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                        book.book  Page 1  Tuesday, August 25, 2009  1:14 PM
Dell™ PowerEdge™ SC440 Systems
Hardware Owner’s Manual
www.dell.com | support.dell.com                                                                                                                                                                                                                                                                                                                                                                         
                    
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                        book.book  Page 2  Tuesday, August 25, 2009  1:14 PM Notes, Notices, and Cautions  NOTE: A NOTE indicates important information that helps you make better use of your computer.  NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the  problem.  CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death. ____________________ Information in this document is subject to change without notice. © 2006-2009 Dell Inc. All
                    
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                        book.book  Page 3  Tuesday, August 25, 2009  1:14 PM Contents 1 About Your System. . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9 Other Information You May Need . . . . . . . . . . . . . . . . . . . . . . . . . 9 Accessing System Features During Startup. . . . . . . . . . . . . . . . . . .  10 Front-Panel Features and Indicators . . . . . . . . . . . . . . . . . . . . . .  11 Back-Panel Features and Indicators . . . . . . . . . . . . . . . . . . . . . .  13 Connecting External Device
                    
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                        book.book  Page 4  Tuesday, August 25, 2009  1:14 PM 3 Installing System Components . . . . . . . . . . . . . . . . . . . . 39 Recommended Tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  39 Inside the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  40 Opening the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  41 Closing the System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  41 Front Drive Bezel. . . . . . . . 
                    
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                        book.book  Page 5  Tuesday, August 25, 2009  1:14 PM Cooling Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  65 Removing the Cooling Fans . . . . . . . . . . . . . . . . . . . . . . . . .  65 Replacing the Cooling Fans. . . . . . . . . . . . . . . . . . . . . . . . .  67 System Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  67 Removing the System Battery . . . . . . . . . . . . . . . . . . . . . . .  67 Installing the System Battery . . .
                    
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                        book.book  Page 6  Tuesday, August 25, 2009  1:14 PM Troubleshooting a NIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  83 Troubleshooting a Wet System. . . . . . . . . . . . . . . . . . . . . . . . . .  84 Troubleshooting a Damaged System. . . . . . . . . . . . . . . . . . . . . . .  84 Troubleshooting the System Battery. . . . . . . . . . . . . . . . . . . . . . .  85 Troubleshooting Power Supply . . . . . . . . . . . . . . . . . . . . . . . . .  86 Troubleshooting System Cooli
                    
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                        book.book  Page 7  Tuesday, August 25, 2009  1:14 PM System Board Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . .  103 Disabling a Forgotten Password. . . . . . . . . . . . . . . . . . . . . . . .  104 7 Getting Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 Obtaining Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  107 Online Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  107 AutoTech Service . . . . . . . . 
                    
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                        book.book  Page 8  Tuesday, August 25, 2009  1:14 PM 8 Contents                                                                                                                                                                                                                                                                                                                                                                                                                                                     
                    
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                        book.book  Page 9  Tuesday, August 25, 2009  1:14 PM About Your System This section describes the physical, firmware, and software interface features that provide and ensure  the essential functioning of your system. The physical connectors on your system’s front and back  panels provide convenient connectivity and system expansion capability. The system firmware,  applications, and operating system monitor the system and component status and alert you when a  problem arises. System conditions c
                    
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                        book.book  Page 10  Tuesday, August 25, 2009  1:14 PM � Release notes or readme files may be included to provide last-minute updates to the system or  documentation or advanced technical reference material intended for experienced users or  technicians. Accessing System Features During Startup Table 1-1 describes keystrokes that may be entered during startup to access system features. If your  operating system begins to load before you enter the keystroke, allow the system to finish booting, and
                    
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                        book.book  Page 11  Tuesday, August 25, 2009  1:14 PM Front-Panel Features and Indicators Figure 1-1 shows the controls, indicators, and connectors located on the system's front panel. Table 1-2  provides component descriptions. Figure 1-1. Front-Panel Features and Indicators 1 2 3 9 4 8 5 7 6 Table 1-2. Front-Panel Components Item Component Icon Description 1 upper 5.25-inch drive Holds an optical drive. bay 2 lower 5.25-inch drive Holds an optional optical or tape backup unit drive. bay 3 flex
                    
