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Dell™ PowerEdge™ 840 Systems
Hardware Owner’s Manual
www.dell.com | support.dell.com
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Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death. ____________________ Information in this document is subject to change without notice. © 2006 Dell Inc. All rights reserved. Reproduction in any manner whatsoever wi
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Contents 1 About Your System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Other Information You May Need . . . . . . . . . . . . . . . . . . . . . . . . . 9 Accessing System Features During Startup. . . . . . . . . . . . . . . . . . . 10 Front-Panel Features and Indicators . . . . . . . . . . . . . . . . . . . . . . 11 Back-Panel Features and Indicators . . . . . . . . . . . . . . . . . . . . . . 13 Connecting External Devices . . . . . . . . . . . . . . . . . . . . . . . . 14
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System and Setup Password Features. . . . . . . . . . . . . . . . . . . . . . 37 Using the System Password . . . . . . . . . . . . . . . . . . . . . . . . 37 Using the Setup Password . . . . . . . . . . . . . . . . . . . . . . . . . 39 3 Installing System Components . . . . . . . . . . . . . . . . . . . . 41 Recommended Tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Inside the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Opening the System
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Cooling Shroud. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Removing the Cooling Shroud . . . . . . . . . . . . . . . . . . . . . . . 64 Installing the Cooling Shroud . . . . . . . . . . . . . . . . . . . . . . . . 65 Cooling Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Removing the Front System Fan . . . . . . . . . . . . . . . . . . . . . . 66 Installing the Front System Fan . . . . . . . . . . . . . . . . . . . . . . . 67 Removin
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4 Troubleshooting Your System . . . . . . . . . . . . . . . . . . . . . 91 Safety First—For You and Your System . . . . . . . . . . . . . . . . . . . . . 91 Start-Up Routine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 Checking the Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 Troubleshooting IRQ Assignment Conflicts. . . . . . . . . . . . . . . . . 92 Troubleshooting the Video Subsystem . . . . . . . . . . . . . . . . . . . 92 Troubleshooting
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5 Running the System Diagnostics . . . . . . . . . . . . . . . . . . 111 Using Dell PowerEdge Diagnostics . . . . . . . . . . . . . . . . . . . . . . 111 System Diagnostics Features . . . . . . . . . . . . . . . . . . . . . . . . . 111 When to Use the System Diagnostics . . . . . . . . . . . . . . . . . . . . . 112 Running the System Diagnostics . . . . . . . . . . . . . . . . . . . . . . . 112 From the Utility Partition . . . . . . . . . . . . . . . . . . . . . . . . . 112 From Removable B
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Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155 8 Contents
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About Your System This section describes the physical, firmware, and software interface features that provide and ensure the essential functioning of your system. The physical connectors on your system’s front and back panels provide convenient connectivity and system expansion capability. The system firmware, applications, and operating systems monitor the system and component status and alert you when a problem arises. System conditions can be reported by any of the following: Front or b
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Updates are sometimes included with the system to describe changes to the system, software, and/or documentation. NOTE: Always check for updates on support.dell.com and 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. Accessing System Features During Startup T
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Front-Panel Features and Indicators Figure 1-1 shows the controls, indicators, and connectors located on the system's front panel. Table 1-2 provides component descriptions. Figure 1-1. Front-Panel Features and Indicators 6 5 4 123 1 power button 2 power-on indicator 3 hard-drive activity indicator 4 system status indicator 5 security lock 6 USB connectors (2) About Your System 11
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Table 1-2. Front-Panel Components Item Component Icon Description 1 Power button The power button turns system power off and on. NOTICE: If you turn off the system using the power button and the system is running an ACPI-compliant operating system, the system can perform an orderly shutdown before power is turned off. If the power button is pressed for more than 4 seconds, the system power will turn off regardless of the current operating system state. If the system is not running an ACPI-
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Back-Panel Features and Indicators Figure 1-2 shows the connectors located on the system's back panel. Figure 1-2. Back-Panel Features 1 2 3 4 5 6 7 8 1 AC power connector 2 mouse connector 3 keyboard connector 4 serial connectors (5) 5 video connector 6 USB connector (2) 7 NIC connector 8 expansion slots (5) About Your System 13
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Connecting External Devices When connecting external devices to your system, follow these guidelines: Most devices must be connected to a specific connector and device drivers must be installed before the device operates properly. (Device drivers are normally included with your operating system software or with the device itself.) See the documentation that accompanied the device for specific installation and configuration instructions. Always attach an external device while your system
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Diagnostics Indicator Codes Four diagnostic indicator lights are located behind the bezel on the I/O control panel. To access the lights, see "Opening the System" on page 43. These lights display error codes during system startup. Table 1-4 lists the causes and corrective actions associated with these codes and the power light status before system POST. Table 1-6 lists the causes and possible corrective actions for these codes during POST. A highlighted circle indicates the light is on; a no
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Table 1-4. Diagnostic Indicator Codes (continued) Code Causes Corrective Action Possible USB failure. See "Troubleshooting a USB Device" on page 95. A B C D No memory modules See ""Troubleshooting System Memory" on detected. page 100. A B C D System board failure. See "Getting Help" on page 121." A B C D Memory configuration See "Troubleshooting System Memory" on error. page 100. A B C D Possible system board See "Getting Help" on page 121." resource and/or system board hardware failure. A B
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Hard-Drive Indicator Codes If an optional SAS backplane is installed in the system, two indicators on each of the hard-drive carriers provide information on the status of the hard drives. See Figure 1-4 and Table 1-5. The SAS backplane firmware controls the drive power-on/fault indicator. Figure 1-4. Hard-Drive Indicators 1 2 1 drive status indicator 2 drive busy indicator About Your System 17
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Table 1-5 lists the drive indicator patterns. Different patterns are displayed as drive events occur in the system. For example, if a hard drive fails, the "drive failed" pattern appears. After the drive is selected for removal, the "drive being prepared for removal" pattern appears, followed by the "drive ready for insertion or removal" pattern. After the replacement drive is installed, the "drive being prepared for operation" pattern appears, followed by the "drive online" pattern. NOTE:
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Table 1-6. System Messages (continued) Message Causes Corrective Actions Attempting to update Remote Configuration is in Wait until the process is complete. Remote Configuration. progress. Please wait.... BIOS Update Attempt BIOS remote update failed. Retry update. Failed Caution! NVRAM_CLR jumper NVRAM_CLR jumper is installed. Remove the NVRAM_CLR jumper. is installed on system See "System Board Jumpers" on board. page 115 for the jumper location. Data error Faulty diskette, diskette drive, R
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Table 1-6. System Messages (continued) Message Causes Corrective Actions Drive not ready Diskette missing or improperly Reinsert or replace the diskette. inserted in diskette drive. Error: Incorrect memory An unmatched pair of memory Install a matched pair of memory configuration. Ensure modules is installed. modules, or remove the memory memory in slots DIMM1_A module in socket DIMM1_B. See and DIMM1_B, DIMM2_A and "General Memory Module Installation DIMM2_B match identically Guidelines" on
