Service Reference GuideHP Compaq dc7800 Business PC
Rear Chassis Fan ... 188Batt
6. Connect the power cable (1) and data cable (2) to the rear of the optical drive or diskette drive.7. If you are installing a new drive, connect the
ReadyBoost CardA ReadyBoost card is installed in the computer. The card is secured to the chassis, and a cable connectsthe card to the system board.1.
Front I/O Device and Power Switch1. Prepare the computer for disassembly (Preparation for Disassembly on page 60).2. Remove the computer access panel
Fan Shroud1. Prepare the computer for disassembly (Preparation for Disassembly on page 60).2. Remove the computer access panel (Computer Access Panel
Heatsink1. Prepare the computer for disassembly (Preparation for Disassembly on page 60).2. Remove the computer access panel (Computer Access Panel on
Processor1. Prepare the computer for disassembly (Preparation for Disassembly on page 60).2. Remove the computer access panel (Computer Access Panel o
5. If using a new heatsink, remove the protective covering from the bottom of the heatsink and placeit in position atop the processor.6. Secure the he
Rear Chassis Fan1. Prepare the computer for disassembly (Preparation for Disassembly on page 60).2. Remove the computer access panel (Computer Access
Inner Chassis Fan1. Prepare the computer for disassembly (Preparation for Disassembly on page 60).2. Remove the computer access panel (Computer Access
Serial Port1. Prepare the computer for disassembly (Preparation for Disassembly on page 60).2. Remove the computer access panel (Computer Access Panel
Solving Audio Problems ... 233Solving
Power Supply1. Prepare the computer for disassembly (Preparation for Disassembly on page 60).2. Remove the computer access panel (Computer Access Pane
System Board1. Prepare the computer for disassembly (Preparation for Disassembly on page 60).2. Remove the computer access panel (Computer Access Pane
BatteryThe battery that comes with your computer provides power to the real-time clock and has a lifetime ofabout three years. When replacing the batt
Type 1 Battery Holder1. Lift the battery out of its holder.2. Slide the replacement battery into position, positive side up.3. The battery holder auto
4. Plug in the computer and turn on power to the computer.5. Reset the date and time and any special system setups using Computer Setup. Refer to theC
Changing from a Desktop to a Minitower Configuration1. Prepare the computer for disassembly (Preparation for Disassembly on page 60).2. Remove the com
CAUTION: The bottom 5.25-inch drive bay has a shorter depth than the upper two bays. Thebottom bay supports a half-height drive or other device that i
Changing from a Minitower to a Desktop Configuration1. Prepare the computer for disassembly (Preparation for Disassembly on page 60).2. Remove the com
7. Gently slide the drive into the uppermost available bay until it snaps into place. When the drive isproperly inserted, the drivelock will secure it
8 Removal and Replacement ProceduresSmall Form Factor (SFF) ChassisAdherence to the procedures and precautions described in this chapter is essential
Unlocking the Smart Cover LockNOTE: The Smart Cover Lock is an optional feature included on some models only.The Smart Cover Lock is a software-contro
Using the Smart Cover FailSafe Key to Remove the Smart Cover LockTo open the access panel with the Smart Cover Lock engaged:1. Prepare the computer fo
External Security DevicesThe following security devices are used to prevent unauthorized access to the internal components ofthe computer and/or secur
HP Business PC Security Lock1. Fasten the security cable by looping it around a stationary object.2. Thread the keyboard and mouse cables through the
3. Screw the lock to the chassis using the screw provided.4. Insert the plug end of the security cable into the lock (1) and push the button in (2) to
Computer Access Panel1. Prepare the computer for disassembly (Preparation for Disassembly on page 107).2. Press the buttons on the left and right side
Front Bezel1. Prepare the computer for disassembly (Preparation for Disassembly on page 107).2. Remove the access panel (Computer Access Panel on page
Bezel BlanksOn some models, there are bezel blanks covering the 3.5-inch and 5.25-inch external drive bays thatneed to be removed before installing a
Installing Additional MemoryThe computer comes with double data rate 2 synchronous dynamic random access memory (DDR2-SDRAM) dual inline memory module
Populating DIMM SocketsThere are four DIMM sockets on the system board, with two sockets per channel. The sockets arelabeled DIMM1, DIMM2, DIMM3, and
