HP ET115AV Betriebsanweisung

HP xw4400 Workstation Service andTechnical Reference GuideUser Guide

Error messages ... 189Err

4. Connect the power, drive, and audio (if required) cables to the drive and system board. On Linuxsystems, connect the audio cable to the AUX-IN conn

3. Lift the green drive-lock release tab 1 and gently slide the drive 2 out at the same time.Figure 4-41 Removing the diskette drive from the chassis

2. Disconnect the data 1 and power 2 cables from the hard drive.Figure 4-42 Removing the hard drive3. Lift up on the green drive-lock release tab 1 a

2. Attach a SAS-to-SATA cable adapter to the connector on the hard drive.Figure 4-44 Attaching the adapter3. Push the drive 1 into the selected bay u

7. Connect the hard drive LED cable from the card to the hard drive LED connector on the systemboard. You can find the location of this connector on t

3. Lift up on the green drive-lock release tab 1 and slide the hard drive 2 out of the chassis.Figure 4-48 Removing the hard driveTo install one or t

5. Connect the data cable from the hard drive 1 to the serial ATA port 2. SATA0 port is shown in thefollowing illustration.●Connect SATA 0 to SATA0.●C

2. Place the hard drive in the bracket 1 and secure with American National screws 2 as shown in thefollowing illustration.Figure 4-51 Installing hard

5. Connect the power cables (not shown).Figure 4-53 Connecting the data cable to the system boardCPU heatsink NOTE The following illustrated CPU hea

2. Loosen the four processor screws slowly and evenly. Loosen one pair of diagonally oppositescrews 1 until the screw shanks disengage from the system

1 Product overviewThis chapter presents an overview of the hardware components of the HP xw4400 Workstation.●Product features on page 2●Product specif

To replace the CPU heatsink:1. Disconnect power from the system (Predisassembly procedures on page 60). Remove the sideaccess panel (Side access panel

3. Pull the processor 3 straight out of the socket. .Figure 4-56 Raising the processor socket handleCAUTION Avoid bending the protrusions in the CPU

3. Align the triangle on the top of the processor with the triangle on the corner of the processor socketand install the processor into the socket. En

4. Slide the system board toward the front of the chassis and then lift it 2 out of the unit. .Figure 4-58 Removing the system boardTo replace the sy

104 Chapter 4 Removal and replacement procedures ENWW

5 System diagnostics andtroubleshootingThis chapter discusses the tools available for diagnosing and troubleshooting system issues.●E-Support on page

E-SupportHelp & Support Center and E-SupportHelp & Support Center (HSC) provides online access to technical support information, software upda

Troubleshooting checklistBefore running any of the diagnostic utilities, use the following checklist to find possible solutions forworkstation or soft

LED color definitions An LED light exists on the front panel of your workstation. The following table describes what each colorsignifies.Table 5-1 LE

HP Insight Diagnostics Offline EditionThe diagnostics utility enables you to perform testing and to view critical computer hardware andsoftware config

Product featuresComponent viewThe following image shows a typical HP xw4400 workstation. Drive configurations can vary.For complete and current inform

To start the diagnostic utility on the Documentation Library CD:1. Power on your workstation and press the F10 key during the initial boot process to

Architecture—Shows the type of bus the computer uses as well as BIOS information. In addition, if thebus is PCI, information about the PCI configurati

While tests are being performed, you can monitor the progress by viewing the Status tab. Any errorsthat are detected are summarized in the Error Log.

