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Dell OptiPlex 390 Mini-Tower Owner's
Manual
Regulatory Model D12M
Regulatory Type D12M001
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Notes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you make better use of your
computer.
CAUTION: A CAUTION indicates potential damage to hardware or loss of data if
instructions are not followed.
WARNING: A WARNING indicates a potential for property damage, personal injury, or
death.
Information in this publication is subject to change without notice.
© 2011 Dell Inc. All rights reserved.
Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is
strictly forbidden.
Trademarks used in this text:
Latitude™, Latitude ON™, OptiPlex™, Vostro™, and Wi-Fi Catcher™ are trademarks of Dell Inc. Intel®,
Pentium®, Xeon®, Core™, Atom™, Centrino®, and Celeron® are registered trademarks or trademarks of Intel
Corporation in the U.S. and other countries. AMD® is a registered trademark and AMD Opteron™,
AMD Phenom™, AMD Sempron™, AMD Athlon™, ATI Radeon™, and ATI FirePro™ are trademarks of
Advanced Micro Devices, Inc. Microsoft®, Windows®, MS-DOS®, Windows Vista®, the Windows Vista start
button, and Office Outlook
United States and/or other countries.
(BDA) and licensed for use on discs and players. The
owned by the
registered trademark of Wireless Ethernet Compatibility Alliance, Inc.
Other trademarks and trade names may be used in this publication 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.
Bluetooth
Dell™, the DELL logo, Dell Precision™, Precision ON™,ExpressCharge™,
®
are either trademarks or registered trademarks of Microsoft Corporation in the
®
SIG, Inc. and any use of such mark by Dell Inc. is under license.
Blu-ray Disc
™
is a trademark owned by the Blu-ray Disc Association
Bluetooth
®
word mark is a registered trademark and
Wi-Fi
®
is a
2011 — 07
Rev. A00
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Contents
Notes, Cautions, and Warnings..................................................................2
1 Working on Your Computer......................................................................7
Before Working Inside Your Computer.............................................................................7
Recommended Tools.........................................................................................................8
Turning Off Your Computer................................................................................................8
After Working Inside Your Computer................................................................................9
2 Cover..........................................................................................................11
Removing the Cover........................................................................................................11
Installing the Cover.........................................................................................................11
3 Front Bezel.................................................................................................13
Removing the Front Bezel................................................................................................13
Installing The Front Bezel................................................................................................14
4 Expansion Card Tab.................................................................................15
Removing the Expansion Card.........................................................................................15
Installing The Expansion Card.........................................................................................17
5 Optical Drive..............................................................................................19
Removing the Optical Drive.............................................................................................19
Installing The Optical Drive.............................................................................................20
6 Hard Drive..................................................................................................21
Removing the Hard Drive................................................................................................21
Installing The Hard Drive ................................................................................................22
7 Memory......................................................................................................23
Removing the Memory....................................................................................................23
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Installing the Memory.....................................................................................................24
8 Chassis Intrusion Switch........................................................................25
Removing The Chassis Intrusion Switch.........................................................................25
Installing the Intrusion Switch........................................................................................26
9 Speaker......................................................................................................27
Removing The Speaker...................................................................................................27
Installing the Speaker.....................................................................................................28
10 Heat Sink And Processor......................................................................29
Removing the Heat Sink and Processor..........................................................................29
Installing the Heat Sink and Processor...........................................................................31
11 Coin-Cell Battery....................................................................................33
Removing The Coin-Cell Battery.....................................................................................33
Installing The Coin-Cell Battery.......................................................................................34
12 Power Switch Cable..............................................................................35
Removing the Power-Switch Cable................................................................................35
Installing the Power-Switch Cable..................................................................................37
13 Front Thermal Sensor............................................................................39
Removing the Front Thermal Sensor...............................................................................39
Installing the Front Thermal Sensor................................................................................40
14 System Fan..............................................................................................41
Removing The Chassis Fan..............................................................................................41
Installing the Chassis Fan................................................................................................42
15 Input/Output Panel.................................................................................43
Removing the Input/Output Panel...................................................................................43
Installing the Input/Output Panel.....................................................................................45
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16 Power Supply..........................................................................................47
Removing The Power Supply..........................................................................................47
Installing the Power Supply............................................................................................49
17 System Board..........................................................................................51
Removing The System Board..........................................................................................51
Installing the System Board............................................................................................56
18 System Setup..........................................................................................57
System Setup..................................................................................................................57
Boot Menu.......................................................................................................................57
Boot Menu Enhancements..............................................................................................57
Timing Key Sequences....................................................................................................58
Beep Codes and Text Error Messages............................................................................59
Navigation.......................................................................................................................59
System Setup Options.....................................................................................................59
19 Troubleshooting......................................................................................69
Diagnostic LEDs..............................................................................................................69
Beep Codes.....................................................................................................................76
Error Messages...............................................................................................................79
20 Specifications.........................................................................................83
Specification...................................................................................................................83
21 Contacting Dell.......................................................................................91
Contacting Dell................................................................................................................91
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Working on Your Computer 1
Before Working Inside Your Computer
Use the following safety guidelines to help protect your computer from potential
damage and to help to ensure your personal safety. Unless otherwise noted,
each procedure included in this document assumes that the following
conditions exist:
• You have read the safety information that shipped with your computer.
• A component can be replaced or--if purchased separately--installed by
performing the removal procedure in reverse order.
WARNING: Before working inside your computer, read the safety information that
shipped with your computer. For additional safety best practices information, see
the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
CAUTION: Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist
grounding strap or by periodically touching an unpainted metal surface, such as a
connector on the back of the computer.
CAUTION: Handle components and cards with care. Do not touch the components
or contacts on a card. Hold a card by its edges or by its metal mounting bracket.
Hold a component such as a processor by its edges, not by its pins.
CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not
on the cable itself. Some cables have connectors with locking tabs; if you are
disconnecting this type of cable, press in on the locking tabs before you disconnect
the cable. As you pull connectors apart, keep them evenly aligned to avoid bending
any connector pins. Also, before you connect a cable, ensure that both connectors
are correctly oriented and aligned.
NOTE: The color of your computer and certain components may appear differently
than shown in this document.
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To avoid damaging your computer, perform the following steps before you begin
working inside the computer.
1. Ensure that your work surface is flat and clean to prevent the computer
cover from being scratched.
2. Turn off your computer (see Turning Off Your Computer).
CAUTION: To disconnect a network cable, first unplug the cable from your
computer and then unplug the cable from the network device.
3. Disconnect all network cables from the computer.
4. Disconnect your computer and all attached devices from their electrical
outlets.
5. Press and hold the power button while the computer is unplugged to
ground the system board.
