao final de cada aviso para localizar sua tradução nos avisos de segurança traduzidos que acompanham o dispositivo.
Preface Cisco UCS C420 Server Installation and Service Guide xii OL-27640-01
Preface Cisco UCS C420 Server Installation and Service Guide OL-27640-01 xiii
Preface Related Documentation The documentation set for the Cisco Unified Computing System (UCS) C-Series rack-mount servers is described in the roadmap document at the following link: Cisco UCS C-Series Documentation Roadmap Documentation Feedback To provide technical feedback on this document, or to report an error or omission, please send your comments to ucs-docfeedback@external.cisco.com. We appreciate your feedback.
CH A P T E R 1 Overview of the Cisco UCS C420 Server This chapter provides an overview of the Cisco UCS C420 server. The figures in this chapter show an overview of external server features. Internal server features are shown in Figure 3-5 on page 3-10. Figure 1-1 shows the front panel features of the server.
Chapter 1 Overview of the Cisco UCS C420 Server Figure 1-2 shows the rear panel features of the server.
Chapter 1 Overview of the Cisco UCS C420 Server Table 1-1 lists the features of the server. . Table 1-1 Cisco UCS C420 Server Features Chassis Two rack-unit (2RU) chassis. Processors Two or four Intel Xeon E5-4600 Series processors. Memory The server has 48 DIMM sockets on the motherboard. Each of the four CPUs can support 12 DIMMs. Multi-bit error protection This server supports multi-bit error protection.
Chapter 1 Table 1-1 Overview of the Cisco UCS C420 Server Cisco UCS C420 Server Features (continued) Baseboard management Pilot III BMC, running Cisco Integrated Management Controller (CIMC) firmware. Video Resolution up to 1600 x1200, 16 bpp at 60 Hz. Up to 256 MB of video memory. Depending on your CIMC settings, the CIMC can be accessed through the 10/100/1000 dedicated management ports, the 1-Gb LOM ports, or a Cisco virtual interface card. 1. SAS = serial attached SCSI 2.
CH A P T E R 2 Installing the Server This chapter describes how to install the server, and it includes the following sections: Note Warning • Unpacking and Inspecting the Server, page 2-2 • Preparing for Server Installation, page 2-3 • Installing the Server In a Rack, page 2-5 • Initial Server Setup, page 2-8 • System BIOS and CIMC Firmware, page 2-12 • Service DIP Switch, page 2-14 Before you install, operate, or service a server, review the Regulatory Compliance and Safety Information for
Chapter 2 Installing the Server Unpacking and Inspecting the Server Unpacking and Inspecting the Server Caution When handling internal server components, wear an ESD strap and handle modules by the carrier edges only. Tip Keep the shipping container in case the server requires shipping in the future. Note The chassis is thoroughly inspected before shipment. If any damage occurred during transportation or any items are missing, contact your customer service representative immediately.
Chapter 2 Installing the Server Preparing for Server Installation Preparing for Server Installation This section provides information about preparing for server installation, and it includes the following topics: • Installation Guidelines, page 2-3 • Rack Requirements, page 2-4 • Equipment Requirements, page 2-4 • Slide Rail Adjustment Range, page 2-4 Installation Guidelines Warning To prevent the system from overheating, do not operate it in an area that exceeds the maximum recommended ambient t
Chapter 2 Installing the Server Preparing for Server Installation Rack Requirements This section provides the requirements for the standard open racks, assuming an external ambient air temperature range of 41° F to 95° F (5° C to 35° C). The rack must be of the following type: • A standard 19-in. (48.3-cm) wide, four-post EIA rack, with mounting posts that conform to English universal hole spacing, per section 1 of ANSI/EIA-310-D-1992. • The rack post holes can be square 0.38-inch (9.6 mm), round 0.
Chapter 2 Installing the Server Installing the Server In a Rack Installing the Server In a Rack This section describes how to install the server in a rack. Warning To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to ensure that the system remains stable. The following guidelines are provided to ensure your safety: This unit should be mounted at the bottom of the rack if it is the only unit in the rack.
Chapter 2 Installing the Server Installing the Server In a Rack d. Step 2 Caution Pull the inner slide rails on each assembly out toward the rack front until they hit the internal stops and lock in place. Insert the server into the slide rails (see Figure 2-3): This server weighs approximately 86 pounds (39 kilograms) when fully loaded with components. We recommend that you use a minimum of two people when lifting the server.
Chapter 2 Installing the Server Installing the Server In a Rack c. Push the CMA tab that is labeled INNER RAIL over the end of the inner rail that is attached to the server, and then release the spring-loaded peg. The peg must align with and enter the hole in the mounting bracket to lock the CMA in place.
