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Dell PowerEdge 750 Installation and Troubleshooting Guide

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1. K NOTE Several configurations for memory modules exist see Memory Module Installation Guidelines in Installing System Options c Swap the memory module in socket DIMM1_A with another of the same capacity See Installing Memory Modules in Installing System Options d Close the system See Closing the System 9 Reconnect the system to its electrical outlet and turn on the system and attached peripherals 10 As the system boots observe the monitor screen and the indicators on the keyboard 11 Repeat step 8 through step 10 for each memory module installed If the problem persists see Getting Help 12 Run the system memory test in the system diagnostics See Running the System Diagnostics If the test fails see Getting Help Troubleshooting the Processor Problem Error message indicates a processor problem I A heat sink is not installed for the processor Action CAUTION See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Runthe appropriate online diagnostics test See Using Server Administrator Diagnostics in Running the System Diagnostics 2 Open the system See Opening the System 3 Ensure that the processor and heat sink are properly installed See Replacing the Processor in Installing System Options 4 Close the system See Closing the System 5 Run
2. securing clips m heat sink posts 4 processor 74 NOTE When removing the heat sink the possibility exists that the processor might adhere to the heat sink and be removed from the socket It is recommended that you remove the heat sink while the processor is still warm 6 Remove the heat sink a Gently rotate the heat sink side to side before lifting the heat sink from the processor b If the processor is removed from the socket with the heat sink twist or slide the processor off of the heat sink Do not pry the processor off of the heat sink C Setthe heat sink upside down so as not to contaminate the thermal grease 7 Pull the socket release lever straight up until the processor is released from the socket See Figure 6 10 8 Lift the processor out of the socket and leave the release lever up so that the socket is ready for the new processor o NOTI CE Be careful not to bend any of the pins when removing the processor Bending the pins can permanently damage the processor 9 Unpack the new processor If any of the pins on the processor appear bent see Getting Help 10 Align the pin 1 corner of the processor with the pin 1 corner of the ZIF socket See Figure 6 10 K NOTE Identifying the pin 1 corners is critical to positioning the processor correctly Identify the pin 1 corner of the processor by locating the tiny gold triangle on one corner of the processor Place this corner in the same corner of the ZIF
3. 4 Close the system See Closing the System in Troubleshooting Your System Processor It is possible to upgrade your processor to take advantage of future options in speed and functionality Each processor and its associated internal cache memory are contained in a pin grid array PGA package that is installed in a ZIF socket on the system board The following items are included in the processor upgrade kit Processor Heat sink Replacing the Processor A CAUTION See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Open the system See Opening the System in Troubleshooting Your System NOTI CE The processor and heat sink can become extremely hot Be sure the processor has had sufficient time to cool before handling 2 Removethe cooling shroud See Removing the Cooling Shroud 3 Pushing down with one hand on the securing clip s rubber coated tab use the other hand to slide the latch on the securing clip away from the heat sink post to release the securing clip See Figure 6 9 4 Remove the securing clip NOTI CE Never remove the heat sink from a processor unless you intend to remove the processor The heat sink is necessary to maintain proper thermal conditions 5 Repeat step 3 and step 4 to remove the other securing clip Figure 6 9 Installing and Removing the Securing Clip latch
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5. ensure that the controller is properly connected If the problem persists replace the diskette CD drive subsystem See Removing the Optional Diskette Drive in Installing Drives If the problem persists replace the faulty hard drive See Hard Drives in Installing Drives Check the hard drive configuration settings in the System Setup program See Using the System Setup Program in your User s Guide See Getting Help Use a bootable diskette If the problem persists see Troubleshooting the Diskette Drive Troubleshooting the CD Drive Troubleshooting a SATA Hard Drive or Troubleshooting a SCSI Hard Drive in Troubleshooting Your System for the appropriate drive s installed in your system Use a bootable diskette Ensure that all appropriate cables are securely connected to the expansion cards See Troubleshooting Expansion Cards in Troubleshooting Your System Install the NVRAM_CLR jumper and reboot the system See Figure A 2 for jumper location Check for a BIOS update If the problem persists see Troubleshooting Expansion Cards in Troubleshooting Your System If the problem persists see Troubleshooting the System Board Ensure that the CD drive cables are properly connected See Troubleshooting the CD Drive Replace the diskette Ensure that the diskette CD and hard drive cables are properly connected See Troubleshooting the Diskette Drive Troubleshooting the C
6. servers toll free 0080 60 1256 002 Transaction Sales toll free 0080 651 228 Country Code 886 Corporate Sales toll free 0080 651 227 Thailand Technical Support toll free 0880 060 07 International Access Code Customer Service Penang Malaysia 604 633 4949 001 international Access Coder 00 Customer Care website support euro dell com uk en ECare Form Home asp Country Code 44 E mali deli dre sporge T_T DellNet Service and Support toll free 1 877 Dellnet 1 877 335 5638 Financial Services website www dellfinancialservices com Business to Dell Sales toll free 1 800 289 3355 or toll free 1 800 879 3355 Dell Services for the Deaf Hard of Hearing or Speech I mpaired toll free 1 877 DELLTTY 1 877 335 5889 U S Virgin Islands General Support 1 877 673 3355 Venezuela General Support 8001 3605 Back to Contents Page Back to Contents Page Dell PowerEdge 750 Systems Installation and Troubleshooting Guide Notes Notices and Cautions Abbreviations and Acronyms Notes Notices and Cautions K 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 A CAUTION A CAUTION indicates a potential for property damage personal injury or death Abbreviations and Acronyms For a complet
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8. Dell PowerEdge 750 Systems Installation and Troubleshooting Guide Before You Begin Troubleshooting Errors and Conflicts Software problems can be caused by Improper installation or configuration of an application Application conflicts Input errors Interrupt assignment conflicts Ensure that you are installing the software application according to the software manufacturer s recommended procedures If a problem occurs after you install the software you might need to troubleshoot your software application and your system See the documentation that accompanied the software or contact the software manufacturer for detailed troubleshooting information K NOTE If all of the system diagnostic tests complete successfully then the problem is most likely caused by the software and not the hardware Before You Begin Scan the software media with antivirus software Read the software documentation before you run the installation utility Be prepared to respond to prompts from the installation utility The installation utility may require you to enter information about your system such as how the operating system is configured and the type of peripherals that are connected to the system Have this information available before running the installation utility Troubleshooting Errors and Conflicts While configuring and running software problems might occur that are caused by input errors application c
9. Dell Enterprise Training and Certification is available see www dell com training for more information This service may not be offered in all locations Back to Contents Page Back to Contents Page Indicators Messages and Codes Dell PowerEdge 750 Systems Installation and Troubleshooting Guide Front Panel Indicators and Features Back Panel Indicators and Features System Messages System Beep Codes Warning Messages Diagnostics Messages Alert Messages The system applications and operating systems can identify problems and alert you to them Any of the following can indicate when the system is not operating properly System indicators System messages I Beep codes Warning messages Diagnostics messages I Alert messages This section describes each type of message lists the possible causes and provides steps to resolve any problems indicated by a message The system indicators and features are illustrated in this section Front Panel I ndicators and Features Figure 2 1 shows the front panel indicators for the system status and hard drive activity The power button has a status indicator built into the button Also the optional CD and diskette drives have activity indicators Table 2 1 details the conditions associated with each front panel indicator code Figure 2 1 Front Panel Features blue am ber system status indicator hard drive indicator USB connector NN video connector 7
10. N y power button QS s D CD drive optional system identification button NMI button bezel latches 2 diskette drive optional Table 2 1 Front Panel Indicator Codes Indicator Type Activity Indicator Indicator Code Blue blinking The system is identifying itself due to the pressing of the identification button NOTE Systems management software causes the indicator to blink to identify the system Amber blinking Indicates a fault with the system Hard drive Green blinking Indicates hard drive activity The power button provides the ability to soft switch the power cycling to the system I The two system identification buttons on the front and back panels can be used to locate a particular system within a rack When one of these buttons is pushed or the system management software is used to identify the system the blue system status indicators on the front and back of the system blink To stop the indicator from blinking press one of the identification buttons a second time or use the systems management software The front panel also incorporates a USB connector and a video connector See Figure 2 1 Back Panel Indicators and Features Figure 2 2 shows the back panel indicators and features and Figure 2 3 shows the indicators for the integrated network adapters Table 2 2 details the conditions associated with each back panel indicator code Figure 2 2 Back Panel Features serial
11. Options Testing Option Function Quick Tests Performs a quick check of the system Select Test All Devices and then select Quick Tests This option runs device tests that do not require user interaction Use this option to quickly identify the source of your problem Test One Device Tests a particular device Extended Tests Performs a more thorough check of the system Select Test All Devices and then select Extended Tests Advanced Testing Checks a particular area of the system Information and Displays test results Results Program Options Sets various test parameters Device Displays an overview of the devices in the system Configuration Exit to MS DOS Exits the diagnostics and returns to the System Utilities menu Using the Advanced Testing Options When you select Advanced Testing from the Diagnostics menu the main screen of the diagnostics appears and displays the following information I Two lines at the top of the screen identify the diagnostics utility the version number and the system s service tag number I The left side of the screen under Device Groups lists the diagnostic device groups in the order that they are tested if you select All under the Run Tests submenu Press the up or down arrow keys to highlight a particular device group Press the left or right arrow keys to select the options on the menu As you move from one menu option to another a brief explanation of the high
12. Removing the Power Supply P1 connector P2 connector power supply pins 4 P3 connector fs T V Es securing brackets 4 Installing the Power Supply 1 Lower the power supply into the chassis and slide it backward until the four pins on the power supply are engaged into the securing brackets 2 Tighten the captive screw at the front of the power supply that secures the power supply to the chassis 3 Connect the following power supply cables a P3 to the hard drive cable harness b P2 to the system board connector CN2 C P1 to the system board connector CN3 4 Close the system See Closing the System in Troubleshooting Your System Expansion Cards The system supports up to two PCI expansion cards which are installed in connectors on a riser board The upper slot supports PCI 32 bit 33 MHz 5 0 V expansion cards and the lower slot supports PCI X 64 bit 66 MHz 3 3 V expansion cards See Figure A 4 If you are installing a remote access controller card it must be installed in the upper slot of the riser board Install most RAID controller cards and SCSI controllers in the lower slot Installing an Expansion Card CAUTION See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Open the system See Opening the System in Troubleshooting Your System 2 Remove the expansion card retainer adj
13. cause If you are still unable to resolve the problem see Getting Help Table 2 4 Server Module Beep Codes 1 1 2 See Troubleshooting the Processor in Troubleshooting Your System 1 1 3 Faulty system board See Troubleshooting the System Board in Troubleshooting Your System oar Ta Reflash the BIOS 1 2 1 Faulty system board See Troubleshooting the System Board in Troubleshooting Your System faulty system board 1 2 2 See Troubleshooting System Memory in Troubleshooting Your System of main memory main memory main memory memory 2 1 1 Bit failure in the first 64 KB of main through memory 2 4 4 3 1 1 Faulty system board See Troubleshooting the System Board in Troubleshooting Your System 4 2 4 See Troubleshooting Expansion Cards in Troubleshooting Your System 4 3 1 See Troubleshooting System Memory in Troubleshooting Your System modules 4 3 2 Install a memory module in the first memory module connector See Installing Memory Modules memory module connector and Memory Module Installation Guidelines in Installing System Components 4 3 3 Faulty system board See Troubleshooting the System Board in Troubleshooting Your System 4 3 4 See Troubleshooting System Memory in Troubleshooting Your System If the problem persists see Troubleshooting the System Board in Troubleshooting Your System 4 4 1 Faulty system board See Troubleshooting the System Boar
