Instruction/ maintenance manual of the product T5440 Fujitsu
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SP ARC Enter pr ise T5440 Ser v er Ser vice Manual P art No. 875-43 92-12 June 2011 , Revision A Manual Code C120-E512-0 3EN,.
Please Recycle Copyright © 2008, 201 1 , Oracle and/o r its affiliates. All rights reserved. FUJITSU LIMITED prov ided technical input an d review on portions of this material.
Copyright © 2008, 201 1, Oracle et/ou ses s o ciétés affiliées. T ous droits réservés. FUJITSU LIMITED a fourni et vérifié des données te chniques de certaines parties de ce co mposant.
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v Contents Preface xiii Identifying Server Components 1 Infrastructure Boards and Cables 1 Front Panel Diagram 3 Front Panel LEDs 5 Rear Panel Diagram 6 Rear Panel LEDs 8 Ethernet Port LEDs 9 Managing.
vi SPARC Enterprise T5440 Server Service Manual • June 2011 ▼ Switch From the System Cons ole to the Service Processor (ILOM or ALOM CMT Compatibility Shell) 26 ▼ Switch From ILOM to the System .
Contents vii Identifying Faults Detected by PSH 48 ▼ Detect Faults Identified by the Oracle Solaris PSH Facility (ILOM fmdump Command) 49 Clearing Faults 52 ▼ Clear Faults Detected During PO ST 52.
viii SPARC Enterprise T5440 Server Service Manual • June 2011 Extending the Se rver to the Maintenan ce Position 69 Components Serv iced in the Maintenance Position 69 ▼ Extend the Server to th e .
Contents ix ▼ Remove a Power Supply 92 ▼ Install a Power Supply 93 Power Supply Device Identifiers 94 Power Supply LED 95 Servicing PCIe Cards 96 ▼ Remove a PCIe Card 96 ▼ Install a PCIe Card .
x SPARC Enterprise T5440 Server Service Manual • June 2011 Servicing the Front Bezel 119 ▼ Remove the Front Bezel 120 ▼ Install the Front Bezel 121 Servicing the DVD-ROM Drive 122 ▼ Remove the.
Contents xi Servicing the Flex Cable Assembly 144 ▼ Remove the Flex C able Assembly 145 ▼ Install the Flex Cable Assembly 146 Servicing the Fron t Control Panel 148 ▼ Remove the Front Contro l P.
xii SPARC Enterprise T5440 Server Service Manual • June 2011 I/O Fabric in 4P Configuration 169 Identifying Connector Pinouts 171 Serial Management Port Connec tor Pinouts 172 Network Management Por.
xiii Pr eface This manual pr ovides detailed pr ocedures that descri be the re moval and r eplacement of replaceabl e parts in the SP ARC Enterprise T5440 Server .
xiv SPARC Enterprise T5440 Server Service Manual • June 2011 ■ “Identify ing Server Components ” on page 1 Provides an overview of the server , including major boar ds and components, as well as fr ont and r ear panel features.
Preface xv (http://primeserver.fujitsu.com/sparcenterprise/manual/ ) Title Description Manual Code SP ARC Enterprise T5440 Server Getting Started Guide Minimum steps to power on and boot the server fo.
xvi SPARC Enterprise T5440 Server Service Manual • June 2011 Note – Product Note s are availa ble on the website onl y . Please check for the rece nt update on your product.
Preface xvii T ext Conventions * The settings on your browser might dif fer from these settings. Pr ompt Notations The following pr ompt notations are used in this manual. T ypeface* Meaning Examples AaBbCc123 The names of commands, files, and directories; on-scr een computer output Edit your .
xviii SPARC Enterprise T5440 Server Service Manual • June 2011 Conventions for Alert Messages This manual uses the foll owing conventions to show alert me ssages, which are intended to prevent injury to the user or bystanders as well as pr operty damage, and important messages that ar e usef ul to the user .
Preface xix Also, important alert messages ar e shown in “Im portant Alert Messages” on page xix . Notes on Safety Important Alert Messages This manual pr ovides the following important alert sign.
xx SPARC Enterprise T5440 Server Service Manual • June 2011 Caution – This indicates that surfaces are hot and might cause pers onal injury if touched. A void contact. Pr oduct Handling Maintenance Caution – Certain tasks in this manual should only be performed by a certified service engine er .
Preface xxi Caution – The following task s regar ding this product and the optional pr oducts provided fr om Fujitsu should only be performed by a certified service eng ineer . Users must not perform these tasks. Inco rrect operation of these tasks may cause malfunction.
xxii SPARC Enterprise T5440 Server Service Manual • June 2011 Documentation Feedback If you have any comments or requests rega r ding this document, or if you find any unclear statements in the document, please st ate your poin ts specifically on the form at the following URL.
1 Identifying Server Components These topics provide an ove rview of the server , includin g major boards and components, as well as front and rear panel features.
2 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ Memory module – A memory module contain ing slots for an additional 12 FB-DIMMs is associated with each CMP module. ■ Service processor – The service processor (ILOM) board contr ols the server pow er and monitors server power and enviro nmental events.
Identifying Ser ver Components 3 Fr ont Panel Diagram The server front pan el contains a re cessed system power butt on, system status a nd fault LEDs, Locator button and LED. The front pa nel also provi des access to internal hard drives, the DVD-RO M drive (if eq uipped), and the two front USB ports.
4 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ “Rear Panel Diagram” on page 6 ■ “Servicing the Front Bezel” on page 1 19.
Identifying Ser ver Components 5 Fr ont Panel LEDs LED or Button Icon Description Locator LED and button (white) The Locator LED enables you to find a pa rticular system. The LED is activated using one of the following methods: • The ALOM CMT command setlocator on.
6 SPARC Enterprise T5440 Server Service Manual • June 2011 Related Information ■ “Fr ont Panel Diagram” on page 3 ■ “Rear Panel LEDs” on page 8 ■ “Detecting Faults Using LEDs” on p.
Identifying Ser ver Components 7 FIGURE: Rear Panel Features Related Information ■ “Front Panel Diagram” on page 3 ■ “Rear Panel LEDs” on page 8 ■ “Ethernet Port LEDs” on page 9 ■ .