Chapter 2 Installing the Server Initial Server Setup Initial Server Setup This section includes the following topics: • Connecting and Powering On the Server (Standalone Mode), page 2-8 • NIC Modes and NIC Redundancy Settings, page 2-11 Connecting and Powering On the Server (Standalone Mode) This section describes how to power on the server, assign an IP address, and connect to server management when using the server in standalone mode.
Chapter 2 Installing the Server Initial Server Setup Step 4 Set NIC mode and NIC redundancy, and choose whether to enable DHCP or set static network settings: a. Press the Power button to boot the server. Watch for the prompt to press F8. b. During bootup, press F8 when prompted to open the BIOS CIMC Configuration Utility. c.
Chapter 2 Installing the Server Initial Server Setup Note Step 5 If you chose to enable DHCP, the dynamically assigned IP and MAC addresses are displayed on the console screen during bootup. Use a browser and the IP address of the CIMC to connect to the CIMC Setup Utility. The IP address is based upon the settings that you made in Step 4 (either a static address or the address assigned by your DHCP server). Note The default user name for the server is admin. The default password is password.
Chapter 2 Installing the Server Initial Server Setup NIC Modes and NIC Redundancy Settings This server has the following NIC mode settings that you can choose from: • Note Shared LOM EXT (default)—This is shared LOM extended mode. This is the factory default setting, along with Active-active NIC redundancy and DHCP-enabled. With this mode, the shared LOM and Cisco Card interfaces are both enabled. In this mode, DHCP replies are returned to both the shared LOM ports and the Cisco card ports.
Chapter 2 Installing the Server System BIOS and CIMC Firmware System BIOS and CIMC Firmware This section includes information about the system BIOS and it includes the following topics: • Updating the BIOS and CIMC Firmware, page 2-12 • Accessing the System BIOS, page 2-13 Updating the BIOS and CIMC Firmware Caution When you upgrade the BIOS firmware, you must also upgrade the CIMC firmware to the same version or the server does not boot.
Chapter 2 Installing the Server System BIOS and CIMC Firmware Accessing the System BIOS To change the BIOS settings for your server, follow these steps. Detailed instructions are also printed on the BIOS screens. Step 1 Enter the BIOS setup utility by pressing the F2 key when prompted during bootup. Note The version and build of the current BIOS are displayed on the Main page of the utility. Step 2 Use the arrow keys to select the BIOS menu page.
Chapter 2 Installing the Server Service DIP Switch Service DIP Switch This server includes a DIP switch on the I/O riser that you can use to recover from a corrupted BIOS. This section includes the following topics: • DIP Switch Location on the I/O Riser, page 2-14 • Using the BIOS Recovery DIP Switch, page 2-15 DIP Switch Location on the I/O Riser The block of DIP switches is located on the I/O riser (see Figure 2-5). The default position for all switches is open (down).
Chapter 2 Installing the Server Service DIP Switch Using the BIOS Recovery DIP Switch Depending on which stage the BIOS becomes corrupted, you might see different behavior. • If the BIOS BootBlock is corrupted, you might see the system get stuck on the following message: Initializing and configuring memory/hardware • If it is a non-BootBlock corruption, the following message is displayed: ****BIOS FLASH IMAGE CORRUPTED**** Flash a valid BIOS capsule file using CIMC WebGUI or CLI interface.
Chapter 2 Installing the Server Service DIP Switch Procedure 2: Use BIOS Recovery DIP Switch and recovery.cap File Step 1 Download the BIOS update package and extract it to a temporary location. Step 2 Copy the contents of the extracted recovery folder to the root directory a USB thumb drive. The recovery folder contains the recovery.cap file that is required in this procedure. Note The recovery.cap file must be in the root directory of the USB thumb drive. Do not rename this file.
CH A P T E R 3 Maintaining the Server This chapter describes how to diagnose server system problems using LEDs.
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 3-1 shows the front-panel LEDs. Table 3-1 on page 3-3 defines the front-panel LED states.
Chapter 3 Maintaining the Server Status LEDs and Buttons Table 3-1 Front-Panel LEDs States LED Name Hard drive activity Hard drive fault Power button/Power status LED Identification System status State • Off—There is no hard drive in the hard drive tray (no access, no fault). • Green—The hard drive is ready. • Green, blinking—The hard drive is reading or writing data. • Off—The hard drive is operating properly. • Amber—This hard drive has failed.
