Dell Precision T7400 (Late 2007) User Manual

www.dell.com | support.dell.comDell Precision™ T7400 User’s GuideModel DCDO

10 ContentsSystem Board . . . . . . . . . . . . . . . . . . . . . . 271Removing the System Board. . . . . . . . . . . . 271Replacing the System Boa

100 TroubleshootingCHECK THE NETWORK CABLE CONNECTOR — Ensure that the network cable is firmly inserted into the network connector on the back of the

Troubleshooting 101• Ensure that the voltage selection switch is set to match the AC power at your location (if applicable).• Ensure that all componen

102 Troubleshooting3Click Properties→ Ports. For a parallel printer, ensure that the Print to the following port(s): setting is LPT1 (Printer Port). F

Troubleshooting 103Sound Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Info

104 Troubleshooting

Troubleshooting Tools 10510Troubleshooting ToolsDiagnostic Lights CAUTION: Before you begin any of the procedures in this section, follow the safety

106 Troubleshooting Toolsblinking greenThe computer is in a reduced power or "sleep" state.Use one of the appropriate methods to "wake

Troubleshooting Tools 107(blinking)amber A problem has been detected with either the memory risers or graphics riser.Confirm that the memory risers an

108 Troubleshooting ToolsDiagnostic Light Codes During POSTThe power light displays a solid green for diagnostic light codes during POST.(blinking)amb

Troubleshooting Tools 109A possible expansion card failure has occurred.1Determine if a conflict exists by removing a card (not the graphics card) and

Contents 11

110 Troubleshooting ToolsA possible graphics card failure has occurred.1If the computer has a graphics card, remove the card, reinstall it, and then r

Troubleshooting Tools 111No memory modules are detected.1Reseat the memory modules to ensure that your computer is successfully communicating with the

112 Troubleshooting ToolsIf the first memory module tested is defective, repeat the process with the remaining modules to ensure that the remaining mo

Troubleshooting Tools 113Power Lights CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product

114 Troubleshooting ToolsThe power button light (bi-color LED) located on the front of the computer illuminates and blinks or remains solid to indicat

Troubleshooting Tools 115– Ensure that the main power cable and front panel cable are securely connected to the system board (see "System Board C

116 Troubleshooting ToolsError MessagesFill out the "Diagnostics Checklist" on page 286 as you complete these checks. CAUTION: Before you b

Troubleshooting Tools 117A FILENAME CANNOT CONTAIN ANY OF THE FOLLOWING CHARACTERS: \ / : * ? “< > | — Do not use these characters in filenames.

118 Troubleshooting ToolsALERT! MEMORY FAN FAILURE —ALERT! HARD DRIVE FAN FAILURE —ALERT! FRONT FAN FAILURE —ALERT! CHIPSET HEATSINK NOT DETECTED.—ALE

Troubleshooting Tools 119BAD COMMAND OR FILE NAME — Ensure that you spelled the command correctly, put spaces in the proper place, and used the correc

12 Contents

120 Troubleshooting ToolsINSERT BOOTABLE MEDIA — Insert a bootable floppy disk, CD, or other bootable media.INVALID CONFIGURATION INFORMATION - PLEASE

Troubleshooting Tools 121NO BOOT DEVICE AVAILABLE —• If the floppy drive is your boot device, ensure that bootable media is in the drive.• If the har

122 Troubleshooting ToolsPLUG AND PLAY CONFIGURATION ERROR —1Turn your computer off, unplug it from the electrical outlet, and then remove all but one

Troubleshooting Tools 123Dell Diagnostics CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Prod

124 Troubleshooting ToolsStart the Dell Diagnostics from either your hard drive or from the Drivers and Utilities media.Starting the Dell Diagnostics

Troubleshooting Tools 1256Select Run the 32 Bit Dell Diagnostics from the numbered list. If multiple versions are listed, select the version appropria

126 Troubleshooting Tools4When the tests are completed, if you are running the Dell Diagnostics from the Drivers and Utilities media, remove the disc.

Troubleshooting Tools 127Diagnostics ChecklistName:Date:Address:Phone number:Service Tag (bar code on the back of the computer):Express Service Code:R

128 Troubleshooting Tools

Reinstalling Software 12911Reinstalling SoftwareDriversWhat Is a Driver?A driver is a program that controls a device such as a printer, mouse, or keyb

Finding Information 131Finding Information NOTE: Some features or media may be optional and may not ship with your computer. Some features or media m

130 Reinstalling Software2Under Pick a Category, click Performance and Maintenance, and click System.3In the System Properties window, click the Hardw

Reinstalling Software 131 NOTE: The User Account Control window may appear. If you are an administrator on the computer, click Continue; otherwise, c

132 Reinstalling SoftwareRestoring Your Operating SystemYou can restore your operating system in the following ways:• System Restore returns your comp

Reinstalling Software 1331Click Start→ All Programs→ Accessories→ System Tools→ System Restore.2Click either Restore my computer to an earlier time or

134 Reinstalling SoftwareTo see if System Restore is enabled:1Click Start→ Control Panel→ Performance and Maintenance→ System.2Click the System Restor