8 SPARC Enterprise T5440 Server Service Manual • June 2011 Rear Panel LEDs Related Information ■ “Rear Panel Diagram” on page 6 ■ “Ethernet Port LEDs” on page 9 ■ “Detecting Faults Using LEDs” on page 34 LED Icon Description Locator LED and button (white) The Locator LED enables you to find a particular system.
Identifying Ser ver Components 9 Ethernet Port LEDs The service processor network management port and the four 1 0/100/1000 Mbps Ethernet ports each have two LEDs.
10 SPARC Enterprise T5440 Server Service Manual • June 2011.
11 Managing Faults These topics describe the diagnosti cs tools that are avai lable for monitoring and troubleshooting the server . These topics ar e intended for technicians, service personnel, and system administrators who service and re pair computer systems.
12 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ “Memory Fault Handling Overview” on page 24 Server Diagnostics Overview Y ou can use a variety of diagnostic tools, commands, and .
Managing F aults 13 ■ V erify that the server was installed properly . ■ Vi s u a l l y i n s p e c t cables a nd power . ■ (Optional) Perform a reset of the server .
14 SPARC Enterprise T5440 Server Service Manual • June 2011 FIGURE: Diagnostic Flowchart.
Managing F aults 15 TA B L E : Diagnostic Flowchart Actions Action No. Diagnostic Action Resulting Action For more information 1. Check Power OK and AC Present LEDs on the server . The Power OK LED is located on the front and r ear of the chassis. The AC Present LED is located on the rear of the server on ea ch power supp ly .
16 SPARC Enterprise T5440 Server Service Manual • June 2011 6. Determine if the fault is an environmental or configuration fault. Determine if the fault is an envir onmental fault or a configuration fault . If the fault listed by the show faulty command displays a temperature or voltage fault, then the fault is an envir onmental fault.
Managing F aults 17 Related Information ■ “Server Diagnostics Overview” on pa ge 12 ■ SP ARC Enterprise T5440 Serv er Administration Guide Options for Accessing the Service Pr ocessor There ar.
18 SPARC Enterprise T5440 Server Service Manual • June 2011 The code examples in this document de pict use of the ILOM shell. Note – Multiple service pr ocessor accounts can be active c oncurrently . A user can be logged in under one account using the IL OM shell, and anoth er account using the ALOM CMT shell .
Managing F aults 19 FIGURE: ILOM Fault Management The service pr ocessor can detect when a fault is no longer pr esent and clears the fault in several ways: ■ Fault recovery – Th e system automatically detects that the fault condition is no longer present.
20 SPARC Enterprise T5440 Server Service Manual • June 2011 Related Information ■ “Diagnostic Flowchart” on page 13 ■ “Detecting Faults Using LEDs” on page 34 ■ “Detecting Faults (Or.
Managing F aults 21 The Oracle Solaris OS uses the Fault Manager daemon, fmd (1M), which starts at boot time and runs in the backgr ound to monito r the system. If a component generates an error , the daemon han dles the err or by corr elating the error with data from pr evious errors and other related informatio n to di agnose the problem.
22 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ “Oracle VTS Softwar e Packages” on page 45 ■ “Useful Oracle VTS T ests” on page 46 ■ SP ARC Enterprise T5440 Serv er Admin.
Managing F aults 23 POST Fault Management Flowchart FIGURE: Flowchart of V ariab les for POST Configuration Related Information ■ “Diagnostic Flowchart” on page 13.
24 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ “Detecting Faults Using POST” on page 46 ■ SP ARC Enterprise T5440 Server Installation and Setup Guide ■ SP ARC Enterprise T54.
Managing F aults 25 Note – Y ou can use the FB- DIMM DIAG buttons on the CMP module and memory module to identify faulty FB-DIMMs. See “FB-DIMM Fault Button Locations” on page 1 17 . Once you identify which FB-DIMMs you want to r eplace, see “Servicin g FB-DIMMs” on page 108 for FB-DIMM removal and replacement instructions.
26 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ “Switch From the System Console to th e Service Processor (ILOM or ALOM CMT Compatibility Shell)” on page 26 ■ “Switch From IL.
Managing F aults 27 Displaying FRU Information W ith ILOM ■ “Display System Componen ts (ILOM show components Command)” on page 27 ■ “Display Individual Component Informati on (ILOM show Com.
28 SPARC Enterprise T5440 Server Service Manual • June 2011 EXAMPLE: Output of the show components Command W ith No Disabl ed Components EXAMPLE: Output of the show components Command Showing Disabl.
Managing F aults 29 EXAMPLE: show Command Output Contr olling How POST Runs This topic contains the following: ■ “POST Parameters” on page 30 ■ “Change POST Parameters” on page 31 ■ “R.
30 SPARC Enterprise T5440 Server Service Manual • June 2011 POST Parameters The server can be configured for normal, ex tensive, or no POST execution. Y ou can also contr ol the level of tests that run, the amount of POST output that is displayed, and which reset events trigger POST by using ILOM command variables.
Managing F aults 31 Related Information ■ “Diagnostic Flowchart” on page 13 ■ “Change POST Parameters” on page 31 ■ “Run POST in Maximum Mode” on page 32 ■ “Detecting Faults Usin.
32 SPARC Enterprise T5440 Server Service Manual • June 2011 ▼ Run POST in Maximum Mode This procedure describes how to run POST when you want maxi mum testing, as in the case when you ar e troubleshooti ng a se rver , or verifying a hardware u pgrade or rep ai r .
Managing F aults 33 EXAMPLE: show Command Output EXAMPLE: show Command Output -> stop /SYS Are you sure you want to stop /SY S (y/n)? y Stopping /SYS -> start /SYS Are you sure you want to start /S YS (y/n)? y Starting /SYS -> start /SP/console .
34 SPARC Enterprise T5440 Server Service Manual • June 2011 Detecting Faults This sect ion describes the differ ent methods you can use to identify system faults in the server . Detecting Faults Using LEDs The server provides the fo llowing groups of LEDs: ■ Front panel system LEDs.
Managing F aults 35 The following table describes which fault LEDs are li t under given err or conditions. Use the ILOM show faulty command to obtain more information about the nature of a given fault. See “Detec t Faults (ILOM show faulty Command)” on pa ge 37 .