1 Installing and Customizing the SoftwareNOTE: If the computer was shipped with Windows Vista loaded, you will be prompted to register thecomputer wit
be populated with the two 512-MB DIMMs. With this configuration, 2-GB will run as dual channeland 512-MB will run as single channel.●In any mode, the
4. Open both latches of the memory module socket (1), and insert the memory module into the socket(2).NOTE: A memory module can be installed in only o
Expansion CardsThe computer has one standard low-profile PCI expansion slot that can accommodate an expansioncard up to 17.46 cm (6.875 inches) in len
4. Release the slot cover retention latch that secures the PCI slot covers by lifting the green tab onthe latch and rotating the latch to the open pos
b. If you are removing a standard PCI card, hold the card at each end, and carefully rock it backand forth until the connectors pull free from the soc
CAUTION: After removing an expansion card, you must replace it with a new card or expansionslot cover for proper cooling of internal components during
Cable ManagementThe Small Form Factor chassis is a very compact computer and proper routing of the internal cables iscritical to the operation of the
Cable ConnectionsSystem board connectors are color-coded to make it easier to find the proper connection.Cable To Cable DesignatorPower Supply System
DrivesA Torx T-15 screwdriver is needed to remove and install the guide screws on a drive.CAUTION: Make sure personal files on the hard drive are back
Installing and Removing DrivesWhen installing additional drives, follow these guidelines:●The primary Serial ATA (SATA) hard drive must be connected t
HP Backup and Recovery ManagerThe HP Backup and Recovery Manager is an easy-to-use, versatile application that allows you to backup and recover the pr
CAUTION: To prevent loss of work and damage to the computer or drive:If you are inserting or removing a drive, shut down the operating system properly
System Board Drive ConnectionsRefer to the following illustration and table to identify the system board drive connectors.No. System Board Connector S
Removing an Optical DriveCAUTION: All removable media should be taken out of a drive before removing the drive from thecomputer.NOTE: An optical drive
5. Rotate the drive cage back down to its normal position.CAUTION: Be careful not to pinch any cables or wires when rotating the drive cage down.6. Pr
3. If you are installing a drive in a bay covered by a bezel blank, remove the front bezel then removethe bezel blank. See Bezel Blanks on page 115 fo
6. Rotate the drive cage to its upright position.7. Connect the SATA data cable to the white system board connector labeled SATA1.8. Route the data ca
10. Rotate the drive cage back down to its normal position.CAUTION: Be careful not to pinch any cables or wires when rotating the drive cage down.The
2. Disconnect the drive cables, as indicated in the following illustrations:a. If you are removing a diskette drive, disconnect the data cable (1) and
3. Press the green drive retainer latch (1) located on the right side of the drive to disengage the drivefrom the drive cage. While pressing the drive
3. Position the guide screws on the drive into the J-slots in the drive bay. Then slide the drive towardthe front of the computer until it locks into
2 Computer Setup (F10) UtilityComputer Setup (F10) UtilitiesUse Computer Setup (F10) Utility to do the following:●Change factory default settings.●Set
Primary 3.5-inch Internal SATA Hard DriveNOTE: The system does not support Parallel ATA (PATA) hard drives.The preinstalled 3.5-inch hard drive is loc
5. Disconnect the power cable (1) and data cable (2) from the back of the hard drive.6. Press down on the green release latch next to the hard drive (
Removable 3.5-inch SATA Hard DriveSome models are equipped with a Removable SATA Hard Drive Enclosure in the 5.25-inch externaldrive bay. The hard dri
4. Remove the four screws from the bottom of the hard drive carrier.5. Slide the hard drive back to disconnect it from the carrier then lift it up and
6. Place the new hard drive in the carrier then slide the hard drive back so that it seats in the SATAconnector on the carrier's circuit board. B
8. Place the thermal sensor on top of the hard drive in a position that does not cover the label (1) andattach the thermal sensor to the top of the ha
ReadyBoost CardA ReadyBoost card is installed in the computer. The card is secured to the chassis, and a cable connectsthe card to the system board.1.