Reinstalling Software 135 NOTE: Do not manually shut down the computer. Click Finish and let the computer completely reboot.5When prompted, click Yes

136 Reinstalling Software6Right-click Local Disk (C) in Windows Explorer, click Properties, and verify that the additional disk space is available as

Reinstalling Software 137Using the Operating System DiscBefore you BeginIf you are considering reinstalling the Windows operating system to correct a

138 Reinstalling Software NOTE: If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft® Windows® de

Adding and Replacing Parts 13912Adding and Replacing PartsBefore You BeginThis chapter provides procedures for removing and installing the components

14 Finding InformationWhat Are You Looking For? Find It Here• A diagnostic program for my computer• Drivers for my computer • Desktop System Software

140 Adding and Replacing PartsIn the Microsoft Windows Vista™ operating system, click the Windows Vista Start button , click the arrow in the lower-r

Adding and Replacing Parts 141 NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the ne

142 Adding and Replacing Parts5Locate the three hinge tabs on the edge of the computer.6Grip the sides of the computer cover and pivot the cover up, u

Adding and Replacing Parts 143Removing the Front Panel CAUTION: Before you begin any of the procedures in this section, follow the safety instruction

144 Adding and Replacing PartsReplacing the Front Panel and Computer Cover CAUTION: Before you begin any of the procedures in this section, follow th

Adding and Replacing Parts 1452Pull the front-panel release lever, and slide the panel to the right to engage and secure the front panel.Replacing the

146 Adding and Replacing Parts NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the com

Adding and Replacing Parts 147I/O-Panel Components 1 IEEE 1394 connector 2 USB ports (2)3 diagnostic, hard-drive access, and network integrity lights4

148 Adding and Replacing PartsRemoving the I/O Panel 1Follow the procedures in "Before You Begin" on page 139. CAUTION: Your computer is he

Adding and Replacing Parts 14911Remove the mounting screws from the I/O panel.12Lift to remove the I/O panel from the computer.Replacing the I/O Panel

Finding Information 15• How to set up my computer• How to care for my computer• Basic troubleshooting information• How to run the Dell Diagnostics• Ho

150 Adding and Replacing PartsProcessor CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Produc

Adding and Replacing Parts 151 NOTE: To loosen the two captive screws on each side of the heat-sink assembly, you need a long Phillips screwdriver.5L

152 Adding and Replacing Parts NOTICE: If you are installing a processor upgrade kit from Dell, discard the original heat-sink assembly. If you are n

Adding and Replacing Parts 153 NOTICE: When replacing the processor, do not touch any of the pins inside the socket or allow any objects to fall on t

154 Adding and Replacing Parts10Replace the memory shroud and the memory fan. Tighten the thumbscrews until the memory shroud is well secured and will

Adding and Replacing Parts 1554If you are replacing a processor, remove the processor (see "Removing the Processor" on page 150).5Unpack the

156 Adding and Replacing Parts7Orient the front and rear alignment notches on the processor with the front and rear alignment notches on the socket. 8

Adding and Replacing Parts 157 NOTICE: To avoid damage, ensure that the processor aligns properly with the socket, and do not use excessive force whe

158 Adding and Replacing Parts11Pivot the socket release lever back toward the socket and snap it into place to secure the processor.12Clean the therm

Adding and Replacing Parts 159 NOTICE: The memory shroud holds the (optional) memory risers in place; its thumbscrews must be sufficiently tight in o

16 Finding Information• Service Tag and Express Service Code • Microsoft Windows License LabelService Tag and Microsoft® Windows® LicenseThese labels

160 Adding and Replacing Parts19Press <F2> to enter system setup and check under Processor Info to verify that the new processor has been instal

Adding and Replacing Parts 161DC Power Connector P1Pin Number Signal name Wire Color Wire Size1 3.3 V Orange 18 AWG2 3.3 V Orange 18 AWG3 3.3 V Orang

162 Adding and Replacing PartsDC Power Connectors P219 COM Black 18 AWG20 COM Black 18 AWG21 FAN FAULT Brown 18 AWG22 5 V Red 18 AWG23 5 V Red 18 AW

Adding and Replacing Parts 163DC Power Connector P5DC Power Connector P714 COM Black15 12 VA Yellow16 COM Black17 COM Black18 COM Black19 12 VB White2

164 Adding and Replacing PartsDC Power Connectors P10, P11 DC Power Connectors P12, P13, P14, P15, P16, P17Pin Number Signal Name 18-AWG Wire1 12 VCDC

Adding and Replacing Parts 165DC Power Connector P18DC Power Connector P195 +12 VC Blue/WhitePin Number Signal name 18-AWG Wire1 12 VE Blue/Yellow2 12

166 Adding and Replacing PartsDC Power Connector P22, P23DC Power Connector P246 COM Black7 COM Black83.3 VOrangePin Number Signal name 20-AWG Wire1 1

Adding and Replacing Parts 167DC Power Connector FDDRemoving the Power Supply CAUTION: Before performing any of the procedures in this section, follo

168 Adding and Replacing Parts5 Slide the power supply toward the front of the computer by approximately one inch.6 Lift the power supply out of the c