14. connector security lock slot video connector USB connectors 2 NIC1 connector mouse connector NIC2 connector keyboard connector power supply connector PCI slot 5 V PCI X slot 3 3 V system identification button blue am ber status indicator Figure 2 3 Network Adapter Indicators linkindicator activity indicator Table 2 2 Back Panel LED Codes LED Normal Operation Error Condition Indicator Blue blinking The system is identifying itself due to the pressing of the identification button NOTE Systems management software causes the indicator to blink to identify the system Amber blinking Indicates a fault with the system NIC activity Flashing amber indicates network data is being sent or When this indicator is off at the same time that the link indicator is off the received network adapter is not connected to the network NIC link Steady green indicates that the network adapter is When this indicator is off at the same time that the activity indicator is off the connected to a valid link partner on the network network adapter is not connected to the network System Messages System messages appear on the screen to notify you of a possible problem with the system Table 2 3 lists the system messages that can occur and the probable cause and corrective action for each message NOTE If you receive a system message that is not listed in Table
15. device with a comparable device 7 Turn on the system and the USB device If the problem is resolved replace the USB device See Getting Help If the problem persists see Getting Help Troubleshooting a Network Adapter Problem 1 Network adapter cannot communicate with network Action 1 Run the appropriate online diagnostic test See Using Server Administrator Diagnostics in Running System Diagnostics If the tests fail continue to the next step 2 Check the appropriate indicator on the NIC connector See Table 2 2 in Indicators Messages and Codes If the link indicator does not light check all cable connections I If the activity indicator does not light the network driver files might be damaged or missing Remove and reinstall the drivers if applicable See the network adapter s documentation 1 Change the autonegotiation setting if possible I Use another connector on the switch or hub If you are using a network adapter card instead of an integrated network adapter see the documentation for the network adapter card 3 Ensure that the appropriate drivers are installed and the protocols are bound See the network adapter s documentation 4 Enter the System Setup program and confirm that the network adapters are enabled See Using the System Setup Program in your User s Guide 5 Ensure that the network adapters hubs and switches on the network are all set to the same data transmission spee
16. levers 2 wo power cable cabletray qu securing posts 2 hard drive 1 data cable Installing a Fan Assembly 1 Align the holes in the fan assembly with the two fan assembly securing posts 2 Lower the fan assembly until the release levers snap onto the securing posts 3 Route the hard drive 1 data cable in the fan assembly cable tray 4 Reconnect the hard drive 1 data cable to the hard drive 5 Reconnect the fan assembly power cable to the connector on the system board See Figure 6 4 6 Install the cooling shroud See Installing the Cooling Shroud 7 Close the system See Closing the System in Troubleshooting Your System Power Supply The system supports a single nonredundant power supply Removing the Power Supply CAUTI ON See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Open the system See Opening the System in Troubleshooting Your System 2 Disconnect the following power supply cables a P3 from the hard drive cable harness b P2 from system board connector CN2 C P1 from system board connector CN1 3 Loosen the captive screw at the front of the power supply that secures the power supply to the chassis See Fiqure 6 5 4 Slide the power supply forward and lift straight up to remove the power supply from the chassis Figure 6 5 Installing and
17. packing materials You are responsible for paying shipping expenses You are also responsible for insuring any product returned and you assume the risk of loss during shipment to Dell Collect on delivery C 0 D packages are not accepted Returns that are missing any of the preceding requirements will be refused at our receiving dock and returned to you Before You Call K NOTE Have your Express Service Code ready when you call The code helps Dell s automated support telephone system direct your call more efficiently Remember to fill out the Diagnostics Checklist If possible turn on your system before you call Dell for technical assistance and call from a telephone at or near the computer You may be asked to type some commands at the keyboard relay detailed information during operations or try other troubleshooting steps possible only at the computer system itself Ensure that the system documentation is available A CAUTI ON Before servicing any components inside your computer see your System Information Guide for important safety information Diagnostics Checklist Name Date Address Phone number Service Tag bar code on the back of the computer Express Service Code Return Material Authorization Number if provided by Dell support technician Operating system and version Peripherals Expansion cards Are you connected to a network Yes No Network version and network card Programs and ve
18. populated See Memory Module Installation Guidelines in Installing System Components See Getting Help Ensure that the keyboard is properly connected If the problem persists replace the keyboard If the problem persists see Troubleshooting the System Board in Troubleshooting Your System Ensure that all memory modules are properly installed See Troubleshooting System Memory in Troubleshooting Your System If the problem persists see Troubleshooting the System Board Memory double word logic failure at address value expecting value read Memory odd even logic failure at start address to end address Memory write read failure at address expecting value read value Memory allocation error Memory bank population error Memory parity interrupt at address Memory tests terminated by keystroke No boot device available No boot sector on hard disk drive No timer tick interrupt Non system disk or disk error Not a boot diskette PCI BIOS failed to install Plug amp Play Configuration Error Primary drive n configuration error Primary drive n failure Read fault Requested sector not found Reset failed Faulty application program Memory modules are not installed in identical pairs faulty memory module s Faulty or improperly installed memory modules The spacebar was pressed during POST to terminate
19. provides troubleshooting procedures for external devices attached to the system such as the monitor keyboard or mouse Before you perform any of the procedures see External Connections Troubleshooting the Video Subsystem Problem Monitor is not working properly I Video memory is faulty Action 1 Check the system and power connections to the monitor 2 Determine whether the system has monitors attached to both the front and rear video connectors The system supports only one monitor attached to either the front or rear video connector When a monitor is connected to the front panel the back panel video connector is disabled two monitors are attached to the system disconnect one monitor If the problem is not resolved continue to the next step 3 Check the system and power connections to the monitor 4 Run the appropriate online diagnostic test See Using Server Administrator Diagnostics in Running System Diagnostics If the tests run successfully the problem is not related to video hardware See Finding Software Solutions If the tests fail see Getting Help Troubleshooting the Keyboard Problem System message indicates a problem with the keyboard 1 Keyboard is not functioning properly Action 1 Run the appropriate online diagnostic test See Using Server Administrator Diagnostics in Running System Diagnostics If the test fails continue to the next step 2 Determine whet
20. socket identified by a corresponding triangle 11 Install the processor in the socket Figure 6 10 Installing and Removing the Processor in the Socket processor pin 1 corner ue dd socket release lever gt pin 1 corner of socket N gt ZIF socket NOTI CE Positioning the processor incorrectly can permanently damage the processor and the system when you turn it on When placing the processor 12 13 14 T5 16 Lh 18 19 20 in the socket be sure that all of the pins on the processor enter the corresponding holes Be careful not to bend the pins If the release lever on the processor socket is not positioned all the way up move it to that position With the pin 1 corners of the processor and socket aligned set the processor lightly in the socket making sure all pins are matched with the correct holes in the socket Because the system uses a ZIF processor socket do not use force which could bend the pins if the processor is misaligned When the processor is positioned correctly it drops down into the socket with minimal pressure When the processor is fully seated in the socket rotate the socket release lever back down until it snaps into place securing the processor Install the heat sink a Using a clean lint free cloth remove the existing thermal grease from the heat sink K NOTE Use the heat sink that you removed in step 6 b Apply thermal grease evenly to the top of the proc
21. the memory test Faulty or missing diskette or CD drive subsystem hard drive or hard drive subsystem An operating system is not on the hard drive Faulty system board Faulty diskette diskette CD drive assembly hard drive or hard drive subsystem no operating system on diskette or hard drive Not a bootable diskette Loose cables to expansion card s faulty or improperly installed expansion card Error encountered in initializing PCI device faulty system board Faulty or improperly installed hard drive Faulty diskette diskette drive CD drive or hard drive Improperly connected drive interface or power cable Restart the application program Ensure that the memory modules are properly installed See Memory Module Installation Guidelines in Installing System Components If the problem persists see Troubleshooting System Memory in Troubleshooting Your System Ensure that all memory modules are properly installed See Memory Module Installation Guidelines in Installing System Components If the problem persists see Troubleshooting System Memory in Troubleshooting Your System Information only Check the Integrated Devices configuration settings in the System Setup program See Using the System Setup Program in your User s Guide Ensure that either SCSI Controller Diskette Controller or Integrated Drive Controller is enabled If the system is booting from a SCSI controller
22. until it snaps into place See Figure 5 3 3 Tighten the two captive screws at the back of the system to secure the cover 4 To replace the bezel See Figure 5 2 a Align the hole in the left side bezel securing tab with the tab on the front panel b While rotating the bezel toward the front panel slide the bezel toward the key lock until the bezel snaps into place 5 Reconnect the system to the electrical outlet and turn on the system Troubleshooting a Wet System Problem Liquid spilled on the system Excessive humidity Action CAUTION See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Turn off the system and attached peripherals and disconnect the system from the electrical outlet 2 Open the system See Opening the System 3 Remove all expansion cards installed in the system See Removing an Expansion Card in Installing System Options 4 Let the system dry thoroughly for at least 24 hours 5 Close the system See Closing the System 6 Reconnect the system to the electrical outlet and turn on the system and attached peripherals the system does not start properly see Getting Help 7 Ifthe system starts properly shut down the system and reinstall all of the expansion cards that you removed See Installing an Expansion Card in Installing System Options 8 Run the syst
23. 2 3 check the documentation for the application that is running when the message appears or the operating system s documentation for an explanation of the message and recommended action Table 2 3 System Messages Faulty diskette CD or hard Ensure that the diskette CD and hard drive cables are properly connected See drive subsystem defective Troubleshooting the Diskette Drive Troubleshooting the CD Drive Troubleshooting a SATA Addrass mark not found system board Hard Drive or Troubleshooting a SCSI Hard Drive in Troubleshooting Your System for the appropriate drive s installed If the problem persists the system board may be defective See Troubleshooting the System Board The chassis has been Information only opened Alert Cover was previously removed Specified fan is faulty or the Ensure that the fan assembly is properly installed See Troubleshooting a Fan in fan assembly is not installed Troubleshooting Your System Alert CPU fan was not correctly detected Alert Memory fan was not detected Alert PCI fan was not detected Unsupported or faulty Ensure that the memory modules are properly populated See Memory Module Installation Alert DIMM s n are unsupported Alert configuration When using a single hard disk drive SATA Port 0 must be used Invalid Alert Mismatched DIMMs are detected in Ba