6. Remove the cover.
CAUTION: Before touching anything inside your computer, ground yourself by
touching an unpainted metal surface, such as the metal at the back of the
computer. While you work, periodically touch an unpainted metal surface to
dissipate static electricity, which could harm internal components.
Recommended Tools
The procedures in this document may require the following tools:
• Small flat-blade screwdriver
• Phillips screwdriver
• Small plastic scribe
• Flash BIOS update program media
Turning Off Your Computer
CAUTION: To avoid losing data, save and close all open files and exit all open
programs before you turn off your computer.
1. Shut down the operating system:
• In Windows 7:
Click Start , then click Shut Down.
• In Windows Vista:
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Click Start , then click the arrow in the lower-right corner of the Start
menu as shown below, and then click Shut Down.
• In Windows XP:
Click Start → Turn Off Computer → Turn Off . The computer turns off
after the operating system shutdown process is complete.
2. Ensure that the computer and all attached devices are turned off. If your
computer and attached devices did not automatically turn off when you
shut down your operating system, press and hold the power button for
about 6 seconds to turn them off.
After Working Inside Your Computer
After you complete any replacement procedure, ensure you connect any
external devices, cards, and cables before turning on your computer.
1. Replace the cover.
CAUTION: To connect a network cable, first plug the cable into the network device
and then plug it into the computer.
2. Connect any telephone or network cables to your computer.
3. Connect your computer and all attached devices to their electrical outlets.
4. Turn on your computer.
5. Verify that the computer works correctly by running the Dell Diagnostics.
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Cover 2
Removing the Cover
1. Follow the procedures in
2. Pull up the cover release-latch at the side of the computer.
3. Lift the cover upward to a 45–degree angle and remove it from the
computer.
Before Working Inside Your Computer
.
Installing the Cover
1. Place the cover on the computer.
2. Press down on the cover till it clicks into place.
3. Follow the procedures in
After Working Inside Your Computer
.
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Front Bezel 3
Removing the Front Bezel
1. Follow the procedures in
2. Remove the
3. Pry the front bezel retention clips away from the chassis located at the side
edge of front bezel.
4. Rotate the bezel away from the computer to release the hooks on the
opposite edge of the bezel from the chassis.
cover
Before Working Inside Your Computer
.
.
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Installing The Front Bezel
1. Insert the hooks along the bottom edge of the front bezel into the slots on
the chassis front.
2. Rotate the bezel toward the computer to engage the four front-bezel
retention clips until they click into place.
3. Install the
4. Follow the procedures in
cover
.
After Working Inside Your Computer
.
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Expansion Card Tab 4
Removing the Expansion Card
1. Follow the procedures in
2. Remove the
3. Push the release tab on the card-retention latch outward.
4. Pull the release lever away from the PCIe x16 card to release the securing
tab from the dent in the card. Then, ease the card up and out of its
connector and remove it from the computer.
cover
Before Working Inside Your Computer
.
.
5. Lift the PCIe x1 expansion card (if any) up and out of its connector and
remove it from the computer.
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6. Lift the PCI expansion card (if any) up and out of its connector and remove
it from the computer.
7. Lift the PCI x4 expansion card (if any) up and out of its connector and
remove it from the computer.
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Installing The Expansion Card
1. Insert the PCIe x4 card into the connector on the system board and press
down to secure it in place.
2. Insert the PCIe card (if any) into the connector on the system board and
press down to secure it in place.
3. Insert the PCIe x1 card (if any) into the connector on the system board and
press down to secure it in place.
4. Insert the PCIe x16 card (if any) into the connector on the system board and
press down to secure it in place.
5. Press the retention tab on the card-retention latch downwards.
6. Install the
7. Follow the procedures in
cover
.
After Working Inside Your Computer
.
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Optical Drive 5
Removing the Optical Drive
1. Follow the procedures in
2. Remove the
3. Remove the
4. Remove the data cable and power cable from the back of the optical drive.
5. Slide down the optical drive latch and then push the optical drive from the
back towards the front of the computer.
cover
front bezel
Before Working Inside Your Computer
.
.
.
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6. Repeat steps 4 and 5 to remove the second optical drive (if available).
Installing The Optical Drive
1. Slide up the optical drive latch and push the optical drive from the front
towards the back of the computer.
2. Connect the data cable and power cable to the optical drive.
3. Install the
4. Install the
5. Follow the procedures in
front bezel
cover
.
.
After Working Inside Your Computer
.
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Hard Drive 6
Removing the Hard Drive
1. Follow the procedures in
2. Remove the
3. Remove the data cable and power cable from the back of the hard drive.
4. Press both blue securing-bracket tabs inwards and lift the hard drive
bracket out of the bay.
cover
Before Working Inside Your Computer
.
.
5. Flex the hard-drive bracket and then remove the hard drive from the
bracket.
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6. Repeat the above steps for the second hard drive, if available.
Installing The Hard Drive
1. Flex the hard drive bracket and then insert the hard drive into the bracket.
2. Press both blue securing-bracket tabs inward and slide the hard drive
bracket into the bay in the chassis.
3. Connect the data cable and power cable to the back of the hard drive.
cover
4. Install the
5. Follow the procedures in
.
After Working Inside Your Computer
.
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Memory 7
Removing the Memory
1. Follow the procedures in
2. Remove the
3. Release the memory-retention clips on each side of the memory modules.
4. Lift the memory modules out of the connectors on the system board.
cover
Before Working Inside Your Computer
.
.
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Installing the Memory
1. Insert the memory modules into the connectors on the system board. Install
the memory in the order of A1 > B1 > A2 > B2.
2. Press down on the memory modules until the retention clips spring back to
secure them in place.
3. Install the
4. Follow the procedures in
cover
.
After Working Inside Your Computer
.
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Chassis Intrusion Switch 8
Removing The Chassis Intrusion Switch
1. Follow the procedures in
2. Remove the
3. Disconnect the intrusion switch-cable from system board.
4. Slide the intrusion switch toward the chassis bottom and remove it from the
system board.
cover
Before Working Inside Your Computer
.
.
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Installing the Intrusion Switch
1. Insert the intrusion switch into the chassis rear and slide it toward the
chassis top to secure it.
2. Connect the intrusion switch cable to the system board.
3. Install the
4. Follow the procedures in
cover
.
After Working Inside Your Computer
.
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Speaker 9
Removing The Speaker
1. Follow the procedures in
2. Remove the
3. Disconnect the speaker cable from the system board.
4. Unthread the speaker cable from the chassis clip.
cover
Before Working Inside Your Computer
.
.
5. Press down the speaker-securing tab and slide the speaker upwards to
remove it.
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Installing the Speaker
1. Press the speaker-securing tab and slide the speaker downward to secure
it.