36 SPARC Enterprise T5440 Server Service Manual • June 2011 Related Information ■ “Diagnostic Flowchart” on page 13 ■ “Detecting Faults Using LEDs” on page 34 ■ “ILOM-to-ALOM CMT Com.
Managing F aults 37 ▼ Detect Faults (ILOM show faulty Command) ● At the -> prompt, type the show faulty command. The followin g show faulty command examp les show the dif ferent kinds of output.
38 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ Example showing a fault that was detect ed by the PSH technology . T hese kinds of faults are distinguished fr om other kinds of faults by the presence of a sunw-msg-id and by a UUID. ■ Example showing a fault that was detected by POST .
Managing F aults 39 Detecting Faults (Oracle Solaris OS Files and Commands) W ith the Oracle Solaris OS running on th e server , you have the full complement of Oracle Solaris OS files and commands availa ble for collecting information and for troubleshooting.
40 SPARC Enterprise T5440 Server Service Manual • June 2011 ▼ V iew System Message Log Files The error logging daemon, syslogd , automatical ly recor ds various system warnings, errors, and faults in messag e files. These messages can alert you to system problems such as a device that is about to fail.
Managing F aults 41 ▼ V iew ILOM Event Log ● T ype the following comm and: Note – The ILOM event log can also be viewed through the ILOM BUI or the ALOM CMT CLI. If a “major” or “critical” event is found that was not expected and not included under ILOM show faulty than it may indicate a system fa ult.
42 SPARC Enterprise T5440 Server Service Manual • June 2011 About Oracle VTS Softwar e The Oracle VTS softwar e features a Java-b ased browser en vironment, an AS CII-based screen interface, and a command-line inte rface. For more information about how to use the Oracle VTS sof twar e, see the Or acle VTS 7.
Managing F aults 43 ■ If the Oracle VTS softwar e is not i nstal led, you see an error message for each missing package, as in EXAMPLE: show Command Output on page 43 . See “Oracle VTS Overview” on page 21 for a list of r equired Oracle VTS softwa re package s.
44 SPARC Enterprise T5440 Server Service Manual • June 2011 4. (Optional) Select the test categories you want to run. Certain test categories are enabled by default. Y ou can choose to accept these. Note – Oracle VTS T ests on page 46 lists test ca tegories that are especially useful to run on this server .
Managing F aults 45 ■ Oracle VTS T est Kernel ( Vtsk) Error – Error messages pertaining to the Oracle VTS software itself. Look here if the Or acl e VTS software app ears to be acting strangely , especially when it starts up. ■ Information – Detailed versions of all the stat us a nd error messag es that appear in the test messages ar ea.
46 SPARC Enterprise T5440 Server Service Manual • June 2011 Useful Oracle VTS T ests Related Information ■ “Diagnostic Flowchart” on page 13 ■ “Oracle VTS Softwar e Packages” on page 45 .
Managing F aults 47 In the following example, POST r eport s a memory error at FB-DIMM location /SYS/MB/CPU0/CMP0/BR1/CH0/D0 . The err or was detected by POST run ning on core 7, strand 2. EXAMPLE: show Command Output Perform further investigation if needed.
48 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ “POST Fault Management Fl owchart” on page 23 ■ SP ARC Enterprise T5440 Serv er Administration Guide Identifying Faults Detected by PSH When a PSH fault is detec ted, a Oracle Sola ris console message is displayed, simila r to the following example.
Managing F aults 49 EXAMPLE: ALOM CMT Alert of PSH Diagnosed Fault The ILOM show faulty command pr ovides summary information about the fault. See “Detect Faults (ILOM show faulty Command)” on page 37 for more information about the show faulty command.
50 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ Faulted FRU. The info rmation pr ovided in the exam ple includes the part number of the FRU ( part=541215101 ) and the serial number of the FRU ( serial=101083 ). The Location field provides the name of the FRU.
Managing F aults 51 Automated Response The fault manager will attempt to remove the affected CPU from service. Impact System performance may be aff ected. Suggested Action for System Admin istrator Schedule a repair procedure t o replace the affected CPU, the identity of which can be det ermined using fmdump -v -u < EVENT_ID>.
52 SPARC Enterprise T5440 Server Service Manual • June 2011 Clearing Faults This section describes how to c lear faults. Note – Some system faults are cleare d automatically .
Managing F aults 53 1. After replacing a faulty FRU, at the ILOM prompt use the show faulty command to identify POST -detected faults. Faults detected by POST are distinguished from other kinds of faults by the text: Forced fail . No UUID number is reported.
54 SPARC Enterprise T5440 Server Service Manual • June 2011 EXAMPLE: Fault Detected by POST ▼ Clear Faults Detected by PSH When the Oracle Solari s PSH facility de tects faults, the faul ts are logged and displayed on the co nsole.
Managing F aults 55 ▼ Clear Faults Detected in the External I/O Expansion Unit For service processor detected faults in the External I/O Expansi on Unit, the fault must be manually clear ed from ILOM show f aulty after the problem has been rep ai re d.
56 SPARC Enterprise T5440 Server Service Manual • June 2011 Disabling Faulty Components Using Automatic System Recovery Y ou can use the Automatic System Recovery (ASR) feature to configure the server to automatically disable fa iled components until they can be r eplaced.
Managing F aults 57 Note – A re s et or po we r cy cl e i s re qu ire d a f te r disabling or enabling a compo nent. If the status of a component is changed, there is no effect to the system until t he next res e t or po w er cy cl e.
58 SPARC Enterprise T5440 Server Service Manual • June 2011 1. A t the -> prompt, set the component_state property to Enabled . 2. Reset the server s o that the ASR command takes effect. Note – In the ILOM shell there is no notifi cation when the sy stem is actually powered of f.
Managing F aults 59 ■ Integrated Lights Out Manager 3.0 Su pplement for the SP ARC Ent erprise T5440 Server ILOM Command ALOM CMT Command Description help [command] help [ command ] Displays a list of all available commands with syntax and descriptions.
60 SPARC Enterprise T5440 Server Service Manual • June 2011 set /HOST/bootmode/ value [norm al|re set_nvram |bootscript= string ] bootmode value [normal|reset_nvram| bootscript= st ring ] Enables control of the fi rmware during s ystem initia lization with the following options: • normal is the default boot mo de.