24. ATA Hard Drive or Troubleshooting a SCSI Hard Drive in Troubleshooting Your System for the appropriate drive s installed in your system Ensure that all memory modules are properly installed See Troubleshooting System Memory in Troubleshooting Your System Run the System Setup program to correct the settings See Using the System Setup Program in your User s Guide Replace the diskette Ensure that the diskette and CD cables are properly connected See Troubleshooting the Diskette Drive Troubleshooting the CD Drive in Troubleshooting Your System Replace the diskette Ensure that the diskette and CD cables are properly connected See Troubleshooting the Diskette Drive Troubleshooting the CD Drive in Troubleshooting Your System If the problem persists see Troubleshooting the System Board Diskette write protect feature enabled Diskette write protected Diskette missing or improperly inserted in Drive not ready diskette drive Faulty or improperly installed remote access controller prubeddeduservet RAC or loose cable connection management error Faulty or improperly installed RAC or loose cable Embedded server connection management is not present Two RACS are installed or faulty or improperly installed RAC Error More than one RAC detected system halted Faulty or improperly installed RAC Error Remote
25. Access Card initialization failure The RAC is not installed in the proper PCI slot Error RAC is not in the correct PCI slot system halted Add in video card is installed Error RAC cannot be used with an add in video card in this slot Faulty keyboard controller faulty system board Gate A20 failure Operating system corrupted or improperly installed General failure Incorrect configuration settings in System Setup Hard disk controller program failure Faulty or improperly installed hard drive or loose power cable Incorrect configuration settings in System Setup IDE CD ROM drive not program found Faulty or improperly installed CD drive loose or faulty cable Memory module installation guidelines have not been Invalid memory properly followed configuration detected Potential corruption exists Faulty keyboard controller faulty system board Keyboard controller failure Loose or improperly connected keyboard cable faulty keyboard faulty Keyboard data line i keyboard controller failure Keyboard failure Keyboard stuck key failure Faulty or improperly installed memory modules or faulty Memory address line system board failure at address read value expecting value Move the write protect tab on the diskette to disable the write protect feature Reinsert or replace the diskette Ensure that the RAC s cable is properly connected Ensure that the RAC is p
26. D Drive Troubleshooting a SATA Hard Drive or Troubleshooting a SCSI Hard Drive in Troubleshooting Your System for the appropriate drive s installed in your system Ensure that the interface and power cables are securely connected See Troubleshooting the Diskette Drive and Troubleshooting the CD Drive in Troubleshooting Your System Faulty or improperly installed expansion card ROM bad checksum address Faulty or improperly installed hard drive SATA port n hard disk drive auto sensing error SATA port n hard disk drive configuration error SATA port n hard disk drive failure Incorrect configuration settings in the System Setup program The drive is set as SATA port n hard drive 5 i F Auto without a disk installed not found Faulty diskette or hard drive Sector not found Seek error Seek operation failed Shutdown test failure Shutdown failure Faulty battery faulty system board Time of day clock stopped Incorrect Time or Date settings faulty system battery Time of day not set please run SETUP program Faulty system board Timer chip counter 2 failed Faulty or improperly installed memory modules or faulty Unexpected interrupt in system board protected mode Processor is not supported by the system Unsupported CPU stepping detected lt F10 gt key was pressed during POST but no utility partit
27. Dell PowerEdge 750 Systems Installation and Troubleshooting Guide Introduction Indicators Messages and Codes Finding Software Solutions Running the System Diagnostics Troubleshooting Your System Installing System Components Installing Drives Getting Help Jumpers Switches and Connectors I O Connectors Abbreviations and Acronyms L NOTE A NOTE indicates important information that helps you make better use of your computer NOTI CE A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem A CAUTI ON A CAUTI ON indicates a potential for property damage personal injury or death Information in this document is subject to change without notice 2003 Dell Inc All rights reserved Reproduction in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell the DELL logo PowerEdge PowerApp PowerVault PowerConnect Dell OpenManage DellNet Axim Dell Precision Dimension Inspiron OptiPlex and Latitude are trademarks of Dell Inc Intel is a registered trademark of Intel Corporation Microsoft and MS DOS is a registered trademark of Microsoft Corporation Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names othe
28. Quick Tests in the system diagnostics See Running the System Diagnostics If the test fails continue to the next step 6 Open the system See Opening the System 7 Replace the processor See Replacing the Processor 8 Close the system See Closing the System 9 Run Quick Tests in the system diagnostics See Running the System Diagnostics If the tests fail or the problem persists see Getting Help Troubleshooting the System Board Problem Error message indicates a system board problem Action 1 Openthe system See Opening the System 2 Remove the expansion cards if installed See Removing an Expansion Card in Installing System Components 3 Close the system See Closing the System 4 Run the system board tests in the system diagnostics See Running the System Diagnostics If the tests do not run successfully see Getting Help 5 Open the system See Opening the System 6 Reinstall the one of the expansion cards that you removed in step 2 See Installing an Expansion Card in Installing System Components 7 Close the system See Closing the System 8 Run the system board tests again If the tests do not complete successfully the expansion card might be faulty See Getting Help If the tests complete successfully repeat step 5 through step 8 for the remaining expansion card if applicable Back to Contents Page Back to Contents Page Instal
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30. acent to the PCI slots See Figure 6 6 3 Remove the filler bracket on the slot you will be using NOTE Keep this bracket if you need to remove the expansion card Filler brackets must be installed over empty expansion card slots to maintain Federal Communications Commission FCC certification of the system The brackets also keep dust and dirt out of the system and aid in proper cooling and airflow inside the system 4 Insert the expansion card firmly into the expansion card connector on the riser board until the card is fully seated being careful not to remove the riser board from the system board K NOTE Ensure that the expansion card bracket is also inserted into the securing slot on the chassis s back panel 5 Replace the expansion card retainer See Figure 6 6 6 Connect any internal or external cable s to the expansion card 7 Close the system See Closing the System in Troubleshooting Your System Figure 6 6 Installing and Removing Expansion Cards expansion card retainer PCI slot 1 PCI slot 2 expansion card expansion card connector on riser board Removing an Expansion Card CAUTION See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Open the system See Opening the System in Troubleshooting Your System 2 Disconnect any internal or external cable s that are connected
31. agnostics To access the online diagnostics log into the Server Administrator home page and then click the Diagnostics tab For information about using diagnostics see the online help For additional information see the Server Administrator User s Guide System Diagnostics Features The system diagnostics provides a series of menus and options for particular device groups or devices The system diagnostics menus and options allow you to I Run tests individually or collectively Control the sequence of tests Repeat tests Display print or save test results Temporarily suspend testing if an error is detected or terminate testing when a user defined error limit is reached View help messages that briefly describe each test and its parameters View status messages that inform you if tests are completed successfully View error messages that inform you of problems encountered during testing When to Use the System Diagnostics If a major component or device in the system does not operate properly component failure may be indicated As long as the processor and the system s input output devices monitor keyboard and diskette drive are functioning you can use the system diagnostics to help identify the problem Running the System Diagnostics The system diagnostics can be run either from the utility partition on your hard drive or from a set of diskettes that you create using the Dell OpenManage Server Assis
32. aining for more information This service may not be offered in all locations Problems With Your Order If you have a problem with your order such as missing parts wrong parts or incorrect billing contact Dell for customer assistance Have your invoice or packing slip available when you call See the contact information for your region Product Information If you need information about additional products available from Dell or if you would like to place an order visit the Dell website at www dell com For the telephone number to call to speak to a sales specialist see the contact information for your region Returning Items for Warranty Repair or Credit Prepare all items being returned whether for repair or credit as follows 1 Call Dell to obtain a Return Material Authorization Number and write it clearly and prominently on the outside of the box For the telephone number to call see the contact information for your region 2 Include a copy of the invoice and a letter describing the reason for the return 3 Include a copy of any diagnostic information including the Diagnostics Checklist indicating the tests you have run and any error messages reported by the system diagnostics 4 Include any accessories that belong with the item s being returned such as power cables media such as CDs and diskettes and guides if the return is for credit 5 Pack the equipment to be returned in the original or equivalent
33. an Expansion Card in Installing System Options Close the system See Closing the System Run the diskette drive tests to see whether the diskette drive works correctly Repeat step 13 through step 16 until all expansion cards are reinstalled or one of the expansion cards causes the tests to fail If the problem is not resolved see Getting Help Troubleshooting the CD Drive Problem System cannot read data from a CD CD drive indicator does not blink during boot Action 1 Try using a different CD that you know works properly 2 Enter the System Setup program and ensure that the drive s controller is enabled See Using the System Setup Program in the User s Guide 3 Run the appropriate online diagnostic test See Using Server Administrator Diagnostics in Running System Diagnostics 4 Run the IDE devices tests in the system diagnostics to determine whether the drive works correctly See Running the System Diagnostics If the tests fail continue to the next step 5 Open the system See Opening the System CAUTI ON See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 6 Ensure that the CD interface cable is securely connected to the CD drive and to the system board 7 Ensure that a power cable is properly connected to the drive 8 Close the system See Closing the System 9 Reconnect the system to th
34. are connected to a controller card 4 Loosen the captive screw that secures the hard drive carrier to the chassis See Figure 7 3 Figure 7 3 Removing the Hard Drive Carrier intertace cable hard drive carrier power cable Captive screw notches 4 tabs 4 5 Slide the hard drive carrier backward and lift the carrier out of the chassis 6 Using a 2 Phillips screwdriver remove the four screws that secure the hard drive to the carrier and remove the drive from the carrier See Figure 7 4 Figure 7 4 Removing the Hard Drive From the Drive Carrier hard drive AD screws 4 mounting holes 4 Installing a Hard Drive 1 Align the hard drive mounting holes with the holes in the drive carrier 2 Using a 2 Phillips screwdriver install the four screws that secure the hard drive to the carrier See Figure 7 4 3 Align the hard drive carrier so that the tabs on the chassis slide into the notches in the carrier See Figure 7 3 4 Slide the carrier forward until it stops 5 Tighten the captive screw that secures the hard drive carrier to the chassis 6 Connect the power and interface cables to the new drive The interface cables for SATA hard drives are connected to the system board See Figure A 3 for the location of the system board connectors The interface cables for SCSI hard drives are connected to a controller card 7 Install the CD drive or optional diskette drive Install the CD drive if
35. correct configuration settings in System Setup program Faulty or improperly installed diskette loose diskette or CD interface cable or loose power cable Faulty or improperly inserted diskette Faulty diskette or CD drive controller Guidelines in Installing System Components If the problem persist see Troubleshooting System Memory in Troubleshooting Your System Ensure that the drive s interface cable is connected to the SATA_PORT_0 connector on the system board See Figure A 3 for connector locations Ensure that the memory modules are properly populated See Memory Module Installation Guidelines in Installing System Components Information only Information only Ensure that the fan assembly is properly installed See Troubleshooting a Fan in Troubleshooting Your System Information only Disable OS Install Mode in the System Setup program See Using the System Setup Program in your User s Guide Replace the mouse If the problem persists replace the keyboard Retry the BIOS update If the problem persists see Getting Help Check the System Setup configuration settings See Using the System Setup Program in your User s Guide Remove the NVRAM_CLR jumper See Figure A 2 for jumper location Replace the diskette Ensure that the diskette CD and hard drive cables are properly connected See Troubleshooting the Diskette Drive Troubleshooting the CD Drive Troubleshooting a S