Chapter 3 Maintaining the Server Status LEDs and Buttons Table 3-1 Front-Panel LEDs States (continued) LED Name State Power supply status Network link activity • Green—All power supplies are operating normally. • Amber, steady—One or more power supplies are in a degraded operational state. • Amber, blinking—One or more power supplies are in a critical fault state. • Off—The Ethernet link is idle. • Green—One or more Ethernet LOM ports are link-active.
Chapter 3 Maintaining the Server Status LEDs and Buttons Table 3-2 Rear-Panel LED States LED Name Power supply status Power supply fault 10/100/1000 Ethernet link speed 10/100/1000 Ethernet link status System status State • Green, steady—The power supply is operating normally and supplying AC power to the server. • Green, blinking—The power supply is off and in cold-redundancy mode. • Off—The power supply is operating normally.
Chapter 3 Maintaining the Server Status LEDs and Buttons Table 3-2 Rear-Panel LED States (continued) LED Name State 1-Gb Ethernet link status Identification • Off—No link is present. • Green—Link is active. • Green, blinking—Traffic is present on the active link. • Off—The identification LED is not in use. • Blue—The identification LED is activated.
Chapter 3 Maintaining the Server Status LEDs and Buttons Internal Diagnostic LEDs The server is equipped with a supercap voltage source that can activate internal component fault LEDs up to 30 minutes after AC power is removed. The server has internal fault LEDs for fan modules, CPU sockets, DIMM sockets, the motherboard RTC battery, PCIe sockets, TPM socket, I/O riser socket, and SD cards.
Chapter 3 Maintaining the Server Preparing for Server Component Installation Preparing for Server Component Installation This section describes how to prepare for component installation, and it includes the following topics: • Required Equipment, page 3-8 • Shutting Down and Powering Off the Server, page 3-8 • Removing and Replacing the Server Top Cover, page 3-9 • Replaceable Component Locations, page 3-10 • Color-Coded Touch Points, page 3-11 Required Equipment The following equipment is used
Chapter 3 Maintaining the Server Preparing for Server Component Installation Removing and Replacing the Server Top Cover To remove or replace the top cover of the server, follow these steps: Tip Step 1 Step 2 You do not have to remove the cover to replace hard drives or power supplies. Remove the top cover: a. Simultaneously press the two release buttons. See Figure 3-4. b. Push the top cover toward the server rear about one-half inch (1.27 cm), until it stops. c.
Chapter 3 Maintaining the Server Preparing for Server Component Installation Replaceable Component Locations This section shows the locations of the components that are discussed in this chapter. The view in Figure 3-5 is from the top down with the top cover removed.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Color-Coded Touch Points This server has color-coded touch points that indicate thumbscrews and latches on replaceable and hot-swappable components. • Hot-swappable components have green plastic touch points, which include the internal cooling fans and the power supplies. (Exceptions are the drive trays on the front panel, which are hot-swappable but not green).
Chapter 3 Maintaining the Server Installing or Replacing Server Components Replacing Hard Drives or Solid State Drives This section includes the following topics: • Drive Population Guidelines, page 3-12 • Drive Replacement Procedure, page 3-13 Drive Population Guidelines The server can operate with one or two drive bay modules. Each drive bay module can hold up to eight 2.5-inch drives for a total of 16 drives. Figure 3-6 shows the drive bay modules and the drive bay numbering.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Drive Replacement Procedure To replace or install a hot-pluggable hard drive, follow these steps: Tip Step 1 Step 2 You do not have to shut down or power off the server to replace hard drives or solid state drives (SSDs) because they are hot-pluggable. Remove the drive that you are replacing or remove a blank panel from an empty bay: a. Press the release button on the face of the drive tray. See Figure 3-7. b.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Replacing a Modular Drive Bay Assembly The server allows modular configuration of the drive bays, so that you can use one or two drive bays depending on your needs. Each drive bay assembly includes the chassis-steel drive bay, the attached drive backplane, and a transition card (expander or nonexpander version) that provides a connection to your RAID controllers and the motherboard.