Managing F aults 61 set /SYS/keyswitch_state value normal | stby | diag | locked setkeyswitch [-y] value normal | stby | diag | locked • -y enables y ou to skip the confirmation questi on when setting the keyswitch to stby . Sets the virtual keyswitch.
62 SPARC Enterprise T5440 Server Service Manual • June 2011 The following table shows typical combina tions of ALOM CMT varia bles and associated POST modes.
63 Pr eparing to Service the System These topics de scribe how to pr epare the server for servicing. ■ “Safety Information” on page 63 ■ “Required T ools” on page 66 ■ “Obtain the Chas.
64 SPARC Enterprise T5440 Server Service Manual • June 2011 Observing Important Safety Pr ecautions For your protection, observe the following safety pr ecauti ons when setting up your equipment: ■ Follow all cautions and instr uctions marked on the equipment and described in the documentation shipped wi th your system.
Preparing to Ser vice the System 65 Electr ostatic Dischar ge Safety Measur es This topic includes the following: ■ “Handling Elec tron ic Components” on pag e 65 ■ “Antistatic W rist Strap.
66 SPARC Enterprise T5440 Server Service Manual • June 2011 Requir ed T ools ■ Antistatic wrist strap ■ Antistatic m at ■ No. 1 Phillips scr ewdriver ■ No.
Preparing to Ser vice the System 67 Powering Of f the System Note – Additional information about powerin g off the system is located in the SP ARC Enterprise T5440 Serv er Administration Guide .
68 SPARC Enterprise T5440 Server Service Manual • June 2011 2. Switch from the system console prompt to the service processor console prompt. Ty p e : 3. From the ILOM -> prompt, t ype: Note – T o perform an immediate shutdown, use the stop -force -script /SYS command.
Preparing to Ser vice the System 69 Caution – Because 3.3v standby power is alway s pres ent in the system, you must unplug the power cords befor e accessing any cold-serviceable components.
70 SPARC Enterprise T5440 Server Service Manual • June 2011 ▼ Extend the Server to the Maintenance Position 1. (Optional) Use the set /SYS/LOCATE command from the -> prompt to lo cate the system that requires maintenance. Once you have located the server , press th e Locator LED and button to turn it off.
Preparing to Ser vice the System 71 4. While squeezing the slide rail locks, slow ly pull the server forward until it is locked in the service position.
72 SPARC Enterprise T5440 Server Service Manual • June 2011 FIGURE: Removing the Se rver From the Rack Caution – Use two people to dismount and carry the chassi s. FIGURE: Lift W arning 4. From the front of the server , press inne r rail release buttons and pull the server forward until it is free of the rack rails.
Preparing to Ser vice the System 73 ▼ Perform Electr ostatic Discharge – Antistatic Pr evention Measures 1. Prepare an antistatic surface to set parts on during the removal, installation, or replacement process. Place ESD-sensitive components such as the printed circuit boar ds on an antistatic mat.
74 SPARC Enterprise T5440 Server Service Manual • June 2011 Caution – If the top cover is remove d before the server is powered of f , the server will immediately disable the front panel Po wer button and shut down. After such an event, you must replace the top cover and use the poweron command to power on the server .
75 Servicing Customer -Replaceable Units These topic s describe how to se rvice custom er -replacea ble units (CRUs) in the server . Related Information ■ “Servicing Field -Replaceabl e Units” o.
76 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ Hard drives Hot-swappable devices ar e those devices th at can be removed and installed while the server is running without affecting th e r est of the server ’s capabilities.
Ser vicing Customer-Replaceab le Units 77 Caution – Y ou must use hard drives designed fo r this server , which have a vented front panel to allow adequate airflow to internal system components. Installing inapprop riate hard drives could r esult in an overtemperature condition.
78 SPARC Enterprise T5440 Server Service Manual • June 2011 1. At the S olaris prom pt, issue th e cfgadm -al command to list a ll drives in the device tree, including d rives that are not configured. T ype: This comma nd should identif y the Ap_id for the hard drive you wish to r emove, as in EXAMPLE: Sample Ap_id Output on page 79 .
Ser vicing Customer-Replaceab le Units 79 EXAMPLE: Sample Ap_id Output ▼ Install a Har d Drive (Hot-Plug) Installin g a hard drive into the server is a two-step process . Y ou must first install a hard drive into the desired drive slot. Th en you must configure that drive to the server .
80 SPARC Enterprise T5440 Server Service Manual • June 2011 4. Close the latch to lock the drive in place. 5. At the S olaris pro mpt, type th e cfgadm -al command to list all drives in th e device tree, including any drives t hat are not configured.
Ser vicing Customer-Replaceab le Units 81 9. T ype the iostat -E command. T ype: The iostat -E command disp lays information about your system’s installed devices such as manufacturer , model number , serial number , size, and system error statistics.
82 SPARC Enterprise T5440 Server Service Manual • June 2011 1. Note the location of each hard drive. Note – Y ou must install each hard drive in the same bay fr om which it was removed. 2. Press the hard drive latch release b utton. 3. Slide the hard drive out of its bay .
Ser vicing Customer-Replaceab le Units 83 3. Close the latch to l ock the drive in place. 4. If you performed any addition al ser vice procedures, see “Power On the Server” on page 157 .
84 SPARC Enterprise T5440 Server Service Manual • June 2011 Har d Drive LEDs The front and r e ar panel Service Requir ed LEDs are also lit if the system detects a hard drive fault.
Ser vicing Customer-Replaceab le Units 85 ■ “Fan T ray Fault LED” on page 89 About Fan T rays Four fan trays are located towar d the front of the server , arranged in two N+1 redundant pairs . Each fan tray contai ns a fan mounted in an integrated, hot-swappable CRU.
86 SPARC Enterprise T5440 Server Service Manual • June 2011 ▼ Install a Fan T ray (Hot-Swap) 1. Slide the fan tray in to its bay until it locks into place. Ensure that the fan tray is oriented corr e ctly . Airflow in the system is from front to back.
Ser vicing Customer-Replaceab le Units 87 ▼ Remove a Fan T ray If you are r emoving the fan trays as a pr er equisite for another service procedure, follow the ste ps in this pr ocedure. Before you begin, complete these tasks: ■ Read the se ction, “Safety Information” on page 63 .