36. d See the network equipment documentation 6 Ensure that all network cables are of the proper type and do not exceed the maximum length See Network Cable Requirements in your User s Guide Responding to a Systems Management Software Alert Message Systems management software monitors critical system voltages and temperatures fans and hard drives in the system Alert messages appear in the Alert Log window For information about the Alert Log window see the systems management software documentation Inside the System In Figure 5 1 the bezel and system cover are removed to provide an interior view of the system Figure 5 1 Inside the System PCI expansion card optional riser board processor and heat sink memory modules 4 CD drive optional power supply hard drive 0 fan assembly control panel hard drive 1 diskette drive optional The system board holds the system s control circuitry and other electronic components Several hardware options such as the processor and memory are installed directly on the system board Using a riser board the system can accommodate up to two expansion cards The upper slot supports PCI 32 bit 33 MHz 5 0 V expansion cards and the lower slot supports PCI X 64 bit 66 MHz 3 3 V expansion cards The hard drive bays provide space for up to two SATA or SCSI drives an optional CD drive and an optional diskette drive The SCSI hard drives must be connected to a c
37. d in Troubleshooting Your System oar 4 4 4 Cache test failure faulty processor See Troubleshooting the Processor in Troubleshooting Your System Warning Messages A warning message alerts you to a possible problem and prompts you to respond before the system continues a task For example before you format a diskette a message will warn you that you may lose all data on the diskette Warning messages usually interrupt the task and require you to respond by typing y yes or n no K NOTE Warning messages are generated by either the application or the operating system For more information see Finding Software Solutions and the documentation that accompanied the operating system or application Diagnostics Messages When you run system diagnostics an error message may result Diagnostic error messages are not covered in this section Record the message on a copy of the Diagnostics Checklist in Getting Help and then follow the instructions in that section for obtaining technical assistance Alert Messages Systems management software generates alert messages for your system Alert messages include information status warning and failure messages for drive temperature fan and power conditions For more information see the systems management software documentation Back to Contents Page Back to Contents Page Finding Software Solutions
38. e electrical outlet and turn on the system and attached peripherals 10 Run the IDE devices tests in the system diagnostics to determine whether the CD drive works correctly If the problem is not resolved see Getting Help Troubleshooting a SATA Hard Drive Problem Faulty hard drive 1 Damaged or improperly connected hard drive cables Action A CAUTION See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge NOTICE This troubleshooting procedure can destroy data stored on the hard drive Before you proceed back up all files on the hard drive 1 Run the appropriate online diagnostic test See Using Server Administrator Diagnostics in Running the System Diagnostics the test fails continue to the next step 2 Enter the System Setup program and verify that the system is configured correctly See Using the System Setup Program in your User s Guide 3 Run the hard drive tests in the system diagnostics See Running the System Diagnostics the tests fail continue to the next step 4 Open the system See Opening the System 5 Ensure that the hard drive interface cable is properly connected between the drive and the system board To identify system board connectors see Figure A 3 6 Ifthe hard drive is the boot drive ensure that the drive is configured and connected properly See Configur
39. e list of abbreviations and acronyms see the Abbreviations and Acronyms Information in this document is subject to change without notice 2003 Dell Inc All rights reserved Reproduction in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell the DELL logo PowerEdge PowerApp PowerVault PowerConnect Dell OpenManage DellNet Axim Dell Precision Dimension Inspiron OptiPlex and Latitude are trademarks of Dell Inc Intel is a registered trademark of Intel Corporation Microsoft and MS DOS is a registered trademark of Microsoft Corporation Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own Back to Contents Page
40. e monitor If the problem is not resolved continue to the next step 3 Examine the mouse and its cable for signs of damage If you are using a USB mouse and it is not damaged go to step 5 If you are using a PS 2 mouse and it is not damaged go to step 6 If the mouse is damaged continue to the next step 4 Swap the faulty mouse with a working mouse If the problem is resolved replace the faulty mouse See Getting Help 5 Enter the System Setup program and ensure that the USB ports are enabled See Using the System Setup Program in your User s Guide If the problem is not resolved continue to the next step 6 Run the pointing devices test in the system diagnostics See Running the System Diagnostics If the test fails see Getting Help Troubleshooting Basic 1 0 Functions Problem Error message indicates a problem with a serial port Device connected to a serial port is not operating properly Action 1 Enter the System Setup program and ensure that the serial port s are enabled See Using the System Setup Program in the User s Guide 2 Ifthe problem is confined to a particular application see the application documentation for specific port configuration requirements that the program may require 3 Run the appropriate online diagnostic test See Using Server Administrator Diagnostics in Running System Diagnostics If the tests run successfully but the problem persists see Troublesh
41. ed However before you assign a new system and or setup password you must install the jumper plug NOTE If you assign a new system and or setup password with the jumper plug still removed the system disables the new password s the next time it boots 6 Turn off the system including any attached peripherals and disconnect the system from the electrical outlet 7 Open the system 8 Install the password jumper plug See Figure A 2 to locate the password jumper on the system board 9 Close the system reconnect the system to the electrical outlet and turn on the system 10 Assign a new system and or setup password To assign a new password using the System Setup program see Using the System Setup Program in your User s Guide Back to Contents Page Back to Contents Page 1 0 Connectors Dell PowerEdge 750 Systems Installation and Troubleshooting Guide 1 O Connectors Serial Connector PS 2 Compatible Keyboard and Mouse Connectors Video Connector USB Connector Integrated Network Adapter Connector Network Cable Requirements 1 0 Connectors 1 O connectors are the gateways that the system uses to communicate with external devices such as a keyboard mouse printer or monitor This section describes the various connectors on your system If you reconfigure the hardware connected to the system you may also need the pin number and signal information for these connectors Figure B 1 illustrates the co
42. em board tests in the system diagnostics to confirm that the system is working properly See Running the System Diagnostics the tests fail see Getting Help Troubleshooting a Damaged System Problem I System was dropped or damaged Action CAUTION See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Open the system See Opening the System 2 Ensure that the following components are properly installed Expansion cards Power supply Fans Hard drive connections 3 Ensure that all cables are properly connected 4 Close the system See Closing the System 5 Run the system board tests in the system diagnostics See Running the System Diagnostics If the tests fail see Troubleshooting the System Board Troubleshooting the System Battery Problem System message indicates a problem with the battery I System Setup program loses system configuration information I System date and time do not remain current NOTE If the system is turned off for long periods of time for weeks or months the NVRAM may lose its system configuration information This situation is caused by a defective battery Action 1 Re enter the time and date through the System Setup program See Using the System Setup Program in your User s Guide 2 Turn off the system and disconnect it from the electrical
43. er Documents You May Need A The System Information Guide provides important safety and regulatory information Warranty information may be included within this document or as a separate document I The Rack Installation Guide or Rack Installation Instructions included with your rack solution describes how to install your system into a rack I The Getting Started Guide provides an overview of initially setting up your system I The User s Guide provides information about system features and technical specifications Systems management software documentation describes the features requirements installation and basic operation of the software I Operating system documentation describes how to install if necessary configure and use the operating system software Documentation for any components you purchased separately provides information to configure and install these options I Updates are sometimes included with the system to describe changes to the system software and or documentation K NOTE Always read the updates first because they often supersede information in other documents 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 Obtaining Technical Assistance If you do not understand a procedure in this guide or if the system does not perform as expected see Getting Help
44. erted here cooling shroud release latch Installing the Cooling Shroud 1 Insert the two tabs of the cooling shroud into the back panel See Figure 6 2 2 Rotate the cooling shroud down until the release latch snaps into place securing the shroud to the fan assembly 3 Close the system See Closing the System in Troubleshooting Your System System Battery Replacing the System Battery CAUTION See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Enter the System Setup program and if possible make a printed copy of the System Setup screens See Using the System Setup Program in the User s Guide 2 Open the system See Opening the System in Troubleshooting Your System 3 Remove the cooling shroud See Removing the Cooling Shroud 4 Locate the battery on the system board See Figure A 3 for the battery location 5 Grasp the battery socket release tab with your fingers and gently pull out away from the battery to remove the battery from the battery socket See Figure 6 3 6 Place the new battery in the battery socket as shown in Figure 6 3 K NOTE The side of the battery labeled must face toward the open side of the battery socket Figure 6 3 Replacing the Battery battery release tab battery socket 7 Press the battery into the socket until it snaps into place 8 Insta
45. essor c Align the holes on both sides of the heat sink with the heat sink posts on the system chassis See Figure 6 9 Orient the securing clips so that the rubber coated tabs are toward the back of the chassis NOTE If the securing clips are installed so that the rubber coated tabs are toward the front of the system the cooling shroud cannot be installed correctly Lower the end opposite of the rubber coated tab of each securing clip over the heat sink post and then slide the securing clip toward the heat sink post until they snap onto the post See Figure 6 9 While holding down the rubber coated tab with one hand push the latch on the securing clip toward the heat sink post until it locks the clip onto the post Repeat step 14 and step 15 for the other securing clip Install the cooling shroud See Installing the Cooling Shroud Close the system See Closing the System in Troubleshooting Your System As the system boots it detects the presence of the new processor and automatically changes the system configuration information in the System Setup program Press lt F2 gt to enter the System Setup program and check that the processor information matches the new system configuration See your User s Guide for instructions about using the System Setup program Run the system diagnostics to verify that the new processor operates correctly See Running the System Diagnostics for information about running the diagnost
46. he software to make sure that the software can accommodate the new COM connector designation Figure B 2 illustrates the pin numbers for the serial connector and Table B 2 defines the pin assignments for the connector Figure B 2 Serial Connector Pin Numbers Table B 2 Serial Connector Pin Assignments signal o Definition joco i Data carrier detect IN S Serial input Serial output Data terminal ready Signal ground Data set ready Request to send lear to send ing indicator Chassis ground PS 2 Compatible Keyboard and Mouse Connectors The PS 2 compatible keyboard and mouse cables attach to 6 pin miniature DIN connectors Figure B 3 illustrates the pin numbers for these connectors and Table B 3 defines the pin assignments for these connectors Figure B 3 PS 2 Compatible Keyboard and Mouse Connector Pin Numbers Table B 3 Keyboard and Mouse Connector Pin Assignments in sioni wo sewwe a KBDATA or MFDATA Keyboard data or mouse data uc wal no connection s sw walsignaigrom FVcc N A Fused supply voltage Ex KBCLK or MFCLK Keyboard clock or mouse clock s wc wal woconnecton Video Connector You can attach a VGA compatible monitor to the system s integrated video controller using a 15 pin high density D subminiature connector Figure B 4 illustrates the pin numbers for the video connector and Table B 4 defines the pin assign