2. Thread the speaker cable into the chassis clip.
3. Connect the speaker cable to the system board.
4. Install the
5. Follow the procedures in
cover
.
After Working Inside Your Computer
.
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Heat Sink And Processor 10
Removing the Heat Sink and Processor
1. Follow the procedures in
2. Remove the
3. Disconnect the heat sink assembly cable from the system board.
4. Loosen the captive screws that secure the heat sink assembly to the
system board.
cover
Before Working Inside Your Computer
.
.
5. Lift the heat sink assembly upwards and remove it from the computer. Lay
the assembly with the fan facing downwards, and with the thermal grease
facing upwards.
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6. Press the release lever down and then move it outwards to release it from
the retention hook that secures it.
7. Lift the processor cover.
8. Lift the processor to remove it from the socket and place it in an antistatic
package.
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Installing the Heat Sink and Processor
1. Insert the processor into the processor socket. Ensure the processor is
properly seated.
2. Lower the processor cover.
3. Press the release lever down and then move it inward to secure it with the
retention hook.
4. Place the heat sink assembly into the chassis.
5. Tighten the captive screws to secure the heat sink assembly to the system
board.
6. Connect the heat sink assembly cable to the system board.
7. Install the
8. Follow the procedures in
cover
.
After Working Inside Your Computer
.
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Coin-Cell Battery 11
Removing The Coin-Cell Battery
1. Follow the procedures in
2. Remove the
3. Press the release latch away from the coin-cell battery to allow the battery
to pop-up from the socket.
4. Lift the coin-cell battery out of the computer.
cover
Before Working Inside Your Computer
.
.
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Installing The Coin-Cell Battery
1. Place the coin-cell battery into its slot on the system board.
2. Press the coin-cell battery downwards until it is secured.
3. Install the
4. Follow the procedures in
cover
.
After Working Inside Your Computer
.
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Power Switch Cable 12
Removing the Power-Switch Cable
1. Follow the procedures in
2. Remove the
3. Remove the
4. Remove the
5. Disconnect the power-switch cable from the system board.
6. Unthread the power-switch cable from the chassis clips.
cover
front bezel
optical drive
Before Working Inside Your Computer
.
.
.
.
7. Unthread the power-switch cable from the chassis clip.
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8. Pry the power-switch cable free.
9. Slide the power-switch cable out through the front of the computer.
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Installing the Power-Switch Cable
1. Slide the power-switch cable in through the front of the computer.
2. Secure the power-switch cable to the chassis.
3. Thread the power-switch cable into the chassis clips.
4. Connect the power-switch cable to the system board.
5. Install the
6. Install the
7. Install the
8. Follow the procedures in
optical drive
front bezel
cover
.
.
.
After Working Inside Your Computer
.
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Front Thermal Sensor 13
Removing the Front Thermal Sensor
1. Follow the procedures in
2. Remove the
3. Disconnect the thermal sensor cable from the system board.
4. Unthread the thermal sensor cable from the chassis clip.
cover
Before Working Inside Your Computer
.
.
5. Pry the thermal sensor away from the chassis front and remove.
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Installing the Front Thermal Sensor
1. Secure the thermal sensor to the chassis front.
2. Thread the thermal sensor cable into the chassis clips.
3. Connect the thermal sensor cable to the system board.
4. Install the
5. Follow the procedures in
cover
.
After Working Inside Your Computer
.
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System Fan 14
Removing The Chassis Fan
1. Follow the procedures in
2. Remove the
3. Disconnect the chassis fan cable from the system board.
4. Pry and remove the system fan away from the four grommets securing it to
the back of the computer.
cover
Before Working Inside Your Computer
.
.
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Installing the Chassis Fan
1. Place the chassis fan in the chassis.
2. Pass the four grommets through the chassis and slide outward along the
grooves to secure them in place.
3. Connect the fan cable to the system board.
4. Install the
5. Follow the procedures in
cover
.
After Working Inside Your Computer
.
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Input/Output Panel 15
Removing the Input/Output Panel
1. Follow the procedures in
2. Remove the
3. Remove the
4. Disconnect the Input/Output Panel and FlyWire cable from the system
board.
5. Unthread the Input/Output Panel and FlyWire cable from the clip on the
computer.
cover
front bezel
Before Working Inside Your Computer
.
.
.
6. Remove the screw that secures the Input/Output panel to the computer.
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7. Slide the Input/Output panel towards the left of the computer to release it.
8. Remove the Input/Output panel by routing the cable through the front of the
computer.
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Installing the Input/Output Panel
1. Insert the Input/Output panel into the slot on the chassis front.
2. Slide the Input/Output panel towards the right of the computer to secure to
the chassis.
3. Tighten the single screw to secure the Input/Output panel to the chassis.
4. Thread the Input/Output panel/FlyWire cable into the chassis clip.
5. Connect the Input/Output panel/FlyWire cable to the system board.
6. Install the
7. Install the
8. Follow the procedures in
front bezel
cover
.
.
After Working Inside Your Computer
.
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Power Supply 16
Removing The Power Supply
1. Follow the procedures in
2. Remove the
3. Disconnect the power cables connected to the hard drive(s) and optical
drive(s).
4. Unthread the power cables from the clips in the computer.
cover
Before Working Inside Your Computer
.
.
5. Disconnect the 24-pin power cable from the system board.
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6. Disconnect the 4-pin power cable from the system board.
7. Remove the screws that secure the power supply to the back of the
computer.
8. Push in on the blue release tab beside the power supply, and slide the
power supply towards the front of the computer.
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9. Lift the power supply out of the computer.
Installing the Power Supply
1. Place the power supply in the chassis and slide towards the back of the
computer to secure it.
2. Tighten the screws securing the power supply to the back of the computer.
3. Connect the 4-pin power cable to the system board.
4. Connect the 24-pin power cable to the system board.
5. Thread the power cables into the chassis clips.
6. Connect the power cables connected to the hard drives(s) and optical
drive(s).
7. Install the
8. Follow the procedures in
cover
.
After Working Inside Your Computer
.
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System Board 17
Removing The System Board
1. Follow the procedures in
2. Remove the
3. Remove the
4. Remove the
5. Remove the heat sink and processor.
6. Disconnect all the cables connected to the system board.
cover
front bezel
expansion card
Before Working Inside Your Computer
.
.
.
.
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7. Remove the screws that secure the system board to the computer.
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8. Slide the system board towards the front of the computer.
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9. Carefully tilt the system board to 45 degrees, and then lift the system board
out of the computer.
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Installing the System Board
1. Align the system board to the port connectors on the rear of the chassis
and place the system board in the chassis.
2. Tighten the screws securing the system board to the chassis.
3. Connect the cables to the system board.
4. Install the
5. Install the
6. Install the
7. Install the
8. Follow the procedures in
heatsink and processor
expansion card
front bezel
cover
.