Chapter 3 Maintaining the Server Installing or Replacing Server Components To install or replace the modular drive bay assembly, follow these steps: Step 1 Caution Remove the assembly that you are replacing. See Figure 3-8 and Figure 3-9: a. Power off the server as described in Shutting Down and Powering Off the Server, page 3-8. b. Slide the server out the front of the rack far enough so that you can remove the top cover. You might have to detach cables from the rear panel to provide clearance.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Removing and Replacing the Drive-Bay Module 1 3 DIMM L DIMM G DIMM M DIMM H 2 CPU 3 CPU 2 DIMM K DIMM F DIMM J DIMM E DIMM R DIMM C DIMM S DIMM D CPU 4 DIMM B DIMM N DIMM A Transition card on chassis floor (shown with fan tray removed) 2 Transition card securing screws (2) PCle 6 PCle 5 PCle 4 PCle 3 PCle 2 CPU 1 DIMM P 1 PCle 7 3 PCle 1 334355 Figure 3-9 Transition card connector to motherboard C
Chapter 3 Maintaining the Server Installing or Replacing Server Components Replacing Fan Modules The six fan modules in the server are numbered as shown in Figure 3-10 when you are facing the front of the server. Figure 3-10 FAN 1 Fan Module Numbering FAN 2 FAN 3 FAN 4 FAN 5 FAN 6 Front of Server Tip Each fan module has a fault LED that lights amber if the fan module fails.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Figure 3-11 Removing and Replacing Fan Modules 2 334357 1 3 1 Fan tray 2 Fan module release latches 3 Connector location on underside of fan module Cisco UCS C420 Server Installation and Service Guide 3-18 OL-27640-01
Chapter 3 Maintaining the Server Installing or Replacing Server Components Replacing a Fan Tray To replace a fan tray, follow these steps: Step 1 Caution Step 2 Remove the fan tray (see Figure 3-12): a. Power off the server as described in Shutting Down and Powering Off the Server, page 3-8. b. Slide the server out the front of the rack far enough so that you can remove the top cover. You might have to detach cables from the rear panel to provide clearance.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Figure 3-12 Removing and Replacing a Fan Tray 1 334358 3 2 1 Captive thumbscrews (3) 2 Guide pegs (2 on each end of fan tray) 3 Motherboard connector location Cisco UCS C420 Server Installation and Service Guide 3-20 OL-27640-01
Chapter 3 Maintaining the Server Installing or Replacing Server Components Replacing DIMMs This section includes the following topics: • DIMM Performance Guidelines and Population Rules, page 3-21 • DIMM Replacement Procedure, page 3-26 Caution DIMMs and their sockets are fragile and must be handled with care to avoid damage during installation. Caution Cisco does not support third-party DIMMs. Using non-Cisco DIMMs in the server might result in system problems or damage to the motherboard.
Chapter 3 Maintaining the Server Installing or Replacing Server Components DIMM Sockets Figure 3-13 shows the DIMM sockets on the motherboard. • Each CPU supports four DDR3 memory channels. • Channels are labeled with letters as shown in Figure 3-13. • Each channel has three DIMM sockets. The blue socket in a channel is always socket 1.
Chapter 3 Maintaining the Server Installing or Replacing Server Components DIMM Population Rules Observe the following guidelines when installing or replacing DIMMs (see Figure 3-13): • The minimum configuration is one DIMM installed in any of CPU1’s blue sockets (A1, B1, C1, D1). • When populating a channel, fill the blue socket first, and then fill the black sockets (1, 2, 3). • The server supports one, two, or three DIMMs per channel for single- or dual-rank DIMMs.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Table 3-5 DIMM Population For 4-CPU System Optimum Performance # of DIMMs Installed CPU DIMM Socket Color # of DIMMs Installed CPU DIMM Socket Color First: 1 CPU1 C1 Blue 25 CPU1 B2 Black 2 CPU2 E1 Blue 26 CPU2 H2 Black 3 CPU3 J1 Blue 27 CPU3 M2 Black 4 CPU4 R1 Blue 28 CPU4 P2 Black 5 CPU1 D1 Blue 29 CPU1 A2 Black 6 CPU2 F1 Blue 30 CPU2 G2 Black 7 CPU3 K1 Blue 31 CPU3
Chapter 3 Maintaining the Server Installing or Replacing Server Components Memory Mirroring Mode Note You cannot use memory sparing and memory mirroring at the same time. When you enable memory mirroring mode, the memory subsystem simultaneously writes identical data to two channels. If a memory read from one of the channels returns incorrect data due to an uncorrectable memory error, the system automatically retrieves the data from the other channel.
Chapter 3 Maintaining the Server Installing or Replacing Server Components DIMM Replacement Procedure This section includes the following topics: • Identifying a Faulty DIMM, page 3-26 • Replacing DIMMs, page 3-26 Identifying a Faulty DIMM Each DIMM socket on the motherboard has a corresponding DIMM fault LED. See Internal Diagnostic LEDs, page 3-7 for the locations of the LEDs and how to activate them.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Replacing CPUs and Heatsinks The server supports up to four EP-Series CPUs. See Figure 3-13 on page 3-22 for the CPU socket numbering. • The minimum configuration is two CPUs (CPU1 and CPU2). • The server must have either two or four CPUs to operate; you should populate CPU1 and CPU2 first, and then populate CPU3 and CPU4.