47. her the system has monitors attached to both the front and back video connectors The system supports only one monitor attached to either the front or back video connector When a monitor is connected to the front panel the back panel video connector is disabled If two monitors are attached to the system disconnect one monitor If the problem is not resolved continue to the next step 3 Examine the keyboard and its cable for signs of damage If the keyboard is not damaged go to step 5 If the keyboard is damaged continue to the next step 4 Swap the faulty keyboard with a working keyboard If the problem is resolved replace the faulty keyboard See Getting Help 5 Run the keyboard test in the system diagnostics See Running the System Diagnostics If the test fails see Getting Help Troubleshooting the Mouse Problem System message indicates a problem with the mouse 1 Mouse is not functioning properly Action 1 Run the appropriate online diagnostic test See Using Server Administrator Diagnostics in Running System Diagnostics If the test fails continue to the next step 2 Determine whether the system has monitors attached to both the front and back video connectors The system supports only one monitor attached to either the front or back video connector When two monitors are connected the back panel video connector is disabled If two monitors are attached to the system disconnect on
48. ics and troubleshooting processor problems Back to Contents Page Back to Contents Page Installing Drives Dell PowerEdge 750 Systems Installation and Troubleshooting Guide CD and Diskette Drives Optional SCSI Configuration Information Configuring the Boot Drive Hard Drives Q installing a RAID or SCSI Controller Card The hard drive bays provide space for up to two SATA or SCSI drives an optional CD drive and an optional diskette drive The SCSI hard drives must be connected to a controller card The interface and power cables for the hard drives are routed in a cable tray that is part of the fan assembly CD and Diskette Drives Optional The optional CD drive is mounted in a bracket using two alignment pins and a spring clip on top of hard drive 0 An interposer card is connected to the back of the CD drive which allows the drive to be connected to the Pri IDE connector on the system board The optional diskette drive is mounted in a bracket such as the CD drive on top of hard drive 1 The diskette drive s interface cable is connected to the Control Panel Removing the Optional CD Drive CAUTION See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Open the system See Opening the System in Troubleshooting Your System 2 Disconnect the power and interface cables from the CD dr
49. igure 6 7 Installing and Removing the Riser Board riser board captive screws 27 Installing the Riser Board CAUTI ON See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Slide the riser board onto the system board See Figure 6 7 2 Tighten the two captive screws that secure the riser board to the system board See Figure 6 7 3 Install any expansion card s See Installing an Expansion Card 4 Close the system See Closing the System in Troubleshooting Your System System Memory The four memory module sockets are located on the system board adjacent to the power supply and can accommodate from 256 MB to 4 GB of unbuffered ECC PC 3200 DDR400 memory See Figure 6 1 for the location of the memory module sockets You can upgrade the system memory by installing combinations of 256 512 MB and 1 GB unbuffered memory modules If you receive an error message stating that maximum memory has been exceeded see Indicators Messages and Codes for more information You can purchase memory upgrade kits from Dell E NOTE The memory modules must be PC 3200 compliant Memory Module I nstallation Guidelines The memory module sockets are arranged in banks 1 and 2 on two channels A and B The memory module banks must be installed in identical pairs The memory module banks are identified as follows Ba
50. ing the Boot Drive in Installing Drives 7 Ensure that the power cable is properly connected to the drive 8 Close the system See Closing the System 9 Format and partition the hard drive See the operating system documentation 10 If possible restore the files to the drive If the problem persists see Getting Help Troubleshooting a SCSI Hard Drive Problem Device driver error Hard drive not recognized by the system Action CAUTI ON See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge NOTI CE This procedure can destroy data stored on the hard drive Before you continue back up all files on the hard drive 1 Runthe appropriate online diagnostic test See Using Server Administrator Diagnostics in Running System Diagnostics If the test fails continue to the next step 2 Run the SCSI controllers test and the hard drive tests in the system diagnostics See Running the System Diagnostics For information about testing the controller see the SCSI or RAID controller s documentation If the tests fail continue to the next step 3 Restart the system and enter the SCSI configuration utility NOTE To enter the utility press lt Ctrl gt lt h gt lt Ctrl gt lt a gt or lt Ctrl gt lt m gt depending on the utility See the documentation supplied with the controller for informa
51. ion exists on the boot Utilit artition not n yP hard drive available Firmware is out of date Warning Firmware is out of date New or unsupported processor Warning No microcode update loaded for processor Faulty diskette diskette drive CD drive hard drive Write fault Write fault on selected drive Remove and reseat the expansion cards See Troubleshooting Expansion Cards in Troubleshooting Your System Ensure that the hard drive cables are properly connected See Troubleshooting a SATA Hard Drive Run the System Setup program to correct the settings See Using the System Setup Program in your User s Guide Replace the diskette If the problem persists see Troubleshooting a SATA Hard Drive or Troubleshooting a SCSI Hard Drive in Troubleshooting Your System for the appropriate drive installed in your system Ensure that all memory modules are properly installed See Troubleshooting System Memory in Troubleshooting Your System If the problem persists see Troubleshooting the System Board See Troubleshooting the System Battery in Troubleshooting Your System If the problem persists see Troubleshooting the System Board Check the Time and Date settings See Using the System Setup Program in your User s Guide If the problem persists see Troubleshooting the System Battery in Troubleshooting Your System See Getting Help Ensure that all
52. ive s interposer card 3 Release the two captive fasteners that secure the interposer card to the hard drive 0 carrier See Figure 7 1 a Onthe side of the card that is between the card and the drive push the plunger of each fastener back into the fastener barrel using the flat surface of a flat tipped screwdriver or other small flat object b Onthe side of the interposer card closest to the system board grasp the plunger head and pull the plunger until it stops 4 Disconnect the interposer card from the CD drive 5 Press the bracket release lever that secures the CD drive to the hard drive O carrier See Figure 7 2 6 Lift and tilt the CD drive up and out of the bracket as shown in Figure 7 2 Figure 7 1 Removing and Installing the Optional CD Drive captive fasteners 2 interposer board interface cable retaining pins 4 mounting holes 4 hard drive 0 bracketrelease lever Installing the Optional CD Drive 1 Align the CD drive s mounting holes with the retaining pins on the hard drive 0 bracket See Figure 7 1 2 Rotate the drive downward until it snaps into place 3 Connect the interposer card to the CD drive 4 Push the plungers into the captive fastener barrels until they snap into place 5 Connect the interface and power cables to the CD drive s interposer card 6 Close the system See Closing the System in Troubleshooting Your System Removing the Optional Diskette Drive CAUTI ON See your S
53. ke care to grasp the cable connector rather than the cable itself to avoid stress on the cable SCSI ID Numbers Each drive attached to a SCSI controller must have a unique SCSI ID number from 0 to 15 I The SCSI hard drive from which the system boots is configured as SCSI ID 0 If you install optional SCSI drives or change your SCSI configuration see the documentation for each SCSI drive for information on setting the appropriate SCSI ID number GZ NOTE There is no requirement that SCSI ID numbers be assigned sequentially or that drives be attached to the cable in order by ID number Device Termination SCSI logic requires that termination be enabled for the two drives at opposite ends of the SCSI chain and disabled for all drives in between For internal SCSI drives termination is configured automatically See the documentation provided with any optional SCSI drive you purchase for information on disabling termination Configuring the Boot Drive The drive or device from which the system boots is determined by the boot order specified in the System Setup program See Using the System Setup Program in your User s Guide To boot the system from a hard drive or drive array the drive s must be connected to the appropriate controller To boot from a single SATA hard drive the master drive drive 0 must be connected to the SATA_PORT_0 connector on the system board To identify system board connectors see Figure A 3 I To boot fr
54. kstations Figure B 6 illustrates the pin numbers for the network connector and Table B 6 defines the pin assignments for the connector Figure B 6 Network Adapter Connector link indicator activity indicator Table B 6 Network Adapter Connector Pin Assignments sisnal i7 0 petition Prov o ata out co ro o osa out e Foe pr ose Pro 1_ osta nt Network Cable Requirements The network adapters support a UTP Ethernet cable equipped with a standard RJ 45 compatible plug Observe the following cabling restrictions NOTI CE To avoid line interference voice and data lines must be in separate sheaths Use Category 5 or greater wiring and connectors 1 Do not exceed a cable run length from a workstation to a hub of 100 m 328 ft For detailed guidelines about the operation of a network see Systems Considerations of Multi Segment Networks in the IEEE 802 3 standard Back to Contents Page Back to Contents Page Abbreviations and Acronyms Dell PowerEdge 750 Systems Installation and Troubleshooting Guide A ampere s AC alternating current ANSI American National Standards Institute BIOS basic input output system c Celsius CD compact disc cm centimeter s CMOS complementary metal oxide semiconductor CPU central processing unit DC direct current DHCP Dynamic Host Configuration Protocol DI MM dual in line memory m
55. l See Opening the System 3 Run the appropriate online diagnostic test See Using Server Administrator Diagnostics in Running System Diagnostics 4 Run the diskette drive tests to check whether the diskette drive works correctly See Running the System Diagnostics If the tests fail continue to the next step 10 11 12 13 14 15 16 TH CAUTI ON See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge Open the system See Opening the System Ensure that the diskette drive interface cable is securely connected to the diskette drive and the control panel board Close the system See Closing the System Run the diskette drive tests to see whether the diskette drive works correctly Open the system See Opening the System Remove all expansion cards installed in the system See Removing an Expansion Card in Installing System Options Close the system See Closing the System Run the diskette drive tests to see whether the diskette drive works correctly the tests run successfully an expansion card may be conflicting with the diskette drive logic or an expansion card may be faulty Continue to the next tep v the tests fail see Getting Help Open the system See Opening the System Reinstall one of the expansion cards that you removed in step 10 See Installing
56. lighted option appears at the bottom of the screen I The right side of the screen under Devices for Highlighted Group lists the specific devices within a particular test group The menu area consists of two lines at the bottom of the screen The first line lists the menu options that you can select press the left or right arrow key to highlight an option The second line provides information about the highlighted option For more information about a device group or device highlight the Help option and press lt Enter gt Press lt Esc gt to return to the previous screen Error Messages When you run a system diagnostics test you may receive an error message during testing Record the message on a copy of the Diagnostics Checklist For a copy of the Diagnostics Checklist and instructions for obtaining technical assistance see Getting Help Back to Contents Page Back to Contents Page Troubleshooting Your System Dell PowerEdge 750 Systems Installation and Troubleshooting Guide Safety First For You and Your System Troubleshooting a Damaged System External Connections Troubleshooting the System Battery Checking Basic Power Problems Start Up Routine Checking the Equipment Troubleshooting Basic 1 O Functions Troubleshooting the Power Supply Troubleshooting System Cooling Problems Troubleshooting the Diskette Drive Troubleshooting the CD Drive Troubleshooting a SATA Hard Drive Troubleshoo
57. ling System Components Dell PowerEdge 750 Systems Installation and Troubleshooting Guide System Board Components Cooling Shroud System Battery Fan Assembly Power Supply Expansion Cards Riser Board System Memory Processor This section describes how to install the following system components I Cooling shroud System battery Fan assembly I Power supply Expansion cards Riser board I System memory Processor System Board Components When installing and replacing system board components use Figure 6 1 to locate the components Figure 6 1 System Board Components and Connectors riser board connector riser board system battery fanassembly connector processor and heat sink memory modules 4 connectors Cooling Shroud The cooling shroud covers the processor and system battery The shroud also directs air flow to the expansion cards and system memory Removing the Cooling Shroud CAUTI ON See your System I nformation Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Openthe system See Opening the System in Troubleshooting Your System 2 While grasping the cooling shroud press the release latch and rotate away from the fan assembly See Figure 6 2 3 Remove the cooling shroud Figure 6 2 Installing and Removing the Cooling Shroud cooling shroud tabs ins