.
.
After Working Inside Your Computer
.
.
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System Setup 18
System Setup
This computer offers you the following options:
• Access System Setup by pressing <F2>
• Bring up a one-time boot menu by pressing <F12>
Press <F2> to enter System Setup and make changes to the user-definable
settings. If you have trouble entering System Setup using this key, press <F2>
when the keyboard LEDs first flash.
Boot Menu
This feature gives users a quick and convenient mechanism to bypass the
System Setup-defined boot device order and boot directly to a specific device
(for example: floppy, CD-ROM, or hard drive).
Keystroke Function
<Ctrl><Alt><F8> one-time boot and diagnostics utility menu
<F12> one-time boot and diagnostics utility menu
Boot Menu Enhancements
The boot menu enhancements are as follows:
• Easier access — Although the <Ctrl><Alt><F8> keystroke still exists and can
be used to call up the menu, simply press <F12> during system boot to
access the menu.
• User prompting — Not only is the menu easy to access, when you are
prompted to use the keystroke on the BIOS splash screen (see image
below). The keystroke is not "hidden".
• Diagnostics options — The boot menu includes two diagnostic options, IDE
Drive Diagnostics (90/90 Hard Drive Diagnostics) and Boot to the Utility
Partition. The benefit here is that you do not have to remember the
<Ctrl><Alt><D> and <Ctrl><Alt><F10> keystrokes (although they still work).
NOTE: The BIOS features an option to disable either or both of the keystroke
prompts under the System Security / Post Hotkeys submenu.
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When you enter the <F12> or <Ctrl><Alt><F8> keystroke correctly, the computer
beeps. The key sequence invokes the Boot Device Menu.
Since the one-time boot menu only affects the current boot, it has the added
benefit of not requiring the technician to restore the customer's boot order after
completing troubleshooting.
Timing Key Sequences
The keyboard is not the first device initialized by Setup. As a result, if you press
a keystroke too early, you lock out the keyboard. When this happens, a
keyboard error message appears on the monitor, and you cannot restart the
system with the <Ctrl><Alt><Del> keys.
To avoid this scenario, wait until the keyboard is initialized before pressing the
keystroke. There are two ways to know that this has happened:
• The keyboard lights flash.
• The "F2=Setup" prompt appears in the top right-hand corner of the screen
during boot.
The second method is good if the monitor is already warmed up. If it is not, the
system often passes the window of opportunity before the video signal is
visible. If this is the case, rely on the first method—the keyboard lights—to
know the keyboard is initialized.
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Beep Codes and Text Error Messages
The OptiPlex BIOS is capable of displaying error messages in plain English,
along with beep codes. If the BIOS determine the previous boot was
unsuccessful, it displays an error message similar to the following:
Previous attempts at booting the system have failed
at checkpoint ______. For help resolving this
problem, please note this checkpoint and contact
Dell Technical Support.
Navigation
The computer setup can be navigated by either the keyboard or the mouse.
Use the following keystrokes to navigate the BIOS screens:
Action Keystroke
Expand and collapse field <Enter>, left- or right-arrow key, or +/–
Expand or collapse all fields < >
Exit BIOS <Esc> — Remain in Setup, Save/Exit,
Discard/Exit
Change a setting Left or right-arrow key
Select field to change <Enter>
Cancel modification <Esc>
Reset defaults <Alt><F> or Load Defaults menu option
System Setup Options
NOTE: Depending on the computer and its installed devices, the items listed in this
section may or may not appear.
General
System Information Displays the following information:
• System Information: Displays BIOS Version, Service Tag,
Asset Tag, Ownership Date, Manufacture Date, and the
Express Service Code.
• Memory Information: Displays Memory Installed, Memory
Available, Memory Speed, Memory Channels Mode,
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General
Memory Technology, DIMM 1 Size, DIMM 2 Size, DIMM 3
Size, and DIMM 4 Size.
• Processor Information: Displays Processor Type, Core
Count, Processor ID, Current Clock Speed, Minimum Clock
Speed, Maximum Clock Speed, Processor L2 Cache,
Processor L3 Cache, HT Capable, and 64-Bit Technology.
• PCI Information: Displays SLOT1, SLOT2, SLOT3, SLOT4
• Device Information: Displays SATA-0, SATA-1, SATA-2,
SATA-3, and LOM MAC Address.
Boot Sequence Allows you to specify the order in which the computer attempts
to find an operating system from the devices specified in this
list.
• USB Storage Device
• CD/DVD/CD-RW Drive
• Onboard NIC
Date/Time Allows you to set the date and time settings. Changes to the
system date and time take effect immediately.
System Configuration
Integrated NIC Allows you to enable or disable the integrated network card.
You can set the integrated NIC to:
• Disabled
• Enabled (default)
• Enabled w/PXE
• Enabled w/ImageServer
NOTE: Depending on the computer and its installed devices,
the items listed in this section may or may not appear.
Serial Port Allows you to set the serial port settings. You can set the serial
port to:
• Disabled
• Auto
• COM1
• COM2
• COM3
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System Configuration
• COM4
NOTE: The operating system may allocate resources even
though the setting is disabled.
SATA Operation Allows you to configure the operating mode of the integrated
hard drive controller.
• Disabled = The SATA controllers are hidden
• ATA = SATA is configured for ATA mode
Drives Allows you to enable or disable the various drives on-board:
• SATA-0
• SATA-1
• SATA-2
• SATA-3
Smart Reporting This field controls whether hard drive errors for integrated
drives are reported during system startup. This option is
disabled by default.
USB Configuration Allows you to enable or disable the integrated USB controller
for:
Miscellaneous
Devices
Security
Administrative
Password
System Password
• Boot Support
• Rear Dual USB Ports
• Front USB Ports
• Rear Quad USB Ports
Allows you to enable or disable the Wi-Fi Radio.
Allows you to set restricted access to system setup program.
This option is not set by default.
Displays the current status of the system's password security
feature and allows a new system password to be assigned and
verified.
This option is not set by default.
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Security
Internal HDD-0
Password
Strong Password This option lets you enable or disable strong passwords for the
Displays the current status of the password on the system's
internal hard disk drive (HDD).
This option is not set by default
system.
Password
Configuration
Password Bypass This option lets you bypass the System (Boot) Password and the
Password Changes This option lets you determine whether changes to the System
Computrace This field lets you Activate or Disable the BIOS module interface
Allows you to control the minimum and maximum number of
characters allowed for a administrative password and the
system password.
internal HDD password prompts during a system restart.
• Disabled — Always prompt for the system and internal HDD
password when they are set. This option is disabled by
default.
• Reboot Bypass — Bypass the password prompts on
Restarts (warm boots).