Adding and Replacing Parts 169Replacing the Power Supply 1 Slide the power supply into place.2 Replace the four screws that secure the power supply to

Finding Information 17• Solutions — Troubleshooting hints and tips, articles from technicians, and online courses, frequently asked questions• Communi

170 Adding and Replacing PartsThe battery may need replacing if you have repeatedly reset the time and date information after turning on the computer

Adding and Replacing Parts 1714Locate the battery socket. NOTICE: If you pry the battery out of its socket with a blunt object, be careful not to tou

172 Adding and Replacing Parts CAUTION: Your computer is heavy (it has an approximate minimum weight of 55 lbs) and can be difficult to maneuver. See

Adding and Replacing Parts 173 NOTICE: Full-length heat spreaders (FLHS) are required for all DIMMs. NOTE: Memory purchased from Dell is covered unde

174 Adding and Replacing Parts NOTICE: Do not install non-ECC or unbuffered memory modules. Doing so may cause the computer not to boot. NOTE: DIMM s

Adding and Replacing Parts 175Removing Memory Without Memory Riser Cards CAUTION: Before you begin any of the procedures in this section, follow the

176 Adding and Replacing Parts4Note the position of the memory fan, then lift the memory fan free from the fan support structure and set it aside.1 me

Adding and Replacing Parts 177 CAUTION: Fully-buffered memory modules may become very hot during normal operation. Ensure that memory modules have ha

178 Adding and Replacing Parts NOTICE: The memory shroud holds the (optional) memory risers in place; its thumbscrews must be sufficiently tight in o

Adding and Replacing Parts 179Memory Installation (With Optional Memory Riser Cards) NOTICE: The memory shroud holds the (optional) memory risers in

18 Finding Information• How to use Microsoft Windows Vista™• How to work with programs and files• How to personalize my desktopWindows Help and Suppor

180 Adding and Replacing PartsInstall memory modules in order of their labels on the system board; matched sets of four should be installed first into

Adding and Replacing Parts 1813Loosen the captive thumbscrews that secure the memory shroud and lift it away from the computer. CAUTION: Fully-buffer

182 Adding and Replacing Parts4Disconnect the power cable from memory riser card 1 and 2.5Grasp the memory riser card 1 at each corner and lift memory

Adding and Replacing Parts 1836Disconnect the power cables from memory riser cards 3 and 4.7Grasp the memory riser card 3 at each corner and lift memo

184 Adding and Replacing Parts NOTE: Align the memory module carefully to ensure that it is facing the correct direction; FBDs on memory riser cards

Adding and Replacing Parts 18511Ensure that memory riser card 3 is above system-board connector DIMM_3 and memory riser card 4 is above system-board c

186 Adding and Replacing Parts15Insert the riser cards into the connectors until both riser cards snap into position. NOTE: If a memory-riser power c

Adding and Replacing Parts 18719Connect your computer and devices to electrical outlets, and turn them on.20Press <F2> to enter system setup and

188 Adding and Replacing Parts2Remove the computer cover (see "Removing the Computer Cover" on page 141).3Loosen the captive thumbscrews tha

Adding and Replacing Parts 1895Grasp the memory riser card 1 at each corner and lift memory riser card 1 and attached card 2 from the DIMM_1 and DIMM_

Finding Information 19• How to use Linux• E-mail discussions with users of Dell Precision™ products and the Linux operating system• Additional informa

190 Adding and Replacing Parts6Disconnect the power cables from memory riser cards 3 and 4.1 memory riser cards 1 and 2 2 memory riser cards 3 and 421

Adding and Replacing Parts 1917Grasp the memory riser card 3 at each corner and lift memory riser card 3 and attached card 4 from the DIMM_3 and DIMM_

192 Adding and Replacing Parts10Ensure that memory riser card 3 is above system-board connector DIMM_3 and memory riser card 4 is above system-board c

Adding and Replacing Parts 19314Insert the riser cards into the connectors until both riser cards snap into position. NOTE: If a memory-riser power c

194 Adding and Replacing Parts18Connect your computer and devices to electrical outlets, and turn them on.Cards CAUTION: Before you begin any of the

Adding and Replacing Parts 195If you are installing or replacing a PCI, PCI Express, or PCI-X card, see "Installing an Expansion Card" on pa

196 Adding and Replacing Parts4Press down the tab on the top of the card retainer at the appropriate card slot and pivot the card retainer back throug

Adding and Replacing Parts 1975If you are installing a new card, remove the filler bracket to create a card-slot opening. Then continue with step 7.