Chapter 3 Maintaining the Server Installing or Replacing Server Components CPU Replacement Procedure Caution CPUs and their motherboard sockets are fragile and must be handled with care to avoid damaging pins during installation. The CPUs must be installed with heatsinks and their thermal pads to ensure proper cooling. Failure to install a CPU correctly might result in damage to the server.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Figure 3-14 CPU Retaining Latches 2 1 332093 3 Step 5 1 CPU retaining latch, 2 CPU retaining latch, 3 Hinged CPU cover plate Remove a protective cap from the socket (if present). If you are installing a new CPU to a socket that was shipped empty, the socket has a protective cap that is intended to prevent bent contact pins. If you are removing an old CPU instead, skip to Step 6.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Step 6 Remove the old CPU: a. Set the Pick-and-Place tool on the CPU in the socket, aligning the arrow on the tool with the registration mark on the socket (the small triangular mark). See Figure 3-16. b. Press the top button on the tool to grasp the installed CPU. c. Lift the tool and CPU straight up. d. Press the top button on the tool to release the old CPU on an antistatic surface.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Figure 3-17 CPU and Pick-and-Place Tool on Pedestal 1 1 1 Step 8 Note Caution Arrow marks for alignment Install a new CPU: a. Step 9 333566 1 Set the Pick-and-Place tool that is holding the CPU over the empty CPU socket on the motherboard. Align the arrow on the top of the tool with the registration mark (small triangle) that is stamped on the metal of the CPU socket, as shown in Figure 3-16 on page 3-30. b.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Apply about 2 cubic centimeters of grease (about half the syringe contents) to the top of the CPU in the pattern that is shown in Figure 3-18. Note If you do not have a syringe of thermal grease, you can order a spare (Cisco PID UCS-CPU-GREASE). Thermal Grease Application Pattern 334295 Figure 3-18 d. Note e. Note For a new heatsink, peel the protective film from the thermal pad that is on the bottom of the new heatsink.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Replacing the Motherboard RTC Battery Warning There is danger of explosion if the battery is replaced incorrectly. Replace the battery only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer’s instructions. [Statement 1015] The CMOS real-time clock (RTC) battery retains system settings when the server is disconnected from power.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Figure 3-19 Removing and Replacing the Motherboard RTC Battery 1 FAN 2 FAN 3 DIMM G DIMM H CPU 3 DIMM K DIMM F DIMM J DIMM E DIMM C FAN 4 DIMM S DIMM D FAN 5 CPU 4 PCle 6 PCle 5 PCle 4 PCle 3 PCle 2 CPU 1 DIMM P DIMM B DIMM N DIMM A RTC battery socket on motherboard PCle 7 CPU 2 DIMM R FAN 6 1 DIMM L DIMM M 2 PCle 1 334360 FAN 1 Retaining clip (enlarged view) The flat, positive (+) side of the batter
Chapter 3 Maintaining the Server Installing or Replacing Server Components Replacing a PCIe Riser Assembly The server contains two PCIe risers for horizontal installation of PCIe cards. These risers wrap around the power supply bays and connect to dedicated PCIe slots 1 and 7 on the motherboard. These risers each provide one standard-profile, half-length, x16 horizontal slot.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Figure 3-20 Removing and Replacing the PCIe Riser Assembly FAN 1 DIMM L DIMM G DIMM M DIMM H PCle 7 1 FAN 2 CPU 3 CPU 2 DIMM K DIMM F DIMM J DIMM R DIMM E DIMM C FAN 4 DIMM S DIMM D FAN 5 CPU 4 FAN 6 PCle 6 PCle 5 PCle 4 PCle 3 PCle 2 CPU 1 2 DIMM P DIMM B DIMM N DIMM A PCle 1 3 1 PCIe riser 1 (PCIe slot 7) 2 PCIe riser 2 (PCIe slot 1) 3 334361 FAN 3 PCI riser captive thumbscrews (two) Cisco UCS