NOTE: The system will always prompt for the system and
internal HDD passwords when powered on from the off
state (a cold boot). Also, the system will always prompt for
passwords on any module bay HDDs that may be present.
and Hard Disk passwords are permitted when an administrator
password is set. W
Allow Non-Admin Password Changes - This option is enabled by
default.
of the optional Computrace Service from Absolute Software.
Enables or disables the optional Computrace service designed
for asset management.
• Deactivate - This option is disabled by default.
• Disable
• Activate
Chassis Intrusion Allows you to control the chassis intrusion feature. You can set
this option to:
• Enable
• Disable
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Security
• On-Silent — Enabled by default if chassis intrusion is
detected.
CPU XD Support Allows you to enable or disable the Execute Disable mode of the
processor. This option is enabled by default.
OROM Keyboard
Access
Admin Setup Lockout Allows you to enable or disable the option to enter Setup when
Performance
Multi Core Support This field specifies whether the process will have one or all
Intel SpeedStep Allows you to enable or disable the Intel SpeedStep mode of the
This option determines whether users are able to enter Option
ROM Configuration screens via hotkeys during boot.
Specifically, these settings are capable of preventing access to
Intel RAID (CTRL+I) or Intel Management Engine BIOS Extension
(CTRL+P/F12)
• Enable — User may enter OROM configuration screens via
the hotkey.
• One-Time Enable — User may enter OROM configuration
screens via the hotkeys on next boot only. After next boot,
the setting will revert to disabled.
• Disable — User may not enter OROM configuration screens
via the hotkey.
This option is set to Enable by default.
an Administrative password is set. This option is not set by
default.
cores enabled. This option is enabled by default.
processor. This option is disabled by default.
C States Control Allows you to enable or disable additional processor sleep
states. This option is disabled by default.
Hyper-Thread
Control
Power Management
AC Recovery Determines how the system responds when AC power is re-
Allows you to enable or disable the Hyper-Threading
Technology. This option is enabled by default.
applied after a power loss. You can set the AC Recovery to:
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Power Management
• Power Off
• Power On
• Last State
This option is Power Off by default.
Auto On Time Sets time to automatically turn on the computer. Time is kept in
standard 12-hour format (hour:minutes:seconds). Change the
startup time by typing the values in the time and AM/PM fields.
NOTE: This feature does not work if you turn off your
computer using the switch on a power strip or surge
protector or if Auto Power is set to disabled.
Deep Sleep Control Allows you to define the controls when Deep Sleep is enabled.
• Disabled
• Enabled in S5 only
• Enabled in S4 and S5
This option is Disabled by default.
Fan Control Override Controls the speed of the system fan. This option is disabled by
default.
NOTE: When enabled, the fan runs at full speed.
Wake on LAN This option allows the computer to power up from the off state
when triggered by a special LAN signal. This feature only works
when the computer is connected to AC power supply.
• Disabled - Does not allow the system to power on by special
LAN signals when it receives a wake-up signal from the
LAN or wireless LAN.
• LAN Only - Allows the system to be powered on by special
LAN signals.
This option is Disabled by default.
POST Behavior
Numlock LED Allows you to enable or disable the Numlock feature when your
computer starts. This option is enabled by default.
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POST Behavior
Keyboard Errors Allows you to enable or disable the keyboard error reporting
when the computer starts. This option is enabled by default.
POST Hotkeys Allows you to specify the function keys to display on the screen
when the computer starts.
Enable F12 — Boot menu (enabled by default)
Fast Boot This option can speed up the boot process by bypassing some
compatibility steps:
• Minimal — The system boots quickly, unless the BIOS has
been updated, memory changed, or the previous POST did
not complete.
• Thorough — The system does not skip any steps in the boot
process.
• Auto — This allows the operating system to control this
setting (this works only when the operating system supports
Simple Boot Flag).
This option is set to Thorough by default.
Virtualization Support
Virtualization This option specifies whether a Virtual Machine Monitor (VMM)
can utilize the additional hardware capabilities provided by
Intel® Virtualization Technology. Enable Intel Virtualization
Technology - This option is disabled by default.
VT for Direct I/O Enables or disables the Virtual Machine Monitor (VMM) from
utilizing the additional hardware capabilities provided by Intel®
Virtualization technology for direct I/O. Enable Intel
Virtualization Technology for Direct I/O - This option is disabled
by default.
Maintenance
Service Tag Displays the Service Tag of your computer.
Asset Tag Allows you to create a system asset tag if an asset tag is not
already set. This option is not set by default.
SERR Messages Controls the SERR message mechanism. This option is not set
by default. Some graphics cards require that the SERR message
mechanism be disabled.
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Image Server
Lookup Method Specifies how the ImageServer looks up the server address.
• Static IP
• DNS (enabled by default)
NOTE: This field is only relevant when the "Integrated NIC"
control in the "System Configuration" group is set to "Enabled
with ImageServer".
ImageServer IP Specifies the primary static IP address of the ImageServer with
which the client software communicates. The default IP
address is 255.255.255.255.
NOTE: This field is only relevant when the "Integrated NIC"
control in the "System Configuration" group is set to "Enabled
with ImageServer" and when "Lookup Method" is set to
"Static IP".
ImageServer Port Specifies the primary IP port of the ImageServer with which the
client communicates. The default IP port is 06910.
NOTE: This field is only relevant when the "Integrated NIC"
control in the "System Configuration" group is set to "Enabled
with ImageServer".
Client DHCP Specifies how the client obtains the IP address.
• Static IP
• DNS (enabled by default)
NOTE: This field is only relevant when the "Integrated NIC"
control in the "System Configuration" group is set to "Enabled
with ImageServer".
Client IP Specifies the static IP address of the client. The default IP
address is 255.255.255.255.
NOTE: This field is only relevant when the "Integrated NIC"
control in the "System Configuration" group is set to "Enabled
with ImageServer" and when "Client DHCP" is set to "Static
IP".
Client Subnet Mask Specifies the subnet mask of the client. The default setting is
255.255.255.255.
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Image Server
NOTE: This field is only relevant when the "Integrated NIC"
control in the "System Configuration" group is set to "Enabled
with ImageServer" and when "Client DHCP" is set to "Static
IP".
Client Gateway Specifies the gateway IP address for the client. The default
setting is 255.255.255.255.
NOTE: This field is only relevant when the "Integrated NIC"
control in the "System Configuration" group is set to "Enabled
with ImageServer" and when "Client DHCP" is set to "Static
IP".
License Status Displays the current license status.
System Logs
BIOS Events Displays the system event log and allows you to:
• Clear Log
• Mark all Entries
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Troubleshooting 19
Diagnostic LEDs
NOTE: The diagnostic LEDs only serve as an indicator of the progress through the
Power-on Self-Test (POST) process. These LEDs do not indicate the problem that
caused the POST routine to stop.