198 Adding and Replacing PartsSee the documentation that came with the card for information on configuring the card, making internal connections, or o

Adding and Replacing Parts 19911Before you rotate the card retainer back into place, ensure that:• The tops of all cards and filler brackets are flush

Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates

20 Finding Information

200 Adding and Replacing Parts12Rotate the card retainer until it snaps into place. NOTICE: Do not route card cables behind the cards. Cables routed

Adding and Replacing Parts 20115Ensure that all connectors are properly cabled and firmly seated. NOTICE: To connect a network cable, first plug the

202 Adding and Replacing Parts18If you installed a network adapter card and want to disable the integrated network adapter:aEnter system setup, select

Adding and Replacing Parts 2033Press the tabs on either end of the card retention device and lift to remove it from the computer.4Press down the tab o

204 Adding and Replacing Parts NOTICE: Ensure that you release the securing tab to unseat the card. If the card is not removed correctly, the system

Adding and Replacing Parts 205• The tops of all cards and filler brackets are flush with the alignment bar.• The notch in the top of each card or fill

206 Adding and Replacing Parts NOTICE: Do not route card cables behind the cards. Cables routed behind the cards could cause damage to the equipment.

Adding and Replacing Parts 207 NOTICE: To connect a network cable, first plug the cable into the network device and then plug the cable into the comp

208 Adding and Replacing PartsaEnter system setup, select Integrated NIC, and then change the setting to On.bConnect the network cable to the network

Adding and Replacing Parts 2093Press the tabs on either end of the card retention device and lift to remove it from the computer.4Gently securing both

About Your Computer 212About Your ComputerFront View of the Computer123456781112910

210 Adding and Replacing Parts5Disconnect any cables connected to the card.6Press down the tab on the top of the card retainer at the appropriate card

Adding and Replacing Parts 2117Remove the card:aIf necessary, disconnect any cables connected to the card.bIf the card is full-length, press the relea

212 Adding and Replacing Parts8If you are replacing the card, see "Installing PCI Express Graphics Cards in a Dual Configuration" on page 21

Adding and Replacing Parts 213 NOTICE: Do not route card cables behind the cards. Cables routed behind the cards could cause damage to the equipment.

214 Adding and Replacing Parts12Press the card retention device back into its original position; push it down until it clicks into place.1 release tab

Adding and Replacing Parts 215 NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug the cable into

216 Adding and Replacing PartsOne PCI card slot and two PCI Express x8 (wired as x4) card slots are not available for use if a graphics riser card is

Adding and Replacing Parts 2173Press the tabs on either end of the card retention device and lift to remove it from the computer.4Press down the tab o

218 Adding and Replacing Parts5If you are replacing a card, see "Removing a PCI Express Graphics Card from an SLI Configuration" on page 208

Adding and Replacing Parts 219 NOTICE: Ensure that you release the securing tab to seat the card. If the card is not installed correctly, you may dam

22 About Your Computer1-3 5.25-inch drive baysCan hold an optical drive, Media Card Reader, floppy drive, or SATA hard drive in a 5.25-inch drive bay

220 Adding and Replacing Parts NOTICE: Do not route card cables behind the cards. Cables routed behind the cards could cause damage to the equipment.

Adding and Replacing Parts 22113Press the card retention device back into its original position; push it down until it clicks into place.1 release tab

222 Adding and Replacing Parts NOTICE: An incorrectly attached graphics power cable may result in degraded graphics performance.14Connect the power c

Adding and Replacing Parts 223 NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug the cable into

224 Adding and Replacing Parts CAUTION: Your computer is heavy (it has an approximate minimum weight of 55 lbs) and can be difficult to maneuver. See

Adding and Replacing Parts 225Replacing the Optional Graphics Riser Card NOTE: To upgrade to or downgrade from a dual-graphics configuration (with th

226 Adding and Replacing Parts• Up to four SAS (serial-attached SCSI) hard drives and one serial ATA (SATA) hard drive, or up to five SATA hard drives

Adding and Replacing Parts 227General Drive Installation GuidelinesWhen you install a drive, you connect two cables—a DC power cable from the power su

228 Adding and Replacing PartsSATA Data Cable Connectors1 SATA data cable 2 SATA connector on system board3 SATA drive SATA data cable1234

Adding and Replacing Parts 229SAS Data Cable Connectors1 power cable 2 SAS data cable3 interposer 4 SAS drive5 HDD connector45213

About Your Computer 23Back View of the Computer CAUTION: Ensure that none of the system air vents are blocked. Blocking them would cause serious ther

230 Adding and Replacing PartsController Card Data Cable ConnectorsHard Drive NOTICE: Do not attempt to install a SAS hard drive in a 5.25-inch drive

Adding and Replacing Parts 2312Follow the procedures in "Before You Begin" on page 139. CAUTION: Your computer is heavy (it has an approxim

232 Adding and Replacing Parts1 power cable 2 data cable3 HDD connector312

Adding and Replacing Parts 2337Press the blue tabs on each side of the hard-drive bracket toward each other and slide the drive up and out of the hard

234 Adding and Replacing Parts8Ensure that all connectors are properly cabled and firmly seated.9Replace the computer cover (see "Replacing the C

Adding and Replacing Parts 235Installing a Hard Drive (Hard Drive Bays 1-4) CAUTION: Before you begin any of the procedures in this section, follow t

236 Adding and Replacing Parts CAUTION: The computer stand should be installed at all times to ensure maximum system stability. Failure to install th

Adding and Replacing Parts 2378Connect the power cable to the drive.9Connect one end of the data cable to the hard drive.10If you are using a add-in s

238 Adding and Replacing Parts11Ensure that all connectors are properly cabled and firmly seated.12Replace the computer cover (see "Replacing the