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                        book.book  Page 12  Tuesday, August 25, 2009  1:14 PM Table 1-2. Front-Panel Components (continued) Item Component Icon Description 5 USB connectors (2) Connects USB 2.0-compliant devices to the system. 6 power button The power button controls the DC power supply output to the system. NOTE: If you turn off the system using the power button and the system is  running an ACPI-compliant operating system, the system performs a  graceful shutdown before the power is turned off. If the system is not  
                    
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                        book.book  Page 13  Tuesday, August 25, 2009  1:14 PM Back-Panel Features and Indicators Figure 1-2 shows the controls, indicators, and connectors located on the system's back panel. Figure 1-2. Back-Panel Features and Indicators 1 2 3 4 5 6 7 1 voltage selection switch 2 power connector 3 NIC connector 4 USB connectors (5) 5 serial connector 6 video connector 7 I/O expansion-card slots (5) Connecting External Devices When connecting external devices to your system, follow these guidelines: � Mo
                    
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                        book.book  Page 14  Tuesday, August 25, 2009  1:14 PM � Always attach an external device while your system and the device are turned off. Next, turn on any  external devices before turning on the system (unless the documentation for the device specifies  otherwise). See "Using the System Setup Program" on page 27 for information about enabling, disabling, and  configuring I/O ports and connectors.  NIC Indicator Codes The NIC on the back panel has an indicator that provides information on networ
                    
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                        book.book  Page 15  Tuesday, August 25, 2009  1:14 PM Power Supply Indicators The voltage selection switch on the back panel of the system allows you to select one of two primary  voltage inputs. Ensure that the switch is set to the proper voltage according to Table 1-4. Table 1-4. Voltage Selection Switch If your power source is: The voltage selection switch should be set to: 110 V 115 220 V 230 For information on system power requirements, see "Technical Specifications" in your Getting Started
                    
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                        book.book  Page 16  Tuesday, August 25, 2009  1:14 PM Table 1-5. Diagnostic Indicator Codes (continued) Code Causes Corrective Action Possible video failure. See "Getting Help" on page 107. Diskette drive or hard Ensure that the diskette drive and hard drive  drive failure. are properly connected. See "Hard Drives" on  page 51 or "Diskette Drive" on page 44 for  information on the drives installed in your  system.  Possible USB failure. See "Troubleshooting a USB Device" on  page 82. No memory m
                    
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                        book.book  Page 17  Tuesday, August 25, 2009  1:14 PM  CAUTION: Many repairs may only be done by a certified service technician. You should only perform  troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or  telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your  warranty. Read and follow the safety instructions that came with the product. Table 1-6. System Messages Message Cause
                    
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                        book.book  Page 18  Tuesday, August 25, 2009  1:14 PM Table 1-6. System Messages (continued) Message Causes Corrective Actions Alert! CPU fan failure. The processor cooling fan is faulty or Ensure that the processor cooling shroud  the fan assembly is not installed is properly installed. See  correctly. "Troubleshooting System Cooling  Problems" on page 86 and  "Microprocessor" on page 62. Alert! Error initializing The system encountered a problem See "Troubleshooting Expansion Cards"  PCI Expre
                    
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                        book.book  Page 19  Tuesday, August 25, 2009  1:14 PM Table 1-6. System Messages (continued) Message Causes Corrective Actions Alert! Previous Shutdown The processor or hard drive Ensure that nothing is blocking the  Due to Thermal Event overheated the last time the system airflow vents and that all fans are  was used. working correctly. Also, ensure that the  processor heat sink is properly installed.  See "Microprocessor" on page 62. Alert! Uncorrectable One or more memory modules might See "T
                    
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                        book.book  Page 20  Tuesday, August 25, 2009  1:14 PM Table 1-6. System Messages (continued) Message Causes Corrective Actions Data error The diskette drive or hard drive For the operating system, run the  cannot read the data. appropriate utility to check the file  structure of the diskette drive or hard  drive. See your operating system  documentation for information on  running these utilities. Decreasing available One or more memory modules might Reinstall the memory modules and, if  memory