Help tabThe Help tab has three views:●HP Insight Diagnostics—Provides introductory and detailed information about Insight FieldDiagnostics.●Error Code

Diagnostic error codesThis sections provides an overview of the diagnostic LEDs and error codes that are related to yourworkstation.Diagnostic LED cod

Chassis indicator LEDs Power LED and soundactivityDiagnosis and service actionBlinks red 3 times, once persecond, then 2-second pause,3 beepsCPU not i

Chassis indicator LEDs Power LED and soundactivityDiagnosis and service actionBlinks red 8 times, once persecond, then 2-second pause,8 beepsInvalid R

Troubleshooting scenarios and solutionsThis section presents an extensive overview of various troubleshooting scenarios and includes possiblesolutions

Problem Cause Possible SolutionPress and hold the power button for less than 4 seconds. IfHDD LED does not illuminate, then:1. Verify that the unit is

Figure 5-1 Testing power supply with BIST LEDTable 5-4 Power supply problemsProblem Cause SolutionPower supply shuts downintermittently.Power supply

Front panel components The following image shows a typical HP xw4400 Workstation. Drive configurations can vary.Figure 1-2 Front panel componentsTab

Problem Cause SolutionWorkstation powered offautomatically and the Power LEDflashes red 2 times, once everysecond, followed by a 2-secondpause.Process

Problem Cause SolutionDiskette drive cannot write to adiskette.Diskette is not formatted. Format the diskette.Diskette is write-protected. Use another

SolvingTable 5-6 Hard drive problems Problem Cause SolutionHard drive error occurs. Hard disk has bad sectors orhas failed.Use a utility to locate a

Solving display problems Table 5-7 Display problemsProblem Cause SolutionBlank screen (no video). The cable connections are notcorrect.Verify the cab

Problem Cause SolutionBlurry video or requestedresolution cannot be set.If the graphics controller wasupgraded, the correct videodrivers might not be

Problem Cause SolutionDigital CD audio isnot enabled.Enable digital CD audio:1. From the Control Panel, select System.2. On the Hardware tab, click th

Problem Cause SolutionThe correct printer driver forthe application is not installed.1. Install the correct printer driver for the application.2. Try

Problem Cause SolutionProgram in use has stoppedresponding to commands.Shut down the workstation using the keyboard and thenrestart the workstation.Mo

Solving hardware installation problemsYou might need to reconfigure the workstation when you add or remove hardware, such as an additionaldiskette dri

Solving network problems These guidelines do not discuss the process of debugging the network cabling.Table 5-13 Network problemsProblem Cause Soluti

Figure 1-3 Rear panel componentsTable 1-3 Rear panel componentsItem Description Item Description1 Power supply Built-In Self Test (BIST) LED 9

Problem Cause SolutionThe expansion board installed is anetwork card and conflicts with theembedded network card.Under the Computer Setup Advanced men

Problem Cause Solution3. Replace third-party memory with HP memory.4. Replace the system board.Solving processor problems Table 5-15 Processor proble

Problem Cause SolutionWindows does not detect theCD-ROM or DVD-ROM drive.1. Use Device Manager to remove or uninstall thedevice in question.2. Restart

Problem Cause Solution4. In the Device Manager area, click the DeviceManager button.5. Double-click Ports (COM & LPT).6. Right-click the COM port

POST and error messagesPOST is a program run at startup that initializes and runs some tests on installed hardware. An audibleand/or visual message oc

Screen message Probable cause Recommended action162—System Options Not Set Configuration incorrect. RTC batterymight need to be replaced.1. Run Comput

Screen message Probable cause Recommended action214—DIMM ConfigurationWarningDIMMs not installed correctly (notpaired correctly).See the illustration

Screen message Probable cause Recommended action501—Display Adapter Failure Graphics display controller. 1. Reseat the graphics card (if applicable).2

Screen message Probable cause Recommended action917—Front Audio NotConnectedThe front audio cable is not connected. Connect front audio cable.918—Fron

Screen message Probable cause Recommended action1203—Game Port AddressConflict DetectedDevice IRQ address conflicts withanother device.Reset the IRQ17

Figure 1-4 Serial number and COA label locationENWW Product features 5

Screen message Probable cause Recommended action1792—Secondary DiskController FailureHard drive circuitry error. 1. Run Computer Setup (F10 Setup).2.