58. ll the cooling shroud See Installing the Cooling Shroud 9 Close the system See Closing the System in Troubleshooting Your System 10 Enter the System Setup program to confirm that the battery operates properly 11 From the main screen select System Time to enter the correct time and date Also re enter any system configuration information that is no longer displayed on the System Setup screens and then exit the System Setup program 12 To test the newly installed battery see Troubleshooting the System Battery in Troubleshooting Your System Fan Assembly The fan assembly contains three fans and provides cooling for the processor memory modules and expansion cards Removing the Fan Assembly A CAUTI ON See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Openthe system See Opening the System in Troubleshooting Your System 2 Remove the cooling shroud See Removing the Cooling Shroud 3 Disconnect the fan assembly s power cable from the system board See Figure 6 4 4 Remove the data cable from hard drive 1 and pull it out of the fan assembly s cable tray See Figure 6 4 5 While pressing the two release levers on the fan assembly lift the fan assembly off the two securing post and out of the chassis See Figure 6 4 Figure 6 4 Installing and Removing the Fan Assembly release oo
59. low is obstructed 1 Cables inside the system obstruct airflow An individual cooling fan has failed See Troubleshooting a Fan Troubleshooting a Fan Problem System status indicator is amber Systems management software issues a fan related error message Action 1 Run the appropriate diagnostic test See Using Server Administrator Diagnostics in Running System Diagnostics CAUTI ON See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 2 Open the system See Opening the System 3 Ensure that the fan assembly s power cable is firmly attached to the fan power connector on the system board See Fan Assembly in Installing System Components K NOTE Wait 30 seconds for the system to recognize the fans and determine whether it is working properly 4 Ifthe problem is not resolved install a new fan assembly See Fan Assembly in Installing System Components If the replacement fan assembly is working properly close the system See Closing the System If the replacement fan assembly does not operate see Getting Help Troubleshooting the Diskette Drive Problem Error message indicates a diskette drive problem Action 1 Enter the System Setup program and verify that the diskette drive is configured correctly See Using the System Setup Program in the User s Guide 2 Remove the beze
60. memory modules are properly installed See Memory Module Installation Guidelines in Installing System Components If the problem persists see Troubleshooting System Memory in Troubleshooting Your System If the problem persists see Troubleshooting the System Board Check for a BIOS update If the problem persists install a supported processor See Processor Create a utility partition on the boot hard drive See Using the Dell OpenManage Server Assistant CD in your User s Guide Update the firmware See Getting Help Update the BIOS firmware See Getting Help Replace the diskette Ensure that the diskette CD and hard drive cables are properly connected See Troubleshooting the Diskette Drive Troubleshooting the CD Drive Troubleshooting a SATA Hard Drive or Troubleshooting a SCSI Hard Drive in Troubleshooting Your System for the appropriate drive s installed in your system System Beep Codes If an error that cannot be reported on the screen occurs during POST the system may emit a series of beeps that identifies the problem K NOTE If the system boots without a keyboard mouse or monitor attached the system does not issue beep codes related to those peripherals If a beep code is emitted write down the series of beeps and then look it up in Table 2 4 If you are unable to resolve the problem by looking up the meaning of the beep code use system diagnostics to identify the possible
61. ments for the connector K NOTE Installing a video card automatically disables the system s integrated video controller Figure B 4 Video Connector Pin Numbers 10 ED 6 15 11 Table B 4 Video Connector Pin Assignments ina uo patnition eo o ravo oe o creen video uus o awe veo poc date ut o montor detect ate reme o Horizontal synchronization vec o verica syncronization _ USB Connector The system s USB connectors support USB compliant peripherals such as keyboards mice and printers and may also support USB compliant devices such as diskette drives and CD drives Figure B 5 illustrates the pin numbers for the USB connector and Table B 5 defines the pin assignments for the connector NOTI CE Do not attach a USB device or a combination of USB devices that draw a maximum current of more than 500 mA per channel or 5 V Attaching devices that exceed this threshold may cause the USB connectors to shut down See the documentation that accompanied the USB devices for their maximum current ratings Figure B 5 USB Connector Pin Numbers Table B 5 USB Connector Pin Assignments Supply voltage A lo Data out sional Fom p ow Integrated Network Adapter Connector The system s integrated network adapters function as separate network expansion cards while providing fast communication between servers and wor
62. module Faulty system board Action A di CAUTI ON See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge Ensure that the memory modules are properly installed See Memory Module Installation Guidelines in Installing System Components Run the appropriate online diagnostic test See Using Server Administrator Diagnostics in Running System Diagnostics If the test fails continue to the next step Reboot the system If an error message does not appear continue to the next step If an error message appears go to step 5 Enter the System Setup program and check the system memory setting See Using the System Setup Program in your User s Guide If the amount of memory installed matches the system memory setting go to step 12 Open the system See Opening the System Reseat the memory modules in their sockets See Installing Memory Modules in Installing System Options Close the system See Closing the System Enter the System Setup program and check the system memory setting See Using the System Setup Program in your User s Guide If the amount of memory installed does not match the system memory setting then perform the following steps a Turn off the system and attached peripherals and disconnect the system from its electrical outlet b Open the system See Opening the System
63. nk 1 DIMM1 A and DIMM1 B Bank 2 DIMM2 A and DIMM2 B For example if socket DIMM1_A contains a 256 MB memory module then socket DIMM1 B must contain a 256 MB memory module Table 6 1 shows examples of different memory configurations If only one memory module is installed it must be installed in the DIMM1 A socket I A bank must contain identical memory modules Install the memory modules in bank 1 DIMM1_x before installing memory modules in bank 2 DIMM2_x Installing three memory modules is not supported Table 6 1 Sample Memory Module Configurations Total Memory 256 MB 512 MB 1GB 1GB Installing Memory Modules 1 Open the system See Opening the System in Troubleshooting Your System 2 Locate the memory module sockets See Figure 6 1 3 Press the ejectors on the memory module socket down and out as shown in Figure 6 8 to allow the memory module to be inserted into the socket 4 Align the memory module s edge connector with the alignment keys of the memory module socket and insert the memory module in the socket K NOTE The memory module socket has two alignment keys that allow you to install the memory module in the socket in only one way 5 Press down on the memory module with your thumbs while pulling up on the ejectors with your index fingers to lock the memory module into the socket When the memory module is properly seated in the socket the ejectors on the memory mod
64. nk n Potential for decreased performance Alert Previous CPU fan failure Alert Previous Memory fan failure Alert Previous PCI fan failure Alert Previous voltage failure Alert Processor thermal probe failure detected Alert Previous processor thermal event was detected Amount of available memory limited to 256MB Auxiliary device failure BIOS Update Attempt Failed Caution NVRAM_CLR jumper is installed on system board Please run SETUP Data error Decreasing available memory Diskette drive 0 seek failure Diskette read failure Diskette subsystem reset failed memory module s The SATA hard drive is not connected to the correct connector on the system board The memory module installation guidelines have not been properly followed Specified fan failed before last system startup The power supply failed before last system startup The processor fan is faulty or the fan assembly is improperly installed The processor fan failed before the last system startup OS Install Mode is enabled in the System Setup program Loose or improperly connected mouse or keyboard cable faulty mouse or keyboard Remote BIOS update attempt failed Incorrect configuration settings in System Setup program NVRAM_CLR jumper is installed faulty system battery Faulty diskette diskette drive CD drive or hard drive Faulty or improperly installed memory modules In
65. nnectors on the system Figure B 1 1 0 Connectors serial connector video connector USB connectors 2 mouse connector 9 LBD p ae keyboard connector network adapter connectors 2 Table B 1 shows the icons used to label the connectors on the system Table B 1 I O Connector Icons Icon Connector ae epum opem qu ap Serial Connector Serial connectors support devices such as external modems printers and mice that require serial data transmission Serial connectors are also used for console redirection The serial connector uses a 9 pin D subminiature connector Serial Connector Autoconfiguration The default designation of the integrated serial connector is COMI When you add an expansion card containing a serial connector that has the same designation as the integrated connector the system s autoconfiguration feature remaps reassigns the integrated serial connector to the next available designation Both the new and the remapped COM connectors share the same IRQ setting COM1 and COM3 share IRQ4 while COM2 and COMA share IRQ3 NOTE If two COM connectors share an IRQ setting you may not be able to use them both at the same time In addition if you install one or more expansion cards with serial connectors designated as COM1 and COM3 the integrated serial connector is disabled Before adding a card that remaps the COM connectors check the documentation that came with t
66. nonvolatile random access memory PCI Peripheral Component Interconnect PDU power distribution unit PGA pin grid array POST power on self test RAID redundant array of independent disks RAM random access memory RAS remote access services ROM read only memory rpm revolutions per minute RTC real time clock SATA serial ATA sec second s SDRAM synchronous dynamic random access memory SMBus system management bus SNMP Simple Network Management Protocol SDRAM synchronous dynamic random access memory TCP IP Transmission Control Protocol Internet Protocol UART universal asynchronous receiver transmitter UPS uninterruptible power supply UTP unshielded twisted pair volt s VAC volt s alternating current VDC volt s direct current VGA video graphics array VRAM video random access memory Ww watt s WH watt hour s ZF zero insertion force Back to Contents Page Back to Contents Page Introduction Dell PowerEdge 750 Systems Installation and Troubleshooting Guide Other Documents You May Need Obtaining Technical Assistance Your system includes the following significant service and upgrade features System diagnostics which checks for hardware problems if the system can boot The following system upgrade options are available Processor Memory PCI expansion card Oth
67. odule DMA direct memory access DMI desktop management interface dpi dots per inch DRAM dynamic random access memory DRAC III XT Dell Remote Access Card III XT ECC error checking and correction EDO extended data out EMI electromagnetic interference EEPROM electrically erasable programmable read only memory ESD electrostatic discharge ESDI enhanced small device interface ESM embedded server management F Fahrenheit FAT file allocation table FCC Federal Communications Commission feet g gram s GB gigabyte s GUI graphical user interface Hz hertz 1 0 input output ID identification IDE integrated drive electronics IPX Internet packet exchange IRQ interrupt request kilobyte s KB sec kilobyte s per second kg kilogram s kHz kilohertz L2 Level 2 LAN local area network Ib pound s LED light emitting diode LVD low voltage differential m meter s mA milliampere s mAh milliampere hour s MB megabyte s MHz megahertz mm millimeter s ms millisecond s MS DOS Microsoft Disk Operating System mV millivolt s NAS network attached storage NIC network interface controller NIS network information service NiCad nickel cadmium NMI nonmaskable interrupt ns nanosecond s NTFS NT File System NVRAM
68. om a single SCSI hard drive the drive must be connected to the SCSI controller card See the documentation that accompanied the controller card I To boot from a SCSI RAID array the drive must be connected to the RAID controller card See the documentation that accompanied the controller card Hard Drives Your system contains up to two non hot pluggable SATA or SCSI hard drives If your system contains SCSI hard drives they must be connected to a SCSI controller board The cables for hard drive 1 are routed in the cable tray that is part of the fan assembly The procedures for removing and installing SATA or SCSI hard drives are the same Removing a Hard Drive CAUTI ON See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Open the system See Opening the System in Troubleshooting Your System 2 If applicable remove the optional CD drive or optional diskette drive Remove the CD drive if you are removing hard drive 0 See Removing the Optional CD Drive Remove the optional diskette drive if you are removing hard drive 1 See Removing the Optional Diskette Drive 3 Disconnect the power and interface cables from the hard drive The interface cables for SATA hard drives are connected to the system board See Figure A 3 for the location of the system board connectors The interface cables for SCSI hard drives