The diagnostic LEDs are located on the front of the chassis next to the power
button. These diagnostic LEDs are only active and visible during the POST
process. Once the operating system starts to load, they turn off and are no
longer visible.
The system now includes pre-POST and POST LEDs in an attempt to help
identifying a possible problem with the system easier and more accurate.
NOTE: The diagnostic lights will blink when the power button is amber or off, and
will not blink when it is blue. This has no other significance.
Diagnostic Light Patterns
LED
Power Button
Problem
Description
Troubleshooting
Steps
The computer is either turned off or is not receiving
power.
• Re-seat the power cable in the power connector at
the back of the computer and the electrical outlet.
• Bypass power strips, power extension cables, and
other power protection devices to verify that the
computer turns on properly.
• Ensure that any power strips being used are plugged
into an electrical outlet and are turned on.
• Ensure that the electrical outlet is working by testing
it with another device, such as a lamp.
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• Ensure that the main power cable and front panel
cable are securely connected to the system board.
LED
Power Button
Problem Description A possible system board failure has occurred.
Troubleshooting Steps Unplug the computer. Allow one minute for the power
to drain. Plug the computer into a working electrical
outlet and press the power button.
LED
Power Button
Problem
Description
Troubleshooting
Steps
70
A possible system board, power supply, or peripheral
failure has occurred.
• Power off computer, leaving the computer plugged in.
Press and hold the power supply test button at the
rear of the power supply unit. If the LED next to the
switch illuminates, the problem may be with your
system board.
• If the LED next to the switch does not illuminate,
disconnect all internal and external peripherals, and
press and hold the power supply test button. If it
illuminates, there could be a problem with a
peripheral.
• If the LED still does not illuminate, remove the PSU
connections from the system board, then press and
hold the power supply button. If it illuminates, there
could be a problem with the system board.
• If the LED still does not illuminate, the problem is with
the power supply.
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LED
Power Button
Problem
Description
Troubleshooting
Steps
Memory modules are detected, but a memory power
failure has occurred.
• If two or more memory modules are installed, remove
the modules, then re-install one module and re-start
the computer. If the computer starts normally,
continue to install additional memory modules (one at
a time) until you have identified a faulty module or
reinstalled all modules without error. If only one
memory module is installed, try moving it to a different
DIMM connector and re-start the computer.
• If available, install verified working memory of the
same type into your computer.
LED
Power Button
Problem Description BIOS may be corrupt or missing.
Troubleshooting Steps The computer hardware is operating normally but the
BIOS may be corrupt or missing.
LED
Power Button
Problem Description A possible system board failure has occurred.
Troubleshooting
Steps
Remove all peripheral cards from the PCI and PCI-E
slots and re-start the computer. If the computer boots,
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add the peripheral cards back one by one until you find
the bad one.
LED
Power Button
Problem Description Power connector not installed properly.
Troubleshooting Steps Re-seat the 2x2 power connector from the power
supply unit.
LED
Power Button
Problem Description Possible peripheral card or system board failure has
occurred.
Troubleshooting
Steps
Remove all peripheral cards from the PCI and PCI-E
slots and re-start the computer. If the computer boots,
add the peripheral cards back one by one until you find
the bad one.
LED
Power Button
Problem Description A possible system board failure has occurred.
Troubleshooting
Steps
• Disconnect all internal and external peripherals,
and re-start the computer. If the computer boots,
add the peripheral cards back one by one until you
find the bad one.
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• If the problem persists, the system board is faulty.
LED
Power Button
Problem Description A possible coin cell battery failure has occurred.
Troubleshooting Steps Remove the coin cell battery for one minute, reinstall
the battery, and restart.
LED
Power Button
Problem Description A possible processor failure has occurred.
Troubleshooting Steps Re-seat the processor.
LED
Power Button
Problem Description Memory modules are detected, but a memory failure has
occurred.
Troubleshooting
Steps
• If two or more memory modules are installed,
remove the modules, then re-install one module and
re-start the computer. If the computer starts
normally, continue to install additional memory
modules (one at a time) until you have identified a
faulty module or reinstalled all modules without
error.
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• If available, install working memory of the same type
into your computer.
LED
Power Button
Problem Description A possible hard drive failure has occurred.
Troubleshooting Steps Re-seat all power and data cables.
LED
Power Button
Problem Description A possible USB failure has occurred.
Troubleshooting Steps Re-install all USB devices and check all cable
connections.
LED
Power Button
Problem Description No memory modules are detected.
Troubleshooting
Steps
• If two or more memory modules are installed,
remove the modules (see your service manual), then
reinstall one module (see your service manual) and
restart the computer. If the computer starts normally,
continue to install additional memory modules (one
at a time) until you have identified a faulty module or
reinstalled all modules without error.
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• If available, install working memory of the same type
into your computer.
LED
Power Button
Problem Description Memory modules are detected, but a memory
configuration or compatibility error has occurred.
Troubleshooting Steps
• Ensure that no special requirements for memory
module/connector placement exist.
• Ensure that the memory you are using is supported
by your computer.
LED
Power Button
Problem Description A possible expansion card failure has occurred.
Troubleshooting
Steps
• Determine if a conflict exists by removing an
expansion card (not a graphics card) and restarting
the computer.
• If the problem persists, reinstall the card you
removed, then remove a different card and restart
the computer.
• Repeat this process for each expansion card
installed. If the computer starts normally,
troubleshoot the last card removed from the
computer for resource conflicts.
LED
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Power Button
Problem Description A possible system board resource and/or hardware
failure has occurred.
Troubleshooting
Steps
LED
Power Button
Problem
Description
Troubleshooting
Steps
• Clear CMOS.
• Disconnect all internal and external peripherals,
and restart the computer. If the computer boots,
add the peripheral cards back one by one until you
find the bad one.
• If the problem persists, the system board / system
board component is faulty.
Some other failure has occurred.
• Ensure that the display/monitor is plugged into a
discrete graphic card.
• Ensure that all hard drives and optical drive cables
are properly connected to the system board.
• If there is an error message on the screen identifying
a problem with a device ( hard drive), check the
device to make sure it is functioning properly.
• If the operating system is attempting to boot from a
device (optical drive), check system setup to ensure
the boot sequence is correct for the devices installed
on your computer.
Beep Codes
The computer can emit a series of beeps during start-up if the display cannot
show errors or problems. These series of beeps, called beep codes, identify
various problems. The delay between each beep is 300 ms, the delay between
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each set of beeps is 3 sec, and the beep sound lasts 300 ms. After each beep
and each set of beeps, the BIOS should detect if the user presses the power
button. If so, BIOS will jump out from looping and execute the normal shutdown
process and power system.