Screen message Probable cause Recommended actionInvalid Electronic SerialNumberElectronic serial number has becomecorrupted.Run Computer Setup. If Set

142 Chapter 5 System diagnostics and troubleshooting ENWW

A Appendix A — SAS devicesENWW 143

Supported SAS RAID configurationsNOTE This section does not apply to configuring RAID in the Linux environment. For RAID inthe Linux environment, con

SAS RAID 0 configurationFollow the steps below to configure an Integrated Striped (IS) volume with the BIOS-based configurationutility. The configurat

SAS RAID 1 configurationFollow the steps below to configure an Integrated Mirroring (IM) volume with the BIOS-basedconfiguration utility. The configur

6. (Optional) Use the arrow keys to select a hot spare disk for the IM volume. Select Yes as the valuefor the Hot Spare column.7. When you have select

SAS RAID 1E configurationFollow the steps below to configure an Integrated Mirroring Extended (IME) volume with the BIOS-basedconfiguration utility. T

6. (Optional) Use the arrow keys to select a hot spare disk for the IME volume. Select Yes as thevalue for the Hot Spare column.7. When you have selec

Product specifications The following table lists the physical dimensions for the HP xw4400 Workstation.Table 1-4 Physical characteristicsWeight (typi

150 Appendix A Appendix A — SAS devices ENWW

B Appendix B — SATA devicesThis appendix describes how to use the Intel Matrix Storage Manager option ROM Configuration Utilityto set up and manage SA

Attaching SATA HDDsAttach the required number of SATA HDDs for the desired RAID level.●RAID 0: Two to three HDDs●RAID 1: Two HDDs●RAID 5: Three HDDs15

Configuring system BIOSConfigure the system BIOS to enable embedded SATA RAID functionality.1. Press F10 to enter the system BIOS setup.2. Use the arr

Creating RAID volumesUse the Intel Matrix Storage Manager option ROM Configuration Utility to create RAID volumes.1. Press Ctrl+I when prompted to ent

Deleting RAID volumesUse the Intel Matrix Storage Manager option ROM Configuration Utility to delete RAID volumes.1. Use the up or down arrow key to h

156 Appendix B Appendix B — SATA devices ENWW

C Appendix C — Connector pinsENWW 157

Connector pin descriptionsKeyboard connector Pin Signal 123DataUnusedGround456+5 VDCClockUnused Mouse connector Pin Signal 123DataUnusedGrou

Parallel connectorPin Signal Pin Signal Pin Signal123StrobeData Bit 0Data Bit 1789Data Bit 5Data Bit 6Data Bit 7131415Select AutoLinefeedError456Data

Power supply specificationsTable 1-6 Power supply specificationsPower supply 460 watt custom power supply – (Wide Ranging, Active PFC)Operating volta

1 power2 gnd3 tpb-4 tpb+5 tpa-6 tpa+Microphone connector (1/8 inch) Pin Signal 1 (Tip)2 (Ring)3 (Shield)AudioPowerGroundHeadphone connector (1/8 in

SATA connectorPin Signal Pin Signal Pin Signal Data Cable Power Cable Power Cable S1 Ground P1 3.3-V power P8 5-V powerS2* A+ P2 3.3-V power

SAS connectorSegment Pin Backplane receptacle Plug and cablereceptaclesSecondary signal segmentS8 SIGNAL GROUNDS9TS+ RS+S10 TS- RS-S11 SIGNAL GROUNDS1

VGA connector Pin Signal Pin Signal Pin Signal 1 2 3 Red Analog GreenAnalog BlueAnalog6 7 8 GroundGroundGround11 1213Monitor ID DDC Seri

ATA/ATAPI (IDE) standard drive cable connectorPin Signal Pin Signal Pin Signal1 2 34 5Reset GroundDD7 DD8 DD615 1617 1819DD1 DD14 DD0DD15 Gr