Chapter 3 Maintaining the Server Installing or Replacing Server Components Replacing an I/O Riser The I/O riser is a modular PCIe form-factor card that has a designated motherboard socket inside the server (see Figure 3-22). The module provides the external VGA video and RS-232 serial connectors for the rear panel of the server. See Figure 3-21. The I/O riser also provides two internal slots for SD cards.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Step 2 Install a new I/O riser: a. Note Align the new I/O riser with its designated socket on the motherboard. See Figure 3-22. You must install the I/O riser in its designated motherboard socket. b. Push down evenly on both ends of the I/O riser until it is fully seated in its motherboard socket. c. Ensure that the I/O riser rear panel tab sits flat against the chassis rear panel opening. d.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Replacing an Internal SD Card To install or replace an internal SD card, follow these steps: Step 1 Caution Step 2 Remove the SD card that you are replacing (see Figure 3-22): a. Power off the server as described in Shutting Down and Powering Off the Server, page 3-8. b. Slide the server out the front of the rack far enough so that you can remove the top cover.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Replacing a PCIe Card Caution Cisco supports all PCIe cards qualified and sold by Cisco. PCIe cards that are not qualified or sold by Cisco are the responsibility of the customer. Although Cisco always stands behind and supports the C-Series rack-mount servers, customers using standard, off-the-shelf, third-party cards must go to the third-party card vendor for support if any issue with that particular third-party card occurs.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Table 3-6 PCIe Expansion Slots Slot Number Electrical Lane Width Connector Length Card Length1 Card Height 2 NCSI3 Support 1 (on riser) Gen-3 x16 x16 connector ½ length Full height Yes 2 Gen-3 x8 x8 connector ½ length ½ height No 3 Gen-3 x8 x8 connector ½ length ½ height No 4 Gen-3 x8 x16 connector ½ length ½ height Yes 5 Gen-3 x8 x8 connector ½ length ½ height No 6 Gen-3 x8 x8 connector ½ l
Chapter 3 Maintaining the Server Installing or Replacing Server Components c. Remove the top cover as described in Removing and Replacing the Server Top Cover, page 3-9. d. Use a Number 2 Phillips-head screwdriver to loosen the two captive thumbscrews that secure the PCIe riser assembly. See Figure 3-20 on page 3-36. e. Lift straight up on both ends of the PCIe riser assembly to disengage its attached circuit board from the socket on the motherboard.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Replacing a PCIe Card in a Motherboard Slot Note If you replace an LSI MegaRAID controller card, you must restore your RAID configuration to the new card. See Restoring RAID Configuration After Replacing a RAID Controller, page C-6. To install or replace a PCIe card in low-profile motherboard slots 2 through 6, follow these steps: Step 1 Caution Remove a PCIe card (or a blank filler panel): a.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Hinged PCIe Card Retainer on Rear of Chassis 330617 Figure 3-25 Cisco UCS C420 Server Installation and Service Guide 3-44 OL-27640-01
Chapter 3 Maintaining the Server Installing or Replacing Server Components Special Considerations for Cisco UCS Virtual Interface Cards Table 3-8 describes the requirements for the supported Cisco UCS virtual interface cards (VICs).
Chapter 3 Maintaining the Server Installing or Replacing Server Components Installing Multiple PCIe Cards and Resolving Limited Resources When a large number of PCIe add-on cards are installed in the server, the system might run out of the following resources required for PCIe devices: • Option ROM memory space • 16-bit I/O space The topics in this section provide guidelines for resolving the issues related to these limited resources: • Resolving Insufficient Memory Space to Execute Option ROMs, pag
Chapter 3 Maintaining the Server Installing or Replacing Server Components Figure 3-26 • BIOS Setup Utility Advanced > PCI Configuration Page Guidelines for RAID controller booting When the server is configured in the factory, the RAID controllers are installed in PCIe slot 3 or slot 5 for single RAID controller configuration, or in both slot 3 and slot 5 for dual RAID controller configuration.