Code 1-1-2
Cause Microprocessor register failure
Code 1-1-3
Cause NVRAM
Code 1-1-4
Cause ROM BIOS checksum failure
Code 1-2-1
Cause Programmable interval timer
Code 1-2-2
Cause DMA initialization failure
Code 1-2-3
Cause DMA page register read/write failure
Code 1-3-1 through 2-4-4
Cause DIMMs not being properly identified or used
Code 3-1-1
Cause Slave DMA register failure
Code 3-1-2
Cause Master DMA register failure
Code 3-1-3
Cause Master interrupt mask register failure
Code 3-1-4
Cause Slave interrupt mask register failure
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Code 3-2-2
Cause Interrupt vector loading failure
Code 3-2-4
Cause Keyboard Controller Test failure
Code 3-3-1
Cause NVRAM power loss
Code 3-3-2
Cause NVRAM configuration
Code 3-3-4
Cause Video Memory Test failure
Code 3-4-1
Cause Screen initialization failure
Code 3-4-2
Cause Screen retrace failure
Code 3-4-3
Cause Search for video ROM failure
Code 4–2–1
Cause No time tick
Code 4–2–2
Cause Shutdown failure
Code 4–2–3
Cause Gate A20 failure
Code 4–2–4
Cause Unexpected interrupt in protected mode
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Code 4–3–1
Cause Memory failure above address 0FFFFh
Code 4–3–3
Cause Timer-chip counter 2 failure
Code 4–3–4
Cause Time-of-day clock stopped
Code 4–4–1
Cause Serial or parallel port test failure
Code 4–4–2
Cause Failure to decompress code to shadowed memory
Code 4–4–3
Cause Math coprocessor test failure
Code 4–4–4
Cause Cache test failure
Error Messages
Error Message Description
Address mark not found The BIOS found a faulty disk sector or
could not find a particular disk sector.
Alert! Previous attempts at booting this
system have failed at checkpoint [nnnn].
For help in resolving this problem, please
note this checkpoint and contact Dell
Technical Support.
Alert! Security override Jumper is
installed.
Attachment failed to respond The hard drive controller cannot send data
The computer failed to complete the boot
routine three consecutive times for the
same error. Contact Dell and report the
checkpoint code (nnnn) to the support
technician.
The MFG_MODE jumper has been set and
AMT Management features are disabled
until it is removed.
to the associated drive.
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Error Message Description
Bad command or file name Ensure that you have spelled the
command correctly, put spaces in the
proper place, and used the correct path
name.
Bad error-correction code (ECC) on disk
read
Controller has failed The hard drive or the associated controller
Data error The hard drive cannot read the data. For
Decreasing available memory One or more memory modules may be
Gate A20 failure One or more memory modules may be
General failure The operating system is unable to carry
Hard-disk drive configuration error The hard drive failed initialization.
Hard-disk drive controller failure The hard drive failed initialization.
Hard-disk drive failure The hard drive failed initialization.
Hard-disk drive read failure The hard drive failed initialization.
Invalid configuration information-please
run SETUP program
Invalid Memory configuration, please
populate DIMM1
The hard drive controller detected an
uncorrectable read error.
is defective.
the Windows operating system, run the
chkdsk utility to check the file structure of
the hard drive. For any other operating
system, run the appropriate corresponding
utility.
faulty or improperly seated. Re-install the
memory modules and, if necessary,
replace them.
faulty or improperly seated. Reinstall the
memory modules and, if necessary,
replace them.
out the command. This message is usually
followed by specific information—for
example, Printer out of paper. Take the
appropriate action to resolve the problem.
The computer configuration information
does not match the hardware
configuration.
DIMM1 slot does not recognize a memory
module. The module should be re-seated
or installed.
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Error Message Description
Keyboard failure A cable or connector may be loose, or the
keyboard or keyboard/mouse controller
may be faulty.
Memory address line failure at address,
read value expecting value
Memory allocation error The software you are attempting to run is
Memory data line failure at address, read
value expecting value
Memory double word logic failure at
address, read value expecting value
Memory odd/even logic failure at address,
read value expecting value
Memory write/read failure at address,
read value expecting value
Memory size in CMOS invalid The amount of memory recorded in the
Memory tests terminated by keystroke A keystroke interrupted the memory test.
No boot device available The computer cannot find the hard drive.
No boot sector on hard-disk drive The computer configuration information in
No timer tick interrupt A chip on the system board might be
Plug and play configuration error The computer encountered a problem
Read fault The operating system cannot read from
A memory module may be faulty or
improperly seated. Reinstall the memory
modules and, if necessary, replace them.
conflicting with the operating system,
another program, or a utility.
A memory module may be faulty or
improperly seated. Reinstall the memory
modules and, if necessary, replace them.
A memory module may be faulty or
improperly seated. Reinstall the memory
modules and, if necessary, replace them.
A memory module may be faulty or
improperly seated. Reinstall the memory
modules and, if necessary, replace them
A memory module may be faulty or
improperly seated. Reinstall the memory
modules and, if necessary, replace them.
computer configuration information does
not match the memory installed in the
computer.
System Setup may be incorrect.
malfunctioning.
while trying to configure one or more
cards.
the hard drive, the computer could not find
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Error Message Description
a particular sector on the disk, or the
requested sector is defective.
Requested sector not found The operating system cannot read from
the hard drive, the computer could not find
a particular sector on the disk, or the
requested sector is defective.
Reset failed The disk re-set operation failed.
Sector not found The operating system cannot locate a
sector on the hard drive.
Seek error The operating system cannot find a
specific track on the hard drive.
Shutdown failure A chip on the system board might be
malfunctioning.
Time-of-day clock stopped The battery might be dead.
Time-of-day not set-please run the System
Setup program
Timer chip counter 2 failed A chip on the system board may be
Unexpected interrupt in protected mode The keyboard controller may be
WARNING: Dell's Disk Monitoring System
has detected that drive [0/1] on the
[primary/secondary] EIDE controller is
operating outside of normal specifications.
It is advisable to immediately back up your
data and replace your hard drive by calling
your support desk or Dell
Write fault The operating system cannot write to the
Write fault on selected drive The operating system cannot write to the
The time or date stored in System Setup
does not match the computer clock.
malfunctioning.
malfunctioning or a memory module may
be loose.
During initial startup, the drive detected
possible error conditions. When your
computer finishes booting, immediately
back up your data and replace your hard
drive (for installation procedures, see
"Removing and Installing Parts" for your
computer type). If no replacement drive is
immediately available and the drive is not
the only bootable drive, enter System
Setup and change the appropriate drive
setting to None. Then remove the drive
from the computer.
hard drive.
hard drive.