88 SPARC Enterprise T5440 Server Service Manual • June 2011 ▼ Install a Fan T ray 1. Slide each fan tray into its bay until it locks into place. Ensure that the fan tray is oriented corr e ctly . Airflow in the system is from front to back. 2. V erify prop er fan tray operation .
Ser vicing Customer-Replaceab le Units 89 Fan T ray Fault LED Each fan tray contains a Faul t LED that is located on the top panel of the server . The LED is visible when you slide the server partially out of the rack.
90 SPARC Enterprise T5440 Server Service Manual • June 2011 About Power Supplies The server is equipped with r edundant hot-swappable power supplies. Redundant power supplies enable you to r emove and r eplace a power supply without shutting the server down, provi ded that at least two other power supplies are online and working.
Ser vicing Customer-Replaceab le Units 91 4. Grasp the power suppl y handle and press the release latch. 5. Pull the power supply out of the chassis. ▼ Install a Power Supply (Hot-Swap) 1. Align the replacement power supply with the empty power supply bay .
92 SPARC Enterprise T5440 Server Service Manual • June 2011 3. Reconnect the power cord to the power supply . V erify that the power supply LED is green or blinking gr een. 4. V erify that th e system Power Supply Fault LED, and the front and rear S ervice Required LEDs are not li t.
Ser vicing Customer-Replaceab le Units 93 If you are r emoving the power supplies as a prer equisite for another service procedur e, follow these steps. Before you begin, complete these tasks: ■ Read the se ction, “Safety Information” on page 63 .
94 SPARC Enterprise T5440 Server Service Manual • June 2011 2. Slide the power supply into t he bay until it is fully seated. Next Steps ■ “Connect the Power Cords to the Server” on page 157 .
Ser vicing Customer-Replaceab le Units 95 Note – Power supply names in ILOM messages ar e displayed with the full FRU name, such as /SYS/PS0. Related Information ■ “Managing Faults” on page 1 .
96 SPARC Enterprise T5440 Server Service Manual • June 2011 See “Power Supp ly LED” on page 95 for specific information about power supply status LEDs.
Ser vicing Customer-Replaceab le Units 97 3. Remove the PCIe card the system. 4. Place the PCIe card on an antistatic mat. 5. If you are not replacing the PCIe card, in stall a PCIe fill er panel in its place. 6. Close the PCIe card latch. ▼ Install a PCIe Car d 1.
98 SPARC Enterprise T5440 Server Service Manual • June 2011 3. Insert the PCIe card into its slot. 4. Close the PCIe card latch. Next Steps ■ “Install the T op Cover” on page 154 ■ “Slide .
Ser vicing Customer-Replaceab le Units 99 2. Open th e PCIe card la tch. 3. Remove the PCIe filler panel. 4. Insert the PCIe card in to its slot. 5. Close the PCIe card latch.
100 SPARC Enterprise T5440 Server Service Manual • June 2011 Note – PCIe names in ILOM messages ar e displa yed with the full FRU name, such as /SYS/MB/PCIE0.
Ser vicing Customer-Replaceab le Units 101 Use the following g uidelines to spr ead the load evenly across CMP/memory modules. If a slot is already populated with a device, install a new device in the next available slot, in the order indicated. Note – These are g uidelines to spr ead out the I/O load acros s multiple CMP/memory module pairs.
102 SPARC Enterprise T5440 Server Service Manual • June 2011 Servicing CMP/Memory Modules This topic includes the followin g: ■ “CMP/Memory Modules Overview” on page 102 ■ “Remove a CMP/Me.
Ser vicing Customer-Replaceab le Units 103 Related Information ■ “CMP and Memory Module Device Identifiers” on page 107 ■ “Supported CMP/Memory Module Configurations” on pag e 107 ■ “I.
104 SPARC Enterprise T5440 Server Service Manual • June 2011 ▼ Remove a CMP/Memory Module Before you begin, complete these tasks: ■ Read the section, “Safety Informa tion” on page 63 . ■ Power off the server , using one of th e methods described in the section, “Powering Off the System” on page 67 .
Ser vicing Customer-Replaceab le Units 105 ▼ Install a CMP/Memory Module Note – If you ar e r eplacing a faulty CMP or memory module, y ou must transfer the FB-DIMMs on the faulty module to the replacement module. Replacement CMP/memory modules do not include FB-DIMM s.
106 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ Power off the server , using one of th e methods described in the section, “Powering Off the System” on page 67 .
Ser vicing Customer-Replaceab le Units 107 CMP and Memory Module Device Identifiers The following table describes device, device identifiers, and supported configurations for CMP and memory modules.
108 SPARC Enterprise T5440 Server Service Manual • June 2011 Related Information ■ “CMP and Memory Module Device Identifiers” on page 107 ■ “Performing Node Reconfiguration” on pag e 159.
Ser vicing Customer-Replaceab le Units 109 a. Press the FB-DIMM fau lt button. See “FB-DIMM Fault Button Locations” on page 1 17 . b. Note which FB-DIMM fault LED is illuminated. 2. Push down on the eject or tabs on each side of the FB-DIMM until the FB-DIMM is released.
110 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ “Power On the Server” on page 157 ▼ V erify FB-DIMM Replacement 1. Access the ILOM - > prompt . Refer to the Integrated Lights Out Manager 3.0 Supplement for the SP ARC Enterprise T5440 Server for instr uctions.
Ser vicing Customer-Replaceab le Units 111 Example: 3. Perform the following steps to ver ify the repair: a. Set t he virtual keyswitch to diag so that POST will run in Service mode. b. Power cycle the system. Note – The server takes about one minute to power off.
112 SPARC Enterprise T5440 Server Service Manual • June 2011 Note – Depending on the configuration of ILOM POST vari ables and whether POST -detected faults or not, the system mi ght boot, or the system might remain at the ok prompt. If t he system is at the ok prompt, type boot .
Ser vicing Customer-Replaceab le Units 113 ▼ Add FB-DIMMs If you are upgr ading the system with a dditional FB-DIMMs, use this pr ocedure. Before you begin, complete these tasks: ■ Read the se ction, “Safety Information” on page 63 .