69. on the circuit board with a triangle so that you can identify each pin number based on the location of pin 1 Figure A 2 shows the location and default settings of the server module jumper blocks See Table A 1 for the designations default settings and functions of the jumpers System Board J umpers Figure A 2 shows the location of the configuration jumpers on the system board Table A 1 lists the jumpers settings Figure A 2 System Board J umpers PASSWD NVRAM_CLR DB Table A 1 System Board Jumper Settings Jumper seme Description PASSWD gt default The password feature is enabled The configuration settings in NVRAM are cleared at next system boot jumpered unjumpered System Board Connectors See Figure A 3 and Table A 2 for the location and description of the system board connectors Figure A 3 System Board Connectors SLT1 processor and DIMMI_A heat sink DIMM2_A DIMM1_B DIMM2_B CN2 CN LT Sys_Mgmt CN3 Fan SATA PORT 0 BTI SATA_PORT_1 Pri IDE Table A 2 System Board Connectors Connector Description BT1 Connector for the 3 0 V coin battery E SLT1 Riser board interface connector Riser Board Connectors See Figure A 4 and Table A 3 for the location and description of the backplane board connectors Figu
70. onflicts and or IRQ assignment conflicts The problems are sometimes indicated by error messages Error messages are generated by system hardware or software Indicators Messages and Codes provides information about error messages that are hardware based If you receive an error message that is not listed see your operating system or software program documentation for troubleshooting information Input Errors Pressing a specific key or set of keys at the wrong time may produce unexpected results See the documentation that came with the software application to ensure that the values or characters you are entering are valid Ensure that your operating system is configured properly to run the application Remember that whenever you change the parameters of the operating system the changes can conflict with an application s operating requirements After you configure the operating system you may need to reinstall or reconfigure a software application so that it can run properly in its new environment Application Conflicts Some applications can leave unnecessary files or data behind after they are deleted from your system Device drivers can also create application errors If application errors occur see your application device driver or operating system documentation for troubleshooting information IRQ Assignment Conflicts Most PCI devices can share an IRQ with another device but they cannot use an IRQ simultaneously To avoid this t
71. ontroller card Power is supplied to the system board hard drives and internal peripherals through a single nonredundant power supply Opening the System The system is enclosed by an optional bezel and cover To upgrade or troubleshoot the system remove the bezel and cover to access the CD and diskette drives hard drives power supply and other internal system components 1 If applicable remove the bezel See Figure 5 2 a If applicable unlock the bezel b While grasping the bezel slide it toward the key lock c Rotate the right side of the bezel away from the front panel d Pull the bezel away from the system Figure 5 2 Installing and Removing the Bezel key lock bezel securing tabs 2 2 Observe the precautions in Safety First For You and Your System 3 Turn off the system and attached peripherals and disconnect the system from the electrical outlet 4 To remove the system cover loosen the two captive screws at the back of the system See Figure 5 3 5 While pressing down on the cover indention slide the cover backward about an inch and grasp the cover on both sides 6 Carefully lift the cover away from the system Figure 5 3 Installing and Removing the System Cover system cover cover indention captive screws 2 Closing the System 1 Ensure that you did not leave tools or parts inside the system 2 Place the cover over the sides of the chassis and slide the cover forward
72. ooting a Serial 1 O Device Troubleshooting a Serial 1 O Device Problem Device connected to the serial port is not operating properly Action 1 Turn off the system and any peripheral devices connected to the serial port 2 Swap the serial interface cable with a working cable and turn on the system and the serial device If the problem is resolved replace the interface cable See Getting Help 3 Turn off the system and the serial device and swap the device with a comparable device 4 Turn on the system and the serial device If the problem is resolved replace the serial device See Getting Help If the problem persists see Getting Help Troubleshooting a USB Device Problem System message indicates a problem with a USB device I Device connected to a USB port is not operating properly Action 1 Enter the System Setup program and ensure that the USB ports are enabled See Using the System Setup Program in your User s Guide 2 Turn off the system and any USB devices 3 Disconnect the USB devices and connect the malfunctioning device to the other USB connector 4 Turn on the system and the reconnected device If the problem is resolved the USB connector might be defective See Getting Help 5 f possible swap the interface cable with a working cable If the problem is resolved replace the interface cable See Getting Help 6 Turn off the system and the USB device and swap the
73. ot at all Action 1 Run the appropriate online diagnostic test See Using Server Administrator Diagnostics in Running System Diagnostics CAUTI ON See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 2 Open the system See Opening the System 3 Ensure that each expansion card is firmly seated in its connector See Expansion Cards in Installing System Components 4 Close the system See Closing the System 5 Run the appropriate tests in the system diagnostics See Running the System Diagnostics n 10 If the problem persists continue to the next step Open the system See Opening the System Remove all expansion cards installed in the system See Removing an Expansion Card in Installing System Components Close the system See Closing the System Run Quick Tests in the system diagnostics If the tests fail see Getting Help For each expansion card that you removed in step 7 perform the following steps a Open the system See Opening the System b Reinstall one of the expansion cards c Close the system See Closing the System d Run the appropriate tests in the system diagnostics If the tests fail see Getting Help If you reinstall all of the expansion cards and the tests fail see Getting Help Troubleshooting System Memory Problem Faulty memory
74. outlet for at least one hour 3 Reconnect the system to the electrical outlet and turn on the system 4 Enter the System Setup program If the date and time are not correct in the System Setup program replace the battery See System Battery in Installing System Components If the problem is not resolved by replacing the battery see Getting Help K NOTE Some software may cause the system time to speed up or slow down If the system seems to operate normally except for the time kept in the System Setup program the problem may be caused by software rather than by a defective battery Troubleshooting the Power Supply Problem I The power LED on the front of the system is not lit Action 1 Check the connection of the power cable to the power supply and the outlet 2 Remove the bezel See Opening the System 3 Turn on the system If the problem is not resolved continue to the next step 4 Open the system See Opening the System 5 Ensure that the power supply cable is properly connected to the backplane board 6 Close the system See Closing the System If the problem is still not resolved replace the power supply See Power Supply in Installing System Components Troubleshooting System Cooling Problems Problem Systems management software issues a fan related error message Action Ensure that none of the following conditions exist Ambient temperature is too high External airf
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76. r than its own Initial release Oct 2003 Back to Contents Page Jumpers Switches and Connectors Dell PowerEdge 750 Systems Installation and Troubleshooting Guide jumpers A General Explanation System Board Jumpers System Board Connectors Riser Board Connectors Disabling a Forgotten Password This section provides specific information about the system jumpers It also provides some basic information on jumpers and switches and describes the connectors on the various boards in the system J umpers A General Explanation Jumpers provide a convenient and reversible way of reconfiguring the circuitry on a printed circuit board When reconfiguring the system you may need to change jumper settings on circuit boards or drives Jumpers Jumpers are small blocks on a circuit board with two or more pins emerging from them Plastic plugs containing a wire fit down over the pins The wire connects the pins and creates a circuit To change a jumper setting pull the plug off its pin s and carefully fit it down onto the pin s indicated Figure A 1 shows an example of a jumper Figure A 1 Example J umper A jumper is referred to as open or unjumpered when the plug is pushed down over only one pin or if there is no plug at all When the plug is pushed down over two pins the jumper is referred to as jumpered The jumper setting is often shown in text as two numbers such as 1 2 The number 1 is printed
77. re A 4 Riser Board Connectors upper slot PCI 32 bit 33 MHz 5 V lower slot PCI X B4 bit 66 MHz 3 3 V system board Table A 3 Riser Board Connectors Upper slot PCI 32 bit 33 MHz 5V The RAC must be installed in the upper slot Lower slot PCI X 64 bit 66 MHz 3 3V For optimal performance install RAID and SCSI controllers in the lower slot System board System board interface connector Disabling a Forgotten Password The system s software security features include a system password and a setup password which are discussed in detail in Using the System Setup Program in your User s Guide The password jumper enables these password features or disables them and clears any password s currently in use CAUTI ON See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Turn off the system and attached peripherals and disconnect the system from the electrical outlet 2 Open the system See Opening the System in Troubleshooting Your System 3 Remove the password jumper plug See Figure A 2 to locate the password jumper on the system board 4 Close the system See Closing the System in Troubleshooting Your System 5 Reconnect the system to the electrical outlet and turn on the system The existing passwords are not disabled erased until the system boots with the password jumper plug remov
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79. ront panel does not indicate that power is available to the system ensure that the power cable is securely connected to the power supply 2 If the system is connected to a PDU or UPS turn the PDU or UPS off and then on 3 Ifthe PDU or UPS is not receiving power plug it into another electrical outlet If it still is not receiving power try another PDU or UPS 4 Reconnect the system to the electrical outlet and turn on the system 5 If the system still is not working properly see Troubleshooting the Power Supply Start Up Routine Look and listen during the system s start up routine for the indications described in Table 5 1 Table 5 1 Start Up Routine Indications Look listen for An error message displayed on the monitor See System Messages in Indicators Codes and Messages A series of beeps emitted by the system See System Beep Codes in Indicators Codes and Messages Alert messages from the systems management software The monitor s power indicator See Troubleshooting the Video Subsystem The diskette drive activity indicator See Troubleshooting the Diskette Drive The CD drive activity indicator See Troubleshooting a CD Drive The hard drive activity indicator See Troubleshooting SATA Hard Drives or Troubleshooting SCSI Hard Drives 2 unfamiliar constant scraping or grinding sound when you access a See Getting Help rive Checking the Equipment This section
80. roperly installed See Troubleshooting Expansion Cards in Troubleshooting Your System Ensure that the RAC is properly installed See Troubleshooting Expansion Cards in Troubleshooting Your System Ensure that only one RAC is installed and that it is installed in the upper slot Ensure that the RAC is properly installed See Troubleshooting Expansion Cards in Troubleshooting Your System Ensure that the RAC is properly installed See Troubleshooting Expansion Cards in Troubleshooting Your System Ensure that the RAC is installed in the upper slot See Troubleshooting Expansion Cards in Troubleshooting Your System Remove the add in video card See Removing an Expansion Card in Installing System Components To use the add in video card remove the RAC See Getting Help Reinstall the operating system Run the System Setup program to correct the settings See Using the System Setup Program in your User s Guide Ensure that the hard drive subsystem is properly installed See Troubleshooting a SATA Hard Drive or Troubleshooting a SCSI Hard Drive in Troubleshooting Your System for the type of hard drive installed in your system Run the System Setup program to correct the settings See Using the System Setup Program in your User s Guide Ensure that the CD drive subsystem is properly installed See Troubleshooting the CD Drive Ensure that the memory modules are properly