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Specifications 20
Specification
NOTE: Offerings may vary by region. For more information regarding the
configuration of your computer, click Start (or Start in Windows XP) Help and
Support, and then select the option to view information about your computer.
System Information
System Chipset Intel H61 Express Chipset
DMA Channels two 82C37 DMA controllers with seven
independently programmable channels
Interrupt Levels Integrated I/O APIC capability with 24
interrupts
BIOS Chip (NVRAM) 32 MB (4 MB)
Processor
Processor type
Total Cache up to 8 MB cache depending on processor
Memory
Type DDR3
Speed 1333 MHz
Connectors two DIMM slots
Capacity 1 GB, 2 GB, and 4 GB
Minimum Memory 1 GB
Maximum memory 8 GB
• Intel Core i3 series
• Intel Core i5 series
type
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Video
Video type:
Integrated Intel HD graphics 2000
Discrete
Video memory:
Integrated up to 1.7 GB shared video memory
Discrete up to 1 GB
Audio
Integrated integrated Conexant CX20641 HD-audio
Network
Integrated integrated Realtek RTL8111E Ethernet
Expansion Bus
Bus Type PCI Express 2.0, SATA 2.0, and, USB 2.0
Bus Speed: PCI Express:
• AMD Radeon HD 6350
• AMD Radeon HD 6450
(Microsoft Windows Vista and
Windows 7)
codec
capable of 10/100/1000 Mb/s
communication
Cards
PCI Express x1
84
• x1-slot bidirectional speed – 1 GB/s
• x16-slot bidirectional speed – 16 GB/s
SATA: 1.5 Gbps, and 3.0 Gbps
Mini-Tower up to three full-height cards
Desktop up to three low-profile cards
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Cards
Small Form Factor up to one low-profile cards
PCI-Express x16
Mini-Tower up to one full-height cards
Desktop up to one low-profile cards
Small Form Factor up to one low-profile cards
Drives
Externally Accessible (5.25–inch drive bays)
Mini-Tower two
Desktop one
Small Form Factor one slim optical drive bay
Internally Accessible:
3.5–inch SATA drive bays
Mini-Tower two
Desktop one
Small Form Factor one
External Connectors
Audio:
Back Panel
Mini-Tower/Desktop three connectors once each for
line-out, line-in, and microphone
Small Form Factor two connectors for line-out and
line-in/microphone
Front Panel two connectors for microphone
and headphone
Network Adapter one RJ45 connector
USB 2.0
Front Panel: 2
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External Connectors
Back Panel: 6
Video 15-pin VGA connector, 19-pin
HDMI connector
NOTE: Available video
connectors may vary based
on the graphics card selected.
System Board Connectors
PCI Express x1 data width (maximum) —
one PCI Express lane
Mini-Tower, Desktop three 36-pin connector
Small Form Factor one 36–pin connector
PCI Express x16 data width (maximum) —
16 PCI Express lanes
Mini-Tower, Desktop,
Small Form Factor
Serial ATA
Mini-Tower,Desktop four 7-pin connectors
Small Form Factor two 7-pin connectors
PS2/COM connector one 24-pin connectors
Memory two 240-pin connectors
System Fan
Mini-Tower, Desktop two 3-pin connector
Small Form Factor one 5-pin connector
Front panel control one 16-pin, two 10–pin, and one 5-pin
Processor one 1155-pin connector
Processor Fan
Mini-Tower, Desktop one 4-pin connector
one 164-pin connector
connector
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System Board Connectors
Small Form Factor one 5-pin connector
Password clear jumper one 3-pin connector
RTC reset jumper one 3-pin connector
Internal speaker one 5-pin connector
Intruder connector one 3-pin connector
Power connector one 24-pin and one 4-pin connector
Controls and Lights
Front of the computer:
Power button light Blue light — Solid blue light
indicates power-on state; blinking
blue light indicates sleep state of
the computer.
Amber light — Solid amber light
when the computer does not start
indicates a problem with the
system board or power supply.
Blinking amber light indicates a
problem with the system board.
Drive activity light Blue light — Blinking blue light
Diagnostic lights Four lights located on the front
Back of the computer:
Power supply diagnostic light Green light — The power supply is
indicates that the computer is
reading data from or writing data to
the hard drive.
panel of the computer. For more
information on the diagnostic lights,
see the Service Manual at
support.dell.com/manuals.
turned on and is functional. The
power cable must be connected to
the power connector (at the back
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Controls and Lights
of the computer) and the electrical
outlet.
NOTE: You can test the health
of the power system by
pressing the test button. When
the system power supply
voltage is within specification,
the self-test LED lights up. If the
LED does not light up, the
power supply may be defective.
AC power must be connected
during this test.
Power Wattage Maximum
Mini-Tower 265 W 1390 BTU/hr 100 VAC to 240 VAC, 50 Hz to 60 Hz, 5.0 A
Desktop 250 W 1312 BTU/hr 100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.4 A
Small Form
Factor
Coin-cell
battery
NOTE: Heat dissipation is calculated by using the power supply wattage rating.
Physical Height Width Depth Weight
Mini-Tower 36.00 cm (14.17
Desktop 36.00 cm (14.17
Small Form
Factor
Environmental
240 W 1259 BTU/hr 100 VAC to 240 VAC, 50 Hz to 60 Hz, 3.6 A;
3 V CR2032 lithium coin cell
inches)
inches)
29.00 cm (11.42
inches)
Heat
Dissipation
17.50 cm (6.89
inches)
10.20 cm (4.01
inches)
9.26 cm (3.65
inches)
Voltage
41.70 cm (16.42
inches)
41.00 cm (16.14
inches)
31.20 cm (12.28
inches)
8.87 kg (19.55 lb)
7.56 kg (16.67 lb)
5.70 kg (12.57 lb)
Temperature range:
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Environmental
Operating 10 °C to 35 °C (50 °F to 95 °F)
Storage –40 °C to 65 °C (–40 °F to 149 °F)
Relative humidity (maximum):
Operating 20% to 80% (non-condensing)
Storage 5% to 95% (non-condensing)
Maximum vibration:
Operating 0.26 GRMS
Storage 2.2 GRMS
Maximum shock:
Operating 40 G
Storage 105 G
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Contacting Dell 21
Contacting Dell
NOTE: If you do not have an active Internet connection, you can find contact
information on your purchase invoice, packing slip, bill, or Dell product catalog.
Dell provides several online and telephone-based support and service options.
Availability varies by country and product, and some services may not be
available in your area. To contact Dell for sales, technical support, or customer
service issues:
1. Visit support.dell.com.
2. Select your support category.
3. If you are not a U.S. customer, select your country code at the bottom of the
page, or select All to see more choices.
4. Select the appropriate service or support link based on your need.
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