Adding and Replacing Parts 23914If the drive you just installed is the primary drive, insert bootable disc into drive A.15Turn on the computer.16Enter

24 About Your ComputerBack Panel Connectors1 parallel connector Connect a parallel device, such as a printer, to the parallel connector. If you have a

240 Adding and Replacing Parts5Disconnect the data cable from the back of the hard drive and from the connector on the system board.1 data cable 2 pow

Adding and Replacing Parts 2416Slide the sliding-plate lever to release the shoulder screw and slide the hard-drive carrier out of the 5.25-inch drive

242 Adding and Replacing Parts12Replace the computer cover (see "Replacing the Computer Cover" on page 145). NOTICE: To connect a network c

Adding and Replacing Parts 2436Place the SATA hard drive in the hard-drive bracket and press the drive down until it snaps securely into place. 7Slide

244 Adding and Replacing Parts8Slide the hard-drive carrier into the 5.25-inch drive bay until it is securely seated.9Connect a power cable to the har

Adding and Replacing Parts 24511Ensure that all connectors are properly cabled and firmly seated.12Reinstall the drive panel (see "Replacing the

246 Adding and Replacing Parts14Connect the computer and devices to electrical outlets, and turn them on.See the documentation that came with the driv

Adding and Replacing Parts 2474Pivot the drive panel outward and lift it from its side hinges.5Set the drive panel aside in a secure location.Removing

248 Adding and Replacing Parts2Pinch the drive-panel insert release tabs and rotate the insert just enough to free the release tabs. 1 drive panel 2 d

Adding and Replacing Parts 2493Slide the drive panel insert tab out from the tab slot4Set the drive-panel insert aside in a secure location.Replacing

About Your Computer 256 link integrity light Green — A good connection exists between a 10-Mbps network and the computerOrange — A good connection exi

250 Adding and Replacing Parts CAUTION: Your computer is heavy (it has an approximate minimum weight of 55 lbs) and can be difficult to maneuver. See

Adding and Replacing Parts 2514Replace the computer cover (see "Replacing the Computer Cover" on page 145).See the documentation that came w

252 Adding and Replacing Parts6Slide the sliding-plate lever to the right to release the shoulder screw and slide the drive carrier out of the drive b

Adding and Replacing Parts 2537Press down the release lever on the side of the drive carrier and pull the drive out.8If you are not installing another

254 Adding and Replacing Parts9If you are installing another drive in the drive bay, see the appropriate installation instructions.10Reinstall the dri

Adding and Replacing Parts 2557If an empty 3.5-inch drive carrier is installed in the drive bay, slide the floppy drive into the drive carrier until i

256 Adding and Replacing Parts8Attach the power and data cables to the floppy drive.9Connect the other end of the data cable to the system board conne

Adding and Replacing Parts 25710Check all cable connections and fold cables out of the way to avoid blocking airflow between the fan and cooling vents

258 Adding and Replacing Parts13Connect your computer and devices to their electrical outlets, and turn them on.See the documentation that came with t

Adding and Replacing Parts 2595Disconnect the other end of the interface cable from the system board connector labeled "USB." To locate syst

26 About Your ComputerInside View 1 power supply2 hard drive bay3 memory shroud NOTICE: The memory shroud holds the (optional) memory riser cards in p

260 Adding and Replacing Parts7Press down the release lever on the side of the drive carrier and pull the Media Card Reader out.8If you are not instal

Adding and Replacing Parts 261bInstall a drive panel insert (see "Replacing a Drive-Panel Insert" on page 249). 9If you are installing anoth

262 Adding and Replacing Parts7If an empty 3.5-inch drive carrier is installed in the drive bay, slide the Media Card Reader into the drive carrier un

Adding and Replacing Parts 2638Attach the interface cable to the Media Card Reader.9Connect the other end of the interface cable to the system board c

264 Adding and Replacing Parts10Check all cable connections and fold cables out of the way to avoid blocking airflow between the fan and cooling vents

Adding and Replacing Parts 265See the documentation that came with the drive for instructions on installing any software required for drive operation.

266 Adding and Replacing Parts6Slide the sliding-plate lever to the right to release the shoulder screw and slide the drive out to remove it from the

Adding and Replacing Parts 2677If you are not installing another drive in the optical drive bay, install a drive panel insert (see "Replacing a D

268 Adding and Replacing PartsInstalling an Optical Drive1Follow the procedures in "Before You Begin" on page 139. CAUTION: Your computer i

Adding and Replacing Parts 2698Gently slide the drive into place until you hear a click or feel the drive securely installed.9Attach the power and dat

About Your Computer 27System Board Components6 card fan7front fan541}}367 98 1011121315161718192021222324252627282930214

270 Adding and Replacing Parts11Check all cable connections and fold cables out of the way to avoid blocking airflow between the fan and cooling vents

Adding and Replacing Parts 271 NOTICE: To connect a network cable, first plug the cable in to the network port or device and then plug it in to the c

272 Adding and Replacing Parts2Remove the computer cover (see "Removing the Computer Cover" on page 141).3Remove the memory shroud by loosen