114 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ “Memory Bank Configurations ” on page 1 14 Supported FB-DIMM Configurations Use these FB-DIMM configuration rules to he lp you pl.
Ser vicing Customer-Replaceab le Units 115 FIGURE: Supported FB-DIMM Configurations Configuration 6 4 x 4 GByte 4 x 4 GByte 4 x 4 GByte 4 x 4 GByte 64 GBytes C o n f i g u r a t i o n 7 4 x 8 G B y t .
116 SPARC Enterprise T5440 Server Service Manual • June 2011 Note – See “FB-DIMM Device Identifiers” on page 1 16 for a list of FB-DIMM device identifiers and the correspond ing slots on the CMP/memory modules.
Ser vicing Customer-Replaceab le Units 117 The FB-DIMM address follows the same convention as the CMP or memory module upon which it is mounted. For example, /SYS/MB/CPU0/CMP0/BR1/CH0/D0 is the device identifier for the FB-DIMM mounted at J792 on CMP module 0.
118 SPARC Enterprise T5440 Server Service Manual • June 2011 Related Information ■ “Managing Faults” on pa ge 1 1 ■ “FB-DIMM Configuration” on pa ge 1 13 ■ “FB-DIMM Device Iden tifie.
119 Servicing Field-Replaceable Units These topics de scribe how to service f ield-r eplaceable unit s (FRUs) in the server . Note – The procedur es in this chapter must be performed by a qualified service technician. Servicing the Fr ont Bezel Y ou must remove the front bezel in order to service the DVD-ROM drive.
120 SPARC Enterprise T5440 Server Service Manual • June 2011 Related Information ■ “Servicing the DVD-RO M Drive” on page 122 ▼ Remove the Front Bezel Before you begin, complete these tasks: ■ Read the section, “Safety Informa tion” on page 63 .
Ser vicing Field-Replaceable Units 121 Note – A void bending the bezel by gradually pulling it fr om the middle and both ends simultaneously . ▼ Install the Fr ont Bezel 1. Align the bezel with the chassis front panel. 2. Press the bezel onto the front panel.
122 SPARC Enterprise T5440 Server Service Manual • June 2011 Servicing the DVD-ROM Drive Y ou must remove the fr ont bezel before servicing the DVD-ROM drive.
Ser vicing Field-Replaceable Units 123 4. Slide the DVD-ROM drive out of the chassis. ▼ Install the DVD-ROM Drive 1. Slide the DVD-ROM drive into its bay . 2. Connect the DVD-ROM drive to the flex cable as sembly . 3. Install the flex cable retainer .
124 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ “Power On the Server” on page 157 Servicing the Service Pr ocessor The service processor module contains the service processor firmwar e, IDPROM, and system battery .
Ser vicing Field-Replaceable Units 125 3. Lift the service processo r up and out of the system. 4. Place the service proces sor on an antistatic mat. Next Steps If you are r eplacing a faulty service proce ssor , you must install the IDPROM onto the new service processo r .
126 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ Install the IDPROM onto the new service pr ocessor . See “Install the IDPRO M” on page 128 . ▼ Install the Service Processor 1. Ensure that the power cords ar e disconnected from the system.
Ser vicing Field-Replaceable Units 127 ■ “Slide the Server Into the Rack” on page 155 ■ “Connect the Power Cords to the Server” on page 157 ■ “Power On the Server” on page 157 Servic.
128 SPARC Enterprise T5440 Server Service Manual • June 2011 2. Place the IDPROM on an antistatic mat. ▼ Install the IDPROM Before you begin, complete these tasks: ■ Read the section, “Safety Informa tion” on page 63 . ■ Power off the server , using one of th e methods described in the section, “Powering Off the System” on page 67 .
Ser vicing Field-Replaceable Units 129 ● Plug the IDPROM into its connector on t he service processor . Ensure that the service pr ocessor is orie nted corr ectly .
130 SPARC Enterprise T5440 Server Service Manual • June 2011 ▼ Install the Battery 1. Place the battery into its hold er on the service processor board. Ensure that the battery is oriented corr ectly . 2. Press the battery firmly unti l it snaps into place.
Ser vicing Field-Replaceable Units 131 Note – Y ou must remove all four po wer suppl ies from th e system. ■ “Perform Electr ostatic Dischar ge – Antistatic Pr evention Measure s” on page 73 ■ “Remove the T op Cover” on page 73 Do the following: 1.
132 SPARC Enterprise T5440 Server Service Manual • June 2011 6. Slide the power distribut ion board up and out of the ch assis. ▼ Install the Power Distribution Board 1. Align the keyholes in the power di st ribution board with the corresp onding mushroom standof fs in the chassis.
Ser vicing Field-Replaceable Units 133 ■ “Power On the Server” on page 157 Servicing the Fan T ray Carriage Y ou must remove the fan tray carriage in order to service the following components: .
134 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ “Remove a CMP/Memory Module” on page 104 Note – Y ou must remove all CPU modules an d memory modules from the system. Do the following: 1. Remove the nine No. 1 Phillips screws se curing the fan tray carriage to the top of the chassis.
Ser vicing Field-Replaceable Units 135 2. Secure the seven captive No. 2 Phillips screws 3. Install the nine No. 1Phillips screws. Next Steps ■ “Install a Fan T ray” on page 88 Note – Install all four fan trays.
136 SPARC Enterprise T5440 Server Service Manual • June 2011 Related Information ■ “Servicing Har d Drives” on page 76 ■ “Servicing the Fan T ray Carriage” on p age 133 ▼ Remove the Hard Drive Backplane Before you begin, complete these tasks: ■ Read the section, “Safety Informa tion” on page 63 .
Ser vicing Field-Replaceable Units 137 4. Lift the backp lane up and o ut of the system. ▼ Install the Har d Drive Backplane 1. Lower the hard drive backpl ane into the system. Align the tab on the lower ed ge the backplane wi th the corresponding slot in the chassis floor .
138 SPARC Enterprise T5440 Server Service Manual • June 2011 2. T ighten the three captive No. 2 Phillips screws. 3. Plug the cable into its connector on t he backplane. 4. Install the flex cable retainer . Place the retainer into position and ti ghten the captive No.