6-Pin power (auxiliary system board) connector P8 Pin Color Signal46311 BLK w/ORG +3.3V2 BLK w/ORG +3.3V3 YEL +12V-A4 BLK GND5 BLK GND6 YEL -12V8-Pin

6-Pin power (auxiliary PCI Express) Pin Color Signal46311 YEL +12V-C2 YEL +12V-C3 YEL +12V-C4 BLK GND5 BLK GND6BLK GND166 Appendix C Appendix C — C

D Appendix D — System boarddesignatorsThis appendix lists the system board designators for this system.Designator Silkscreen ComponentMH02-03, MH06-09

Designator Silkscreen ComponentP25 INT USB Internal USB headerP29 HDD LED HDD LED connectorP5 CONTROL PANEL Main power/HDD LED/internal speakerconnect

E Appendix E — Routine careENWW 169

Sleep (S3)* 3.3 W 2.6 W 6.9 W 6.1 W 3.3 W 2.5 WPower off (S5) 1.9 W 1.2 W 5.4 W 4.8 W 1.9 W 1.2 W* Values are approximate.NOTE To reach zero power con

General cleaning safety precautions ●Never use solvents or flammable solutions to clean the workstation.●Never immerse any component in water or clean

Maximizing the airflow●Keep your workstation in an area where the airflow is not obstructed.●Keep the unit off of surfaces where dust can gather.●Keep

Cleaning the workstation case●Follow the safety precautions presented in before cleaning the workstation.●To remove light stains or dirt, use plain wa

Cleaning the keyboard CAUTION Use safety glasses equipped with side shields before attempting to clean debris fromunder the keys. ●Follow the safety

Cleaning the monitor ●Follow the safety precautions presented in Service considerations on page 54 before cleaning thekeyboard.●To clean the monitor,

Cleaning the mouse1. Follow the safety precautions presented in Service considerations on page 54 before cleaning themouse.2. Remove the mouse ball fr

176 Appendix E Appendix E — Routine care ENWW

F Appendix F — Additional passwordsecurity and resetting CMOSThis workstation supports the following security password features, which can be establis

Resetting the password jumperTo disable the power-on or setup password features and clear the power-on and setup passwords:1. Shut down the operating

Clearing and Resetting the CMOSThe CMOS of the workstation stores password information and information about the workstationconfiguration. This sectio

Table 1-10 Heat dissipation**115 VAC 230 VAC 100 VACLANenabledLAN disabled LAN enabled LAN disabled LAN enabled LAN disabledWindows idle (SO) 399 btu

Using Computer Setup to Reset CMOS1. To reset CMOS using Computer Setup, access the Computer Setup (F10) Utilities menu. Whenthe Computer Setup messag

G Appendix G — Quick troubleshootingflowchartsThis appendix presents some quick troubleshooting flowcharts for the following issues:●Initial troublesh

Initial troubleshooting182 Appendix G Appendix G — Quick troubleshooting flowcharts ENWW

No powerNo power, part 1ENWW No power 183

No power, part 2184 Appendix G Appendix G — Quick troubleshooting flowcharts ENWW

No power, part 3ENWW No power 185

No videoNo video, part 1186 Appendix G Appendix G — Quick troubleshooting flowcharts ENWW

No video, part 2ENWW No video 187

No video, part 3188 Appendix G Appendix G — Quick troubleshooting flowcharts ENWW

Error messagesError messages, part 1ENWW Error messages 189

Copyright Information© 2006 Copyright Hewlett-Packard Development Company, L.P.WarrantyHewlett-Packard Company shall not be liable for technical or ed

NOTE Values represent individual shock events andare not indicative of repetitive shock events.Vibration (operating) Operating random: 0.5 G rms, 5–30

Error messages, part 2190 Appendix G Appendix G — Quick troubleshooting flowcharts ENWW