81. rsions See your operating system documentation to determine the contents of the system s start up files If possible print each file Otherwise record the contents of each file before calling Dell Error message beep code or diagnostic code Description of problem and troubleshooting procedures you performed Contacting Dell To contact Dell electronically you can access the following websites I www dell com I support dell com technical support premiersupport dell com technical support for educational government healthcare and medium large business customers including Premier Platinum and Gold customers For specific web addresses for your country find the appropriate country section in the table below NOTE Toll free numbers are for use within the country for which they are listed When you need to contact Dell use the electronic addresses telephone numbers and codes provided in the following table If you need assistance in determining which codes to use contact a local or an international operator Country City Department Name or Service Area Area Codes International Access Code Website and E Mail Address Local Numbers and Country Code Toll Free Numbers City Code Anguilla General Support toll free 800 335 0031 Antigua and Barbuda General Support 1 800 805 5924 Argentina Buenos Aires Website www dell com ar International Access Code 00 Tech
82. s dell com apmarketing dell com Asian Pacific countries only sales_canada dell com Canada only Electronic Information Service info dell com AutoTech Service Dell s automated technical support service AutoTech provides recorded answers to the questions most frequently asked by Dell customers about their portable and desktop computer systems When you call AutoTech use your touch tone telephone to select the subjects that correspond to your questions The AutoTech service is available 24 hours a day 7 days a week You can also access this service through the technical support service See the contact information for your region Automated Order Status Service To check on the status of any Dell products that you have ordered you can go to support dell com or you can call the automated order status service A recording prompts you for the information needed to locate and report on your order See the contact information for your region Technical Support Service Dell s technical support service is available 24 hours a day 7 days a week to answer your questions about Dell hardware Our technical support staff use computer based diagnostics to provide fast accurate answers To contact Dell s technical support service see Before You Call and then see the contact information for your region Dell Enterprise Training and Certification Dell Enterprise Training and Certification is available see www dell com tr
83. tant CD NOTI CE Use the system diagnostics to test only your system Using this program with other systems may cause invalid results or error messages In addition use only the program that came with your system or an updated version of that program From the Utility Partition 1 As the system boots press lt F10 gt during POST 2 From the utility partition main menu under Run System Utilities select Run System Diagnostics From the Diagnostics Diskettes 1 Create a set of diagnostics diskettes from the Dell OpenManage Server Assistant CD See Using the Dell OpenManage Server Assistant CD in your User s Guide for information on creating the diskettes 2 Insert the first diagnostics diskette 3 Reboot the system If the system fails to boot see Getting Help When you start the system diagnostics a message is displayed stating that the diagnostics are initializing Next the Diagnostics menu appears The menu allows you to run all or specific diagnostics tests or to exit the system diagnostics L NOTE Before you read the rest of this section start the system diagnostics so that you can see the utility on your screen System Diagnostics Testing Options To select an option from the Diagnostics menu highlight the option and press Enter or press the key that corresponds to the highlighted letter in the option Table 4 1 provides a brief explanation of testing options Table 4 1 System Diagnostics Testing
84. ting a SCSI Hard Drive Troubleshooting a Network Adapter Responding to a Systems Management Software Alert Message Inside the System Opening the System Closing the System Troubleshooting a Wet System Troubleshooting Expansion Cards Troubleshooting System Memory Troubleshooting the Processor Troubleshooting the System Board Safety First For You and Your System To perform certain procedures in this document you must remove the system cover and work inside the system While working inside the system do not attempt to service the system except as explained in this guide and elsewhere in your system documentation A CAUTION Always follow the instructions closely and ensure that you review all information in Safety Instructions in the System Information Guide CAUTION See your System I nformation Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge External Connections Loose or improperly connected cables are the most likely source of problems for the system monitor and other peripherals such as a keyboard mouse or other external device Ensure that all external cables are securely attached to the external connectors on your system See Figure 2 1 and Figure 2 2 for the front and back panel connectors on your system Checking Basic Power Problems 1 If the power indicator on the system f
85. tion about the configuration utility 4 Ensure that the primary SCSI channel is enabled and restart the system Use the SCSI controller documentation 5 Ensure that the required device drivers are installed and configured correctly See the Dell OpenManage Server Assistant CD 6 Open the system See Opening the System 7 Ensure that the hard drive interface cable is properly connected between the drive and the controller card See the documentation supplied with the controller card 8 Ifthe hard drive is the boot drive ensure that the drive is configured and connected properly See Configuring the Boot Drive in Installing Drives 9 Ensure that a power cable is properly connected to the drive 10 Ensure that the hard drive is configured with a unique SCSI ID number and that the drive is terminated or not terminated as appropriate See the documentation for the hard drive 11 Close the system See Closing the System If the problem persists continue to the next step 12 Format and partition the hard drive See the operating system documentation 13 f possible restore the files to the drive If the problem persists see Getting Help Troubleshooting Expansion Cards K NOTE When you are troubleshooting an expansion card see the documentation for your operating system and the expansion card Problem Error message indicates a problem with an expansion card Expansion card performs incorrectly or n
86. to the expansion card 3 Remove the expansion card retainer adjacent to the PCI slots See Figure 6 6 4 Grasp the expansion card and carefully pull it away from the riser board connector If you are removing a SCSI controller card disconnect the cables from the card that connects to the SCSI hard drives 5 f you are permanently removing the card replace the metal filler bracket over the empty card slot opening 7 NOTE Filler brackets must be installed over empty expansion card slots to maintain FCC certification of the system The brackets also keep dust and dirt out of the system and aid in proper cooling and airflow inside the system 6 Replace the expansion card retainer 7 Close the system See Closing the System in Troubleshooting Your System Riser Board The riser board provides two expansion card slots Removing the Riser Board CAUTI ON See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Open the system See Opening the System in Troubleshooting Your System 2 Remove any expansion card s See Removing an Expansion Card 3 Loosen the two captive screws that secure the riser board to the system board See Figure 6 7 4 From the back of the system slide the riser board to the right to disconnect the riser board from the system board and lift the riser board out of the chassis F
87. u with any necessary procedures NOTE Dell s Express Service Code system may not be available in all countries When prompted by Dell s automated telephone system enter your Express Service Code to route the call directly to the proper support personnel If you do not have an Express Service Code open the Dell Accessories folder double click the Express Service Code icon and follow the directions For instructions on using the technical support service see Technical Support Service and Before You Call NOTE Some of the following services are not always available in all locations outside the continental U S Call your local Dell representative for information on availability Online Services You can access Dell Support at support dell com Select your region on the WELCOME TO DELL SUPPORT page and fill in the requested details to access help tools and information You can contact Dell electronically using the following addresses World Wide Web www dell com www dell com ap Asian Pacific countries only www euro dell com Europe only www dell com la Latin American countries www dell ca Canada only I Anonymous file transfer protocol FTP ftp dell com Log in as user anonymous and use your e mail address as your password Electronic Support Service support us dell com apsupport dell com Asian Pacific countries only support euro dell com Europe only Electronic Quote Service sale
88. ule socket align with the ejectors on the other sockets that have memory modules installed 6 Repeat step 2 through step 5 of this procedure to install the remaining memory modules See Table 6 1 for installing the total desired memory 7 Close the system See Closing the System in Troubleshooting Your System 8 Optional Press lt F2 gt to enter the System Setup program and check the System Memory setting on the main System Setup screen The system should have already changed the value to reflect the newly installed memory 9 Ifthe value is incorrect one or more of the memory modules may not be installed properly Repeat step 1 through step 8 of this procedure checking to ensure that the memory modules are firmly seated in their sockets 10 Run the system memory test in the system diagnostics See Running the System Diagnostics Figure 6 8 Installing and Removing a Memory Module memory module ce memory module socket ejectors 2 p i m alignment keys 2 Removing Memory Modules CAUTI ON See your System Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Open the system See Opening the System in Troubleshooting Your System 2 Locate the memory module sockets See Figure 6 1 3 Press down and out on the ejectors on each end of the socket until the memory module pops out of the socket See Figure 6 8
89. you are removing hard drive 0 See Installing the Optional CD Drive Install the optional diskette drive if you are removing hard drive 1 See Installing the Optional Diskette Drive 8 Close the system See Closing the System in Troubleshooting Your System Installing a RAI D or SCSI Controller Card See Installing an Expansion Card in Installing System Components for instructions about installing the card Back to Contents Page Back to Contents Page Getting Help Dell PowerEdge 750 Systems Installation and Troubleshooting Guide Technical Assistance Dell Enterprise Training and Certification Problems With Your Order Product Information Returning Items for Warranty Repair or Credit Before You Call Contacting Dell Technical Assistance If you need assistance with a technical problem perform the following steps E Complete the procedures in Troubleshooting Your System Run the system diagnostics and record any information provided Make a copy of the Diagnostics Checklist and fill it out Use Dell s extensive suite of online services available at Dell Support at support dell com for help with installation and troubleshooting procedures For more information see Online Services If the preceding steps have not resolved the problem call Dell for technical assistance NOTE Call technical support from a phone near or at the system so that technical support can assist yo
90. ype of conflict see the documentation for each PCI device for specific IRQ requirements Table 3 1 IRQ Assignment Defaults IRQ8 Real time clock IRQ9 ACPI functions used for power management IRQ10 Available IRQ11 Available IRQ12 PS 2 mouse port unless the mouse is disabled through the System Setup program IRQ13 Math coprocessor IRQ14 Integrated drive controller for the IDE CD drive controller IRQ15 Integrated drive controller for the SATA ports Back to Contents Page Back to Contents Page Running the System Diagnostics Dell PowerEdge 750 Systems Installation and Troubleshooting Guide Using Server Administrator Diagnostics System Diagnostics Features When to Use the System Diagnostics Running the System Diagnostics System Diagnostics Testing Options Using the Advanced Testing Options Error Messages If you experience a problem with your system run the diagnostics before calling for technical assistance The purpose of the diagnostics is to test your system s hardware without requiring additional equipment or risking data loss If you are unable to fix the problem yourself service and support personnel can use diagnostics test results to help you solve the problem Using Server Administrator Diagnostics To assess a system problem first use the online Server Administrator diagnostics If you are unable to identify the problem then use the system di
91. ystem Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge 1 Open the system See Opening the System in Troubleshooting Your System 2 Disconnect the interface cable from the diskette drive 3 Press the bracket release lever that secures the diskette drive to the hard drive 1 carrier See Figure 7 2 4 Lift and tilt the diskette drive up and out of the bracket as shown in Figure 7 2 Figure 7 2 Removing and Installing the Optional Diskette Drive diskette drive mounting holes 4 bracket release lever retaining pins 4 Installing the Optional Diskette Drive 1 Align the diskette drive s mounting holes with the retaining pins on the hard drive 1 bracket See Figure 7 2 2 Rotate the drive downward until it snaps into place 3 Connect the interface cable to the diskette drive 4 Close the system See Closing the System in Troubleshooting Your System SCSI Configuration I nformation Although SCSI drives are installed in essentially the same way as other drives their configuration requirements are different To install and configure a SCSI drive follow the guidelines in the following subsections SCSI Interface Cables SCSI interface connectors are keyed for correct insertion Keying ensures that the pin 1 wire in the cable connects to pin 1 in the connectors on both ends When you disconnect an interface cable ta

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