Ser vicing Field-Replaceable Units 139 Servicing the Motherboar d Note – If you are r eplacing faulty motherboard, you must set diag_mode to normal or off before performing this procedur e.
140 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ “Remove the Service Pr ocessor” on page 124 ■ “Remove a CMP/Memory Module” on page 104 Note – Y ou must remove all CMP and memory modules. ■ “Remove a Fan T ray” on page 87 Note – Y ou must remove all four fan trays.
Ser vicing Field-Replaceable Units 141 2. Remove the flex cable retainer . Loosen the captive No.2 Phillips screw an d lift the r etainer up and out of the chassis. 3. Unplug the flex cable from J9801 on the motherboard. 4. Unplug the au xiliary power cab l e from J9803 on the motherboard.
142 SPARC Enterprise T5440 Server Service Manual • June 2011 ▼ Install the Motherboard 1. Ensure that all 14 captive scr ews in the motherboard are retracted. 2. Lower the motherboard down into the chassis. Guide the flex cable connector thr ough the midwall partition.
Ser vicing Field-Replaceable Units 143 Next Steps ■ “Install the Fan T ray Carriage” on page 134 ■ “Install a Fan T ray” on page 88 Note – Install all four fan trays. ■ “Install a CMP/Memory Module” on page 105 Note – Install all CMP and memory modul es.
144 SPARC Enterprise T5440 Server Service Manual • June 2011 Related Information ■ “Servicing the Motherboard” on page 139 Servicing the Flex Cable Assembly The flex cabl e assembly p rovides the powe r and data connection between the power supply backplane, hard drive backplane, and motherboard.
Ser vicing Field-Replaceable Units 145 Related Information ■ “Safety Information” on page 63 ■ “Servicing Power Suppl ies” on page 89 ■ “Servicing the Power Distri bution Board” on p.
146 SPARC Enterprise T5440 Server Service Manual • June 2011 3. Unplug the flex cable-to-power supply backplane conn ection. 4. Unplug the flex cable-to-h ard dri ve backplane connection. 5. Unplug the flex cable-to -DVD-ROM drive connection. 6. Unplug the flex cable- to-motherboard connection.
Ser vicing Field-Replaceable Units 147 6. Install the flex cable retainer . Place the retainer into position and ti ghten the captive No. 2 Phillips scr ew .
148 SPARC Enterprise T5440 Server Service Manual • June 2011 Servicing the Fr ont Control Panel The front contr ol panel contains system status LEDs and the Power button.
Ser vicing Field-Replaceable Units 149 4. Lift the front control panel up and out of the system. 5. Place the front control panel on an antistatic mat.
150 SPARC Enterprise T5440 Server Service Manual • June 2011 2. Install the two No. 2 Phillips screws. 3. Plug the front control panel connector into the front I/O board.
Ser vicing Field-Replaceable Units 151 ■ “Remove the Server From the Rack” on page 71 ■ “Perform Electr ostatic Dischar ge – Antistatic Pr evention Measure s” on page 73 ■ “Remove the T op Cover” on page 73 ■ “Remove a Fan T ray” on page 87 ■ “Remove the Fan T ray Carriage” on page 133 1.
152 SPARC Enterprise T5440 Server Service Manual • June 2011 Next Steps ■ “Install the Fan T ray Carriage” on pag e 134 ■ “Install a Fan T ray” on page 88 ■ “Install the T op Cover.
153 Returning the Server to Operation These topics describe how to return the se rver to operation after you have performed service procedur es. Caution – Never attempt to run the server wi th the cover removed. Hazardous voltage is pres ent. Caution – Equipment damage could occur if yo u run the server with the cover removed.
154 SPARC Enterprise T5440 Server Service Manual • June 2011 ▼ Install the T o p Cover If you removed the top cover , perform t he steps in this procedure. Note – If removing the top cover caused an emergency shutdown, you must in stall the top cover and use the poweron command to restart the syste m.
Returning the Server t o Operation 155 2. Lift the server up and insert the inne r rails into the inner slide assemblies. Ensure that the inner rails ar e horizontal when the inner rails enter the inner slide assemblies. 3. Ensure that the inner r ails are engaged wit h the ball-bearing retainers on both inner slide assemblies.
156 SPARC Enterprise T5440 Server Service Manual • June 2011 FIGURE: Sliding the server into the rack. 2. While pushing on the release buttons, slowly push the server into the rack. Ensure that the cables do not get in the way . 3. If necessary , re-attach the CMA.
Returning the Server t o Operation 157 ▼ Connect the Power Cor ds to the Server ● Reconnect both power cords to the power supplies. Note – As soon as the power cords ar e connected, standby power is applied. Depending on the configuration of the firmware, the syste m might boot.
158 SPARC Enterprise T5440 Server Service Manual • June 2011.
159 Performing Node Reconfiguration If a CMP/memory module pair develops a fault, the server can be r econfigured to run in a deg raded state until the CMP/memo ry module is repla ced. In addition, you can add CMP/memory module pairs to ex isting systems.
160 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ “Servicing CMP/Memory Modules” on pag e 102 ■ “Servicing FB-DIMMs” on pa ge 108 I/O Connections to CMP/Memory Modules Each PCIe slot and on board I/O devic e is connected to o ne CMP module.
P erforming Node Reconfig uration 161 Recovering Fr om a Failed CMP/Memory Module This topic includes the following: ■ “Options for Recoveri ng From a Failed CMP/Memory Module” on pag e 1 61 ■.
162 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ “Servicing FB-DIMMs” on pa ge 108 ■ “ I / O C o n n e c t i o n s t o C M P / M e mo ry Mo d u l es ” o n p ag e 1 6 0 ■ .
P erforming Node Reconfig uration 163 ▼ Reconfigure the I/O and PCIe Fabric The reconfig.pl script reconfig ures the PCIe fabr ic to reconnect the PCIe slots and onboard devices to the CMP nodes as efficiently as possible.
164 SPARC Enterprise T5440 Server Service Manual • June 2011 9. Do one of the following: ■ If your Jumpstart server is exporting Solaris 10 8/07 or Solaris 10 5/08, type: ■ If your Jumpstart server is exporting Solaris 10 10/08, type: 10. Run the reconfig.