Error messages, part 3ENWW Error messages 191

No operating system loading192 Appendix G Appendix G — Quick troubleshooting flowcharts ENWW

No operating system loading from hard driveNo operating loading from hard drive, part 1ENWW No operating system loading from hard drive 193

No operating system loading from hard drive, part 2194 Appendix G Appendix G — Quick troubleshooting flowcharts ENWW

No operating system loading from hard drive, part 3ENWW No operating system loading from hard drive 195

No operating system loading from diskette drive196 Appendix G Appendix G — Quick troubleshooting flowcharts ENWW

No operating system loading from CD-ROM driveENWW No operating system loading from CD-ROM drive 197

No operating system loading from network198 Appendix G Appendix G — Quick troubleshooting flowcharts ENWW

Non-functioning deviceENWW Non-functioning device 199

ENERGY STAR The ENERGY STAR® program, a government-backed initiative, promotes energy efficiency byidentifying ways to reduce energy consumption. Sele

200 Appendix G Appendix G — Quick troubleshooting flowcharts ENWW

Hyper-Threading TechnologyHT Technology is a high performance technology, developed by Intel, that allows a single processor toexecute multiple thread

Dual-core CPUsThe HP xw4400 Workstation contains a dual-core processor. Like HT Technology, dual-core processorsenable better performance over traditi

HP Cool ToolsHP xw4400 Workstation comes preloaded with additional software that is not automatically installedwhen you first boot your system. Additi

2 Installing or restoring the operatingsystemThis chapter describes the installation and restoration of the operating system.●Installing the operating

Installing the operating system and softwareThe following sections discuss operating system and HP software installation procedures.Microsoft Windows

Linux does not support mixed drive types for a manufacturing preload. When restoring the operatingsystem, mixed drive types can be handled with the re

Installing the Linux operating systemTo install the Linux operating system on your Linux-enabled system, follow the instructions for Restoringthe Linu

HP softwareThe following HP software may be installed on your workstation depending on the operating system andoptions:●Computer Setup (F10) Utilities

Trademark CreditsThe HP Invent logo is a trademark of Hewlett-Packard Company inthe U.S. and other countries.Microsoft and Windows are trademarks of M

Restoring the Windows operating systemYour workstation has a several methods to restore your Windows XP operating system to a near-factorystate, or to

HP Backup and Recovery Manager restore pointsHP Backup and Recovery Manager is preinstalled on your workstation. This software allows you tobackup and

Protecting the softwareTo protect software from loss or damage, keep a backup copy of all system software, applications, andrelated files stored on th

Ordering backup softwareIf you are unable to create system recovery CDs or DVDs, the HP Restore Plus CD set can be obtainedthrough product support on

24 Chapter 2 Installing or restoring the operating system ENWW

3 System managementThis section describes the various tools and utilities that allow for the system management of theworkstation.●Computer Setup (F10)

Computer Setup (F10) UtilityThe Computer Setup (F10) Utility enables you to:●Change factory default settings and set or change the system configuratio

●Replicate your system setup by saving system configuration information on diskette and restoringit on one or more workstations.●Execute self-tests on

4. Use the arrow (left and right) keys to select the appropriate heading. Use the arrow (up and down)keys to select the option you want, and press Ent

Heading Option DescriptionIgnore Changesand ExitExits Computer Setup without applying or saving any changes.Save Changesand ExitSaves changes to syste

Heading Option DescriptionEnables/disables SATA controller #0.Secondary SATA ControllerEnables/disables SATA controller #1.DPS Self-test Enables you t

Heading Option DescriptionSystem IDs Allows you to set:●Asset tag (16-byte identifier) and ownership tag (80-byte identifier displayed during POST).●U

Heading Option DescriptionOnboardDevices Enables you to set resources for or disable onboard system devices (serial ports, USB ports,diskette controll

Heading Option DescriptionSlot 6 PCI Configures the option ROM and latency timer.**These options should be used by advanced users only.Table 3-1 Comp