Chapter 3 Maintaining the Server Installing or Replacing Server Components When a large number of PCIe cards are installed in the system, the system BIOS might not have sufficient I/O space for some PCIe devices. If the system BIOS is not able to allocate the required I/O resources for any PCIe devices, the following symptoms have been observed: • The system might get stuck in an infinite reset loop. • The BIOS might appear to hang while initializing PCIe devices.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Replacing the Supercap Power Module (RAID Backup Unit) The server supports installation of up to two RAID controllers and up to two supercap power modules (SCPMs). These SCPMs mount to trays that are on the removable air baffle. The SCPM is available only when using the LSI MegaRAID-CV controller cards.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Figure 3-28 Removing the SCPM 3 4 2 334370 1 1 Upper SCPM tray on air baffle 3 SCPM retaining clips on tray 2 Lower SCPM tray on air baffle 4 SCPM tray release levers Cisco UCS C420 Server Installation and Service Guide 3-50 OL-27640-01
Chapter 3 Maintaining the Server Installing or Replacing Server Components Installing a Trusted Platform Module The trusted platform module (TPM) is a small circuit board that attaches to a motherboard socket. The socket location is on the motherboard, underneath the cage for power supply 1. Note For security purposes, the TPM is installed with a one-way screw. It cannot be removed with a standard screwdriver.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Verify that the TPM is now enabled. a. Watch during bootup for the F2 prompt, and then press F2 to enter BIOS setup. b. Log into the BIOS Setup utility with your BIOS Administrator password. c. Select the Advanced tab. d. Select Trusted Computing to open the TPM Security Device Configuration screen. e. Verify that TPM SUPPORT is Enabled.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Step 1 Verify that a TPM is now installed and enabled in the server: a. Either attach a VGA monitor and USB keyboard to the server, or log in remotely to the CIMC interface of the server and open a virtual KVM console window. b. Reboot the server. c. Watch during bootup for the F2 prompt, and then press F2 to enter BIOS setup. d. Log in to the BIOS Setup utility with your BIOS Administrator password. Note Step 2 e.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Replacing Power Supplies The server can have one or two power supplies. When two power supplies are installed they are redundant as 1+1. To replace or install a power supply, follow these steps: Note Step 1 If you have ordered a server with power supply redundancy (two power supplies), you do not have to power off the server to replace power supplies because they are redundant as 1+1.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Enabling or Disabling the Internal USB Port The factory default is for all USB ports on the server to be enabled. However, the internal USB port can be enabled or disabled in the server BIOS. To enable or disable the internal USB port, follow these steps: Step 1 Enter the BIOS Setup utility by pressing the F2 key when prompted during bootup. Step 2 Navigate to the Advanced tab.
Chapter 3 Maintaining the Server Installing or Replacing Server Components Cisco UCS C420 Server Installation and Service Guide 3-56 OL-27640-01
A P P E N D I X A Server Specifications This appendix lists the technical specifications for the Cisco UCS C420 Server and includes the following sections: • Physical Specifications, page A-1 • Environmental Specifications, page A-2 • Power Specifications, page A-2 Physical Specifications Table A-1 lists the physical specifications for the server. Table A-1 Physical Specifications Description Specification Height 3.5 in (89 mm) Width 17.
Appendix A Server Specifications Environmental Specifications Environmental Specifications Table A-2 lists the environmental specifications for the server.
A P P E N D I X B Power Cord Specifications This appendix provides supported power cable specifications. Supported Power Cords and Plugs Each power supply has a separate power cord. Standard power cords or jumper power cords are available for connection to the server. The jumper power cords, for use in racks, are available as an optional alternative to the standard power cords. Note Only the approved power cords or jumper power cords provided with the server are supported.
Appendix B Power Cord Specifications Supported Power Cords and Plugs Table B-1 Supported Power Cords for the Server (continued) Length Description Feet Meters Power Cord Reference Illustration CAB-9K10A-IT Power Cord, 250 VAC 10 A CEI 23-16 Plug Italy 8.2 2.5 Figure B-7 CAB-9K10A-SW Power Cord, 250 VAC 10 A MP232 Plug Switzerland 8.2 2.5 Figure B-8 CAB-9K10A-UK Power Cord, 250 VAC 10 A BS1363 Plug (13 A fuse) United Kingdom 8.2 2.
Appendix B Power Cord Specifications Supported Power Cords and Plugs AC Power Cord Illustrations This section includes the AC power cord illustrations. See Figure B-1 through Figure B-15. Figure B-1 SFS-250V-10A-AR 2500 mm Cordset rating: 10 A, 250/500 V MAX Length: 8.2 ft Plug: EL 219 (IRAM 2073) Figure B-2 186571 Connector: EL 701 (IEC60320/C13) CAB-9K10A-AU Connector: EL 701C (IEC 60320/C15) Plug: EL 206 A.S.
Appendix B Power Cord Specifications Supported Power Cords and Plugs CAB-9K10A-EU Plug: M2511 Cordset rating: 10A/16 A, 250 V Length: 8 ft 2 in. (2.
Appendix B Power Cord Specifications Supported Power Cords and Plugs Figure B-7 CAB-9K10A-IT Cordset rating: 10 A, 250 V Length: 8 ft 2 in. (2.5 m) Connector C15M (EN60320/C15 ) 186575 Plug: I/3G (CEI 23-16) Figure B-8 CAB-9K10A-SW Cordset rating: 10 A, 250 V Length: 8 ft. 2 in (2.