P erforming Node Reconfig uration 165 T o remotely disable all FB-DIMMs in the system, do the following: 1. Halt the Solaris OS. 2. P ower off t he sy ste m. 3. Disable each FB-DIMM. where x is the me mory module to be disabled. The followin g example shows how to disable all th e FB-DIMMs o n MEM1.
166 SPARC Enterprise T5440 Server Service Manual • June 2011 wher e x is the CMP/memory module to be enabled. The following example shows how to enable all the FB-DI MMs on MEM1.
P erforming Node Reconfig uration 167 System Bus T o pology Related Information ■ “I/O Fabric in 2P Configuration” on page 168 ■ “I/O Fabric in 4P Configuration” on page 169.
168 SPARC Enterprise T5440 Server Service Manual • June 2011 I/O Fabric in 2P Configuration Related Information ■ “System Bus T opology” on page 167 ■ “I/O Fabric in 4P Configura tion” o.
P erforming Node Reconfig uration 169 I/O Fabric in 4P Configuration Related Information ■ “System Bus T opology” on page 167 ■ “I/O Fabric in 2P Configuration” on page 168 CMP Number Devi.
170 SPARC Enterprise T5440 Server Service Manual • June 2011.
171 Identifying Connector Pinouts This section pr ovides refer ence informatio n about the system back panel ports an d pin assignments . Related Information ■ “Identifying Server Components” on.
172 SPARC Enterprise T5440 Server Service Manual • June 2011 Serial Management Port Connector Pinouts The serial management conn ector (labeled SERIAL MGT) is an RJ-45 connector located on the back panel. This port is th e default connection to the system console.
Identifying Conne ctor Pinouts 173 Network Management Port Connector Pinouts The network management connector (label e d N ET MG T ) i s a n R J- 45 c o n ne ct o r located on the motherboard and can be access ed from the back panel. This port needs to be configured prior to use.
174 SPARC Enterprise T5440 Server Service Manual • June 2011 Serial Port Connector Pinouts The serial port connector (TTY A) is a DB-9 connector that can be accessed fr om the back panel.
Identifying Conne ctor Pinouts 175 USB Connector Pinouts T wo Universal Serial Bus (USB) ports ar e located on the motherboar d in a double-stacked layout and can be accessed fr om the back panel. T wo additional USB ports are located on the front panel.
176 SPARC Enterprise T5440 Server Service Manual • June 2011 Gigabit Ethernet Connector Pinouts Four RJ-45 Gigabit Ethernet connectors (NET0, NET1, NET2, NET3) are located on the system moth erboard and can be accessed fr om the back panel. The Ethernet interfaces operate at 10 Mbit/s ec, 100 Mbit/sec, and 1000 Mbit/sec.
177 Server Components These topics pr ovide illustrations depi ctin g components of SP ARC Enterprise T5440 server . Related Information ■ “Identifying Server Components” on p age 1 ■ “Servi.
178 SPARC Enterprise T5440 Server Service Manual • June 2011 Customer -Replaceable Units FIGURE: Customer-Replaceable Units (CRUs) Figure Legend 1 CMP modules 5 F ront bezel 2 Memor y modules 6 Hard.
Ser ver Components 179 Related Information ■ “Hot-Pluggable and Hot-Swappable Devices” on page 75 ■ “Servicing Har d Drives” on page 76 ■ “Servicing Fan T rays” on page 84 ■ “Ser.
180 SPARC Enterprise T5440 Server Service Manual • June 2011 Field-Replaceable Units FIGURE: Field-Replaceable Units (FRUs) Figure Legend 1 CMP/memo ry module brack et 4 P ow er supply bac kplane 2 .
Ser ver Components 181 FIGURE: Field Replaceable Units (FRUs) (M otherboard and Auxiliary Boar ds) Related Information ■ “Servicing the Se rvice Pr ocessor” on page 124 ■ “Servicing the IDPR.
182 SPARC Enterprise T5440 Server Service Manual • June 2011 ■ “Servicing the Fan T ray Carriage” on p age 133 ■ “Servicing the Hard Drive Backplane” on page 135 ■ “Servicing the Mot.
183 Index Numerics 3.3V standby (power supply rail), 2 A AC Pr esent (power supply LE D), 15, 95 adding CMP/memo ry module, 105 FB-DIMMs, 1 13 PCIe car d, 98 addre sses, device and system configuratio.
184 SP ARC Enter prise T5440 Ser ver Service Manual • June 2011 consolehistory command, 59 D DC OK (power supply LED), 95 device identifiers CMP/memory modules, 10 7 fan tray, 88 FB-DIMMs, 116 hard .
Inde x 185 example POST error output, 46 fault handling, 24 installing, 109 managi ng faults in, 1 10 re-enabling to run system in deg raded state, 165 re moving , 108 troublesho oting, 24 verifying s.
186 SP ARC Enter prise T5440 Ser ver Service Manual • June 2011 hard driv e, 79, 82 hard driv e backplane, 137 IDPRO M, 128 motherboard, 142 PCIe card, 97 power distribution boar d, 1 32 power suppl.
Inde x 187 installing, 97 rem ovi ng, 9 6 PCIe fabric r econfiguration, 163 pinouts Gigabit Ethe rnet ports, 1 76 network management port, 173 serial ma nagement p ort, 1 72 serial port (DB-9), 174 US.
188 SP ARC Enter prise T5440 Ser ver Service Manual • June 2011 service processor, 12 4 reset command, 60 rese t, system using ILOM, 32 using POST commands, 32 resetsc command, 60 S safety informati.
Inde x 189 Power OK LED state, 15 using LEDs, 34 using O racle VTS , 15 using P OST, 15, 1 7 using the show faulty command, 15 U UltraSP ARC T2+ multicore pr ocessor, 2 1 Universal Unique Id entifier .
190 SP ARC Enter prise T5440 Ser ver Service Manual • June 2011.
An important point after buying a device Fujitsu T5440 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Fujitsu T5440 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Fujitsu T5440 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Fujitsu T5440 you will learn all the available features of the product, as well as information on its operation. The information that you get Fujitsu T5440 will certainly help you make a decision on the purchase.
If you already are a holder of Fujitsu T5440, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Fujitsu T5440.
However, one of the most important roles played by the user manual is to help in solving problems with Fujitsu T5440. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Fujitsu T5440 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