Desktop managementHP Client Management Solutions (available for download from http://www.hp.com/go/easydeploy)provides standards-based solutions for m

the process. The default boot order is a BIOS configuration setting that can be changed to alwaysattempt to PXE boot.HP and Altiris have partnered to

●Help desk and problem resolution●Managing help desk tickets●Remote troubleshooting●Remote problem resolution●Client disaster recovery●Software and op

ROM flashThe workstation comes with a programmable flash ROM. By establishing a setup password in theComputer Setup (F10) Utility, you can protect the

To recover the system after it enters Boot Block recovery mode:1. If there is a diskette in the diskette drive or a CD in the CD drive, remove the dis

Copying to a single workstationCAUTION A setup configuration is model-specific. File system corruption can result if sourceand target workstations are

Table of contents1 Product overviewProduct features ...

NOTE If you do not press the F10 key at the appropriate time, you must restart theworkstation and press and hold the F10 key again to access the utili

HP has made the task of locating, accessing, evaluating, and installing the latest support software easier.You can download the software from http://w

Table 3-3 Security Features Overview Feature Purpose How it is establishedRemovable Media Boot Control Prevents booting from the removable mediadriv

3. Select Security>Setup Password and follow the on-screen instructions.4. Before exiting, select File>Save Changes and Exit.Establishing a powe

To enter a setup password:1. Restart the workstation.2. As soon as the workstation is powered on, press and hold the F10 key until you enter the Compu

Deleting a power-on or setup password1. Power on or restart the workstation.2. To delete the power-on password, go to step 3.To delete the Setup Passw

Clearing passwordsIf you forget your password, you cannot access the workstation. See the section on resetting thepassword jumper for instructions on

Using DriveLockWhen one or more hard drives that support the ATA Security command set are detected, the DriveLockoption appears under the Security men

In a single drive system, if the drive is drive-locked, then the system will most likely not boot to theoperating system. The system may try to boot f

CAUTION For maximum cover lock security, be sure to establish a setup password. The setuppassword prevents unauthorized access to the Computer Setup u

Restoring from the HP Backup and Recovery Manager restore point CD or DVDs ... 21Restoring from the HP Backup and Recovery Manager restore poin

To obtain the FailSafe Key, complete any one of the following tasks:●Contact your authorized HP reseller or service provider.●Access the HP website (h

Drive Protection SystemThe Drive Protection System(DPS) is a diagnostic tool built into the hard drives that is installed in selectHP workstations. th

52 Chapter 3 System management ENWW

4 Removal and replacement proceduresThis chapter describes removal and replacement procedures of most internal components.●Service considerations on p

Service considerationsThe following sections discuss service considerations that should be reviewed and practiced beforeremoving and replacing any sys

Preventing electrostatic damage to equipmentMany electronic components are sensitive to ESD. Circuitry design and structure determine the degreeof se

●Keep work area free of nonconductive materials, such as ordinary plastic assembly aids andStyrofoam.●Use field service tools, such as cutters, screwd

If necessary, additional drive guide screws are provided on the system chassis. There are eight Metricscrews located on the chassis near the 5.25-inch

Hard drivesHandle hard drives as delicate, precision components, avoiding all physical shock and vibration. Thisguideline applies to failed drives as

Customer Self-RepairCustomer Self-Repair enables you to obtain replacement parts and install them yourself on yourworkstation. See http://www.hp.com/g

Clearing Passwords ... 50Cable lock provision (optional) ...