Adding and Replacing Parts 2736If you do not have memory risers installed, lift to remove the memory fan from the fan support structure.7Remove the fa

274 Adding and Replacing Parts8Disconnect the speaker cable from the system board.9Disconnect the front fan and the card fan from the system board.10U

Adding and Replacing Parts 27511Remove any components that restrict access to the system board.12Disconnect all cables from the system board.13Before

276 Adding and Replacing Parts1 system board assembly 2 back of computer12

Adding and Replacing Parts 27715Slide the system board assembly toward the front of the computer chassis to release the tabs on the computer chassis f

278 Adding and Replacing PartsaRemove the memory modules or the memory module riser cards and install them on the replacement board. See "Memory&

Adding and Replacing Parts 279

28 About Your ComputerCable Colors1 primary processor connector (CPU_0)16 hard drive fan (FAN_HDD)2 secondary processor connector (CPU_1)17 secondary

280 Adding and Replacing Parts

Getting Help 28113Getting HelpObtaining Assistance CAUTION: If you need to remove the computer cover, first disconnect the computer power and modem c

282 Getting Help NOTE: Some of the following services are not always available in all locations outside the continental U.S. Call your local Dell rep

Getting Help 283• Dell Marketing and Sales e-mail [email protected] (Asian/Pacific countries only)[email protected] (Canada only)• Ano

284 Getting HelpReturning Items for Warranty Repair or CreditPrepare all items being returned, whether for repair or credit, as follows:1Call Dell to

Getting Help 285 CAUTION: Before working inside your computer, follow the safety instructions in your Product Information Guide.

286 Getting HelpDiagnostics ChecklistName:Date:Address:Phone number:Service Tag (bar code on the back or bottom of the computer):Express Service Code:

Getting Help 287Contacting DellFor customers in the United States, call 800.WWW.DELL (800.999.3355). NOTE: If you do not have an active Internet con

288 Getting Help

Appendix 28914AppendixFCC Notice (U.S. Only)FCC Class BThis equipment generates, uses, and can radiate radio frequency energy and, if not installed an

About Your Computer 29Specifications NOTE: Offerings may vary by region. For more information regarding the configuration of your computer, click Sta

290 AppendixThe following information is provided on the device or devices covered in this document in compliance with the FCC regulations: • Product

Glossary 291GlossaryTerms in this Glossary are provided for informational purposes only and may or may not describe features included with your partic

292 Glossaryunderstand what effect these settings have on the computer, do not change them. Also referred to as system setup.bit — The smallest unit o

Glossary 293CD-RW — CD rewritable — A rewritable version of a CD. Data can be written to a CD-RW disc, and then erased and written over (rewritten).CD

294 Glossaryconnects to a memory module on the system board.DIN connector — A round, six-pin connector that conforms to DIN (Deutsche Industrie-Norm)

Glossary 295computer and a digital video display.EECC — error checking and correction — A type of memory that includes special circuitry for testing t

296 GlossaryFBD — fully-buffered DIMM — A DIMM with DDR2 DRAM chips and an Advanced Memory Buffer (AMB) that speeds communication between the DDR2 SDR

Glossary 297heat sink — A metal plate on some processors that helps dissipate heat.hibernate mode — A power management mode that saves everything in m

298 Glossaryassigned an IRQ. Although two devices can share the same IRQ assignment, you cannot operate both devices simultaneously.ISP — Internet ser

Glossary 299equals 1024 KB. When used to refer to hard drive storage, the term is often rounded to 1,000,000 bytes.MB/sec — megabytes per second — One

Contents 3Contents1 Finding Information . . . . . . . . . . . . . . . . . 132 About Your Computer . . . . . . . . . . . . . . . 21Front View of the

30 About Your ComputerFlash EPROM 8 MbitGraphics bus Two PCI Express 2.0 x16 slotsExpansionCard support Center five connector slots support full-lengt

300 GlossaryNnetwork adapter — A chip that provides network capabilities. A computer may include a network adapter on its system board, or it may cont

Glossary 301PCMCIA — Personal Computer Memory Card International Association — The organization that establishes standards for PC Cards.PIO — programm

302 Glossary• It is located on a network in a directory and the system administrator has assigned rights only to specific individuals.refresh rate — T

Glossary 303digital device or digital camera to your computer.Service Tag — A bar code label on your computer that identifies your computer when you a

304 GlossarySXGA — super-extended graphics array — A video standard for video cards and controllers that supports resolutions up to 1280 x 1024.SXGA+

Glossary 305down your computer.USB — universal serial bus — A hardware interface for a low-speed device such as a USB-compatible keyboard, mouse, joys

306 GlossaryV — volt — The measurement of electric potential or electromotive force. One V appears across a resistance of 1 ohm when a current of 1 am

Glossary 307Zip drive — A high-capacity floppy drive developed by Iomega Corporation that uses 3.5-inch removable disks called Zip disks. Zip disks ar

About Your Computer 31connectortwo x16 slots (support x16, x8, x4 and x1 modes/cards)connector size164 pinsconnector data width (maximum)16 PCI Expres