Appendix B Power Cord Specifications Supported Power Cords and Plugs Figure B-10 CAB-AC-250V/13A Connector: EL 701 (IEC60320/C13) Plug: EL312MoldedTwistlock (NEMA L6-20) CAB-N5K6A-NA Plug: NEMA 6-15P Cordset rating: 10 A, 250 V Length: 8.2 ft Connector: IEC60320/C13 Figure B-12 186570 Figure B-11 186568 Cordset rating 13A, 250V (6.6 feet) (79±2m) CAB-9K12A-NA Plug: NEMA 5-15P Connector: IEC60320/C15 192260 Cordset rating 13A, 125V (8.2 feet) (2.
Appendix B Power Cord Specifications Supported Power Cords and Plugs Figure B-13 CAB-C13-CBN, Jumper Power Cord (0.68 m) Connector: HS10S Plug: SS10A Figure B-14 186569 Cordset rating 10A, 250V (686mm) CAB-C13-C14-2M, Jumper Power Cord (2 m) Connector: HS10S Plug: SS10A Figure B-15 336014 Cordset rating 10A, 250V (2.0 m) CAB-C13-C14-AC, Jumper Power Cord (3 m) Plug: SS10A Connector: HS10S 336013 Cordset rating 10A, 250V (3.
Appendix B Power Cord Specifications Supported Power Cords and Plugs Cisco UCS C420 Server Installation and Service Guide B-8 OL-24342-01
A P P E N D I X C RAID Controller Considerations This appendix provides RAID controller information, and it includes the following sections: • Supported RAID Controllers and Required Cables, page C-1 • Supercap Power Modules (RAID Backup Units), page C-2 • Mixing Drive Types in RAID Groups, page C-2 • RAID Controller Cabling, page C-2 • Restoring RAID Configuration After Replacing a RAID Controller, page C-6 • For More Information, page C-6 Supported RAID Controllers and Required Cables This s
Appendix C RAID Controller Considerations Supercap Power Modules (RAID Backup Units) Supercap Power Modules (RAID Backup Units) This server supports installation of two supercap power module (SCPM) backup units. The units mount to trays on the removable air baffle (see Replacing the Supercap Power Module (RAID Backup Unit), page 3-49). The SCPM is available only when using the LSI MegaRAID-CV controller cards.
Appendix C RAID Controller Considerations RAID Controller Cabling Example 1—One Nonexpander and One RAID Controller with Eight Drives Figure C-1 shows an example of a server that is using one RAID controller in PCIe slot 3 and a nonexpander transition card to control eight drives in the modular drive bay. Two RAID cables are required (1 UCSC-CABLE-S and 1 UCSC-CABLE-L). • The blue line is a 0.8m cable (UCSC-CABLE-S) from the RAID controller SAS 0 connector to the nonexpander connector for PORT 1–4.
Appendix C RAID Controller Considerations RAID Controller Cabling Example 2—Two Nonexpanders and Two RAID Controllers with 16 Drives Figure C-2 shows an example of a server that is using two RAID controllers in PCIe slots 3 and 5 and two nonexpander transition cards to control eight drives in each of the two modular drive bays. Four RAID cables are required (2 x UCSC-CABLE-L and 2 x UCSC-CABLE-S). • The upper blue line is a 0.
Appendix C RAID Controller Considerations RAID Controller Cabling Example 3—Two Expanders and One RAID Controller with Sixteen Drives Figure C-3 shows an example of a server that is using one RAID controller in PCIe slot 3 and two expander transition cards to control eight drives in each of the two modular drive bays. Two RAID cables are required (2 x UCSC-CABLE-S). • The upper blue line is a 0.
Appendix C RAID Controller Considerations Restoring RAID Configuration After Replacing a RAID Controller Restoring RAID Configuration After Replacing a RAID Controller When you replace a RAID controller, the RAID configuration that is stored in the controller is lost. To restore your RAID configuration to your new RAID controller, follow these steps. Step 1 Replace your RAID controller. See Replacing a PCIe Card in a Motherboard Slot, page 3-43.
Appendix C RAID Controller Considerations For More Information Cisco UCS C420 Server Installation and Service Guide OL-27640-01 C-7
Appendix C RAID Controller Considerations For More Information Cisco UCS C420 Server Installation and Service Guide C-8 OL-27640-01
A P P E N D I X D Installation for Cisco UCS Integration The Cisco UCS integration instructions have been moved to the integration guides found here: Cisco UCS C-Series Server Integration with UCS Manager Guides Refer to the guide that is for the version of Cisco UCS Manager that you are using.
Appendix D Installation for Cisco UCS Integration Cisco UCS C420 Server Installation and Service Guide D-2 OL-24342-01