Predisassembly proceduresPerform the following steps before servicing the workstation:1. Close any open software applications.2. Remove any diskettes

System board componentsThe following image shows the system board connectors and sockets on the HP xw4400 Workstation.Figure 4-2 System board identif

System board architecture The following image shows the HP xw4400 Workstation block diagram.Figure 4-3 System board block diagram62 Chapter 4 Remov

Steps for removal and replacement of componentsThis section discusses the procedures necessary to remove and install various hardware componentson you

Front fan removal(optional) (Front PCI cardguide and fan removal(optional) on page 82)Battery (Batteryon page 83)Hard drive (SAS harddrive on page 91)

Cable lock (optional)If a cable lock is installed, remove it before servicing the unit. To remove the cable lock, unlock it andpull it out of the cab

2. Remove the screw attaching the lock to the chassis.Side access panel Before accessing the internal components of the workstation, the side access

To replace the side access panel, align the bottom groove of the side access panel with the bottom edgeof the chassis, rotate the side access panel to

Figure 4-8 Removing the bezel blanksNOTE The bezel blanks are keyed to assist you in replacing the blanks. Also, the subpanel canbe rotated 90 degree

Solenoid hood lock (Smart cover lock) (optional)To remove the hood lock:1. Disconnect power from the system (Predisassembly procedures on page 60) and

PCI Slots ... 76...

6. Pull the front panel I/O device assembly out about two inches away 4 from the chassis.7. Pull the front panel cables through the chassis and out th

Power buttonTo remove the power button:1. Disconnect power from the system (Predisassembly procedures on page 60), remove the sideaccess panel (Side a

3. Remove the four screws 2 securing the speaker to the chassis and lift the speaker out 3 of thechassis.Figure 4-14 Removing the speakerTo replace t

Figure 4-15 Removing the power supplyTo replace the power supply, reverse the previous steps.System fan assemblyTo remove the system fan assembly:1.

CAUTION When replacing the system fan, be sure that the fan is situated so that the airflowdirection arrow is pointing toward the rear of the chassis.

NOTE DIMMs and their sockets are keyed for proper installation. Be sure these guides line upwhen installing DIMMs.●Use only industry-standard, unbuffe

Figure 4-19 Installing a memory modulePCI SlotsThis section contains information on PCI slots.Your workstation contains three PCI slots, one PCI Expr

3 PCI Express x16 (4) 25W4 PCI Express x 1 25W5 PCI 32/33 25W6 PCI 32/33 25W* In addition to these slot power specifications, the overall power consum

3. Secure the bracket with two screws 3.Figure 4-22 Installing the PCI retainerPCI Express PCI Express is a point-to-point architecture and uses a

If removing another type of PCI Express card, lift the card out of the chassis. You do not need topress in on the “hockey stick” lever.4. Install a PC

Solving network problems ... 129Solving memory problems

5. Close the PCI retention clamp 4 by rotating the clamp downward and pushing on the two greensnaps down from the rear panel of the chassis.Figure 4-2

To install a PCI card:1. Disconnect power from the system (Predisassembly procedures on page 60), remove the sideaccess panel (Side access panel on pa

5. Install a PCI slot cover and close the PCI levers. If the PCI levers do not closed, be sure all cardsare properly seated and then try again.Figure

3. Unsnap the fan housing from the chassis 2 and lift it out of the chassis 3.Figure 4-28 Removing the front fan4. Remove the fan from the fan housin

CAUTION Before removing the battery, be sure your CMOS settings are backed up as allCMOS settings are lost when the battery is removed. To back up the

Figure 4-31 Identifying the correct power connections for a typical configurationP1 Main power on system boardP2 N/AP3 CPU powerP4 PCI Express graphi

Optical drive (Minitower position) To remove an optical drive:1. Disconnect power from the system (Predisassembly procedures on page 60), remove the

4. After pulling the drive 1 out, remove the four guide screws 2 from the drive. Only remove the fourguide screws if you plan to install another drive

4. Connect the power, drive, and audio (if required) cables to the drive and system board. On Linuxsystems, connect the audio cable to the AUX-IN conn

3. Press down on the yellow drive-lock release lever 1 and gently slide the drive 2 out of the chassis.Figure 4-37 Removing the optical drive from th