32 About Your ComputerAudioAudio type High Definition Audio CODEC andAzalia/High Definition digital controllerStereo conversion 24-bit analog-to-digit

About Your Computer 33Hard-drive access light Front panel: green light—on when the computer reads data from or writes data to the hard drive; the ligh

34 About Your ComputerApproximate minimum weight 55 lb (24.9 kg) CAUTION: Your computer is heavy and can be difficult to maneuver. Seek assistance bef

Advanced Features 353Advanced FeaturesLegacySelect Technology ControlLegacySelect technology control offers legacy-full, legacy-reduced, or legacy-fre

36 Advanced FeaturesFor more information about Dell's ASF implementation, see the ASF User's Guide and the ASF Administrator's Guide, w

Advanced Features 37Dell OpenManage™ IT AssistantIT Assistant configures, manages, and monitors computers and other devices on a corporate network. IT

38 Advanced Features•Standby. In this sleep mode, power is reduced or turned off for many components. However, system memory remains active. NOTE: Hi

Advanced Features 39 NOTE: For more information on power management, see your operating system documentation.Hyperthreading and Multi-Core Technology

4 ContentsRAID Level 5 . . . . . . . . . . . . . . . . . . . . 41RAID Level 10 . . . . . . . . . . . . . . . . . . . . 43Configuring Your Compute

40 Advanced Features NOTE: RAID levels do not represent a hierarchy. A RAID level 5 configuration is not inherently better or worse than a RAID level

Advanced Features 41 NOTICE: Because RAID level 0 provides no data redundancy, if one drive fails, then the data on the other drive is also inaccessi

42 Advanced FeaturesRAID level 5 uses a data-staging storage technique known as "parity checking." When a block of data is written to the RA

Advanced Features 43RAID Level 10 NOTE: RAID levels 5 and 10 are only available via an optional PCI Express RAID controller card.RAID level 10 uses a

44 Advanced FeaturesConfiguring Your Computer for RAIDAt some point you may want to configure your computer for RAID if you did not select a RAID conf

Advanced Features 45Exit ScreenIt is important to exit the RAID Configuration Utility properly, because some changes take effect only when you exit. F

46 Advanced Features NOTICE: All data will be lost upon creation of the RAID volume. Dell recommends backing up your data before performing these ste

Advanced Features 47• Drives must have 512 byte blocks and must not have removable media.• There can only be 2 hard drives per RAID volume.5Press <

48 Advanced FeaturesSynchronizing a RAID Volume (Virtual Disk)When a RAID volume is synchronized, the firmware synchronizes the data on the secondary

Advanced Features 49Replacing and Rebuilding a Degraded RAID VolumeIn the event of a hard drive failure in a RAID level 1 volume, you will need to rep

Contents 5Uninterruptible Power Supplies . . . . . . . . . . 605 Securing Your Computer . . . . . . . . . . . . . 61Chassis Intrusion Detection .

50 Advanced Features

Setting Up Your Computer 514Setting Up Your ComputerInstalling Your Computer in an EnclosureInstalling your computer in an enclosure can restrict the

52 Setting Up Your Computer• If your computer is installed in a corner on a desk or under a desk, leave at least 5.1 cm (2 in) clearance from the back

Setting Up Your Computer 53 NOTICE: Do not install your computer in an enclosure that does not allow airflow. Restricting the airflow impacts your co

54 Setting Up Your Computer• Dial-up connections that provide Internet access through a telephone line. Dial-up connections are considerably slower th

Setting Up Your Computer 55• If you have a CD, click Use the CD I got from an ISP.5Click Next.If you selected Set up my connection manually, continue

56 Setting Up Your ComputerMicrosoft® Windows® XP The Microsoft Windows XP operating system provides the Files and Settings Transfer Wizard to move da

Setting Up Your Computer 573On the Which computer is this? screen, click New Computer→ Next.4On the Do you have a Windows XP CD? screen, click I will

58 Setting Up Your ComputerRunning the Files and Settings Transfer Wizard Without the Operating System DiscTo run the Files and Settings Transfer Wiza

Setting Up Your Computer 591On the Now go to your old computer screen on the new computer, click Next.2On the Where are the files and settings? screen

6 ContentsOption Settings . . . . . . . . . . . . . . . . . . . 84Selecting the Boot Device for the Current Boot . . 84Changing Boot Sequence for

60 Setting Up Your ComputerSurge ProtectorsSurge protectors and power strips equipped with surge protection help prevent damage to your computer from

Securing Your Computer 615Securing Your ComputerChassis Intrusion Detection CAUTION: Before you begin any of the procedures in this section, follow t

62 Securing Your ComputerReplacing the Chassis Intrusion Switch1Gently slide the chassis intrusion switch into its slot and reconnect the cable to the

Securing Your Computer 63your computer (see "Turning Off Your Computer" on page 139) and try again.3Enter the system setup program (see &quo

64 Securing Your ComputerPasswordsAbout Passwords NOTE: Passwords are disabled when you receive your computer.A primary (or system) password, an admi

Securing Your Computer 65 NOTE: Some hard drives do not support hard drive passwords. NOTICE: Passwords provide a high level of security for data in

66 Securing Your ComputerOption SettingsYou cannot change or enter a new system password if either of the following two options is displayed:•Set — A

Securing Your Computer 676To confirm your password, type it a second time in the Confirm New Password field and press <Enter>.7Press <Enter&g

68 Securing Your Computer2If the Unlock Setup field is present:aUse the arrow keys to navigate to the Unlock Setup field.bPress <Enter> to acces

Securing Your Computer 69Assigning an Administrator PasswordThe administrator password can be the same as the system password. To escape from the fiel

Contents 710 Troubleshooting Tools . . . . . . . . . . . . . . 105Diagnostic Lights . . . . . . . . . . . . . . . . . . . . 105Diagnostic Light Cod

70 Securing Your ComputerA change to Admin Password becomes effective immediately (no need to restart the computer).Operating Your Computer With an Ad

Securing Your Computer 71Trusted Platform Module (TPM) NOTE: The TPM feature supports encryption only if the operating system supports TPM. For more

72 Securing Your ComputerSecurity Management SoftwareThe security management software is designed to utilize four different features to help you secur

Securing Your Computer 73If Your Computer Is Lost or Stolen• Call a law enforcement agency to report the lost or stolen computer. Include the Service

74 Securing Your Computer

System Setup 756System SetupOverviewUse System Setup as follows: • To change the system configuration information after you add, change, or remove any

76 System SetupSystem Info Displays the Computer name, BIOS Version number, BIOS Date, Service Tag, Express Service Code, and Asset Tag.Processor Info

System Setup 77Diskette Drive(Internal default)Enables and disables the floppy drives and sets read permission for the internal floppy drive. Off disa

78 System SetupUSB Controller(On default)Enables or disables the internal USB controller. No Boot enables the controller but disables the ability to b

System Setup 79VideoPrimary Video(Option 1 default)This field allows the user to specify the order in which the system assigns the primary video contr

8 Contents12 Adding and Replacing Parts . . . . . . . . . 139Before You Begin . . . . . . . . . . . . . . . . . . . . 139Recommended Tools. . . .

80 System SetupHDD Acoustic ModeOptimizes the drive’s performance and acoustic levels.• Bypass - do nothing (needed for older drives)• Quiet - slower,

System Setup 81Password Changes(Unlocked default)Determines the interaction between the System password and the Admin password. Locked prevents a user

82 System SetupAuto Power TimeSets time to automatically turn on the computer.Time is kept in the standard 12-hour format (hours:minutes). Change the

System Setup 83Load DefaultsRestores system setup options to their factory defaults.Event Log Allows you to view the Event Log. Entries are marked R f

84 System SetupBoot MenuThis feature allows you to change the boot sequence for devices.Option Settings•Onboard or USB Floppy Drive — The computer att

System Setup 85A menu appears.4Use the up- and down-arrow keys to navigate to Boot Device Menu, then press <Enter> to select the option.5The Boo

86 System SetupFloppy Drive1In system setup, set the Diskette Drive option to USB.2Save your changes and exit system setup. 3Connect the USB floppy dr

Clearing Forgotten Passwords 877Clearing Forgotten Passwords CAUTION: Before you begin any of the procedures in this section, follow the safety instr

88 Clearing Forgotten Passwords3Locate the 2-pin password jumper (PSWD) on the system board, and remove the jumper plug; set the plug aside. For help

Clearing Forgotten Passwords 89Clearing CMOS Settings CAUTION: Before you begin any of the procedures in this section, follow the safety instructions

Contents 9Addressing Memory With 4-GB or Greater Configurations (32-bit Operating Systems Only). . . . . . . . . . . . . . 174Removing Memory Without

90 Clearing Forgotten Passwords5Click Save this program to disk, and then click OK.The Save In window appears.6Click the down arrow to view the Save I

Cleaning Your Computer 918Cleaning Your Computer CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in t

92 Cleaning Your Computer2With a soft, lint-free cloth, gently wipe the bottom of the disk (the unlabeled side) in a straight line from the center to

Troubleshooting 939TroubleshootingSolving ProblemsFollow these tips when you troubleshoot your computer:• If you added or removed a part before the pr

94 TroubleshootingENSURE THAT MICROSOFT® WINDOWS® RECOGNIZES THE DRIVE —Windows XP:•Click Start and click My Computer.Windows Vista™:•Click the Window

Troubleshooting 95and Support for information on power management modes.Hard drive problemsRUN CHECK DISK —Windows XP:1Click Start and click My Comput

96 Troubleshooting• If you have other telephone devices sharing the line, such as an answering machine, fax machine, surge protector, or line splitter

Troubleshooting 9710 seconds (until the computer turns off), and then restart your computer.A program stops respondingEND THE PROGRAM —1Press <Ctrl

98 TroubleshootingOther software problemsCHECK THE SOFTWARE DOCUMENTATION OR CONTACT THE SOFTWARE MANUFACTURER FOR TROUBLESHOOTING INFORMATION —• Ensu

Troubleshooting 99• Run the Dell Diagnostics (see "Dell Diagnostics" on page 123).Mouse Problems CAUTION: Before you begin any of the proce