Fan Shroud1. Prepare the computer for disassembly (Preparation for Disassembly on page 107).2. Remove the access panel (Computer Access Panel on page
Chassis Fan1. Prepare the computer for disassembly (Preparation for Disassembly on page 107).2. Remove the access panel (Computer Access Panel on page
Power Switch Assembly1. Prepare the computer for disassembly (Preparation for Disassembly on page 107).2. Remove the access panel (Computer Access Pan
●Solve system configuration errors detected but not automatically fixed during the Power-On Self-Test (POST).●Replicate the system setup by saving sys
Front I/O Device1. Prepare the computer for disassembly (Preparation for Disassembly on page 107).2. Remove the access panel (Computer Access Panel on
Heatsink1. Prepare the computer for disassembly (Preparation for Disassembly on page 107).2. Remove the access panel (Computer Access Panel on page 11
Processor1. Prepare the computer for disassembly (Preparation for Disassembly on page 107).2. Remove the access panel (Computer Access Panel on page 1
4. Apply the thermal grease provided in the spares kit to the top of the processor and install theheatsink atop the processor.5. Go to step 7.6. If us
Power SupplyWARNING! Voltage is always present on the system board when the computer is plugged into anactive AC outlet. To avoid possible personal in
System Board1. Prepare the computer for disassembly (Preparation for Disassembly on page 107).2. Remove the access panel (Computer Access Panel on pag
8. Disconnect the serial port from the system board.9. Disconnect the balance of the cables from the system board.10. Remove the heatsink (Heatsink on
CAUTION: Before reinstalling the heatsink you must clean the top of the processor and the bottom ofthe heatsink with an alcohol pad supplied in the sp
8. Remove the four screws that secure the backwall assembly to the chassis (1), slide the backwallassembly toward the front of the chassis (2), and th
CAUTION: Static electricity can damage the electronic components of the computer or optionalequipment. Before beginning these procedures, ensure that
Computer Setup—FileNOTE: Support for specific Computer Setup options may vary depending on the hardwareconfiguration.Table 2-2 Computer Setup—FileOpt
2. To insert the new battery, slide one edge of the replacement battery under the holder’s lip with thepositive side up (2). Push the other edge down
9 Removal and Replacement ProceduresUltra-Slim Desktop (USDT) ChassisAdherence to the procedures and precautions described in this chapter is essentia
External Security DevicesThe following security devices are used to prevent unauthorized access to the internal components ofthe computer and/or secur
HP Business PC Security Lock1. Fasten the security cable by looping it around a stationary object.2. Thread the keyboard and mouse cables through the
3. Screw the lock to the chassis using the screw provided.4. Insert the plug end of the security cable into the lock (1) and push the button in (2) to
Computer Access PanelTo access internal components, you must remove the access panel:1. Prepare the computer for disassembly (Preparation for Disassem
Front Bezel1. Prepare the computer for disassembly (Preparation for Disassembly on page 159).2. Remove the computer access panel (Computer Access Pane
Bezel BlanksOn some models, there is a bezel blank covering the external drive bay that needs to be removed beforeinstalling a drive. To remove a beze
MemoryThe computer comes with double data rate 2 synchronous dynamic random access memory (DDR2-SDRAM) small outline dual inline memory modules (SODIM
Populating SODIMM SocketsItem Description Socket Color1 SODIMM1 socket, Channel A Black2 SODIMM3 socket, Channel B WhiteNOTE: A SODIMM must occupy the
Computer Setup—StorageNOTE: Support for specific Computer Setup options may vary depending on the hardwareconfiguration.Table 2-3 Computer Setup—Stor
4. If you are adding a second SODIMM, remove the SODIMM from the top DIMM1 socket to accessthe bottom DIMM3 socket. Press outward on the two latches o
Cable ManagementAlways follow good cable management practices when working inside the computer.●Keep cables away from major heat sources like the heat
Cable ConnectionsSystem board connectors are color-coded to make it easier to find the proper connection.System Board ConnectionsSystem Board Connecto
4. Slide the drive all the way out of the bay through the front bezel.Preparing a New Optical DriveBefore you can use the new optical drive, attach th
Installing a New Optical DriveNOTE: If you are installing an optical drive in a bay that did not previously have a drive in it, you mustremove the acc
4. Connect the cable to the rear of the optical drive (1), and then slide the drive the rest of the wayinto the bay so that it locks in place (2).Opti
Hard DriveNOTE: The Ultra-Slim Desktop supports only 2.5-inch Serial ATA (SATA) internal hard drives; parallelATA (PATA) internal hard drives are not
6. To remove the hard drive from the carrier, remove the guide screw from the front left side of thecarrier.7. Slide the carrier back and remove the h
8. Transfer the three remaining guide screws (two on the right and one on the rear left) from the olddrive to the new drive.9. Align the guide screws
10. To place the hard drive carrier back in the chassis, align the guide screws with the slots on thedrive bay, drop the carrier straight down into th
Allows you to specify the parameters (logical cylinders, heads, and sectors per track) used by theBIOS to translate disk I/O requests (from the operat
Hard Drive Cage1. Prepare the computer for disassembly (Preparation for Disassembly on page 159).2. Remove the computer access panel (Computer Access
Port CoverAn optional rear port cover is available for the computer.To install the port cover:1. Thread the cables through the bottom hole on the port
ReadyBoost CardA ReadyBoost card is installed in the computer. The card is secured to the chassis, and a cable connectsthe card to the system board.1.
Fan1. Prepare the computer for disassembly (Preparation for Disassembly on page 159).2. Remove the computer access panel (Computer Access Panel on pag
Speaker1. Prepare the computer for disassembly (Preparation for Disassembly on page 159).2. Remove the computer access panel (Computer Access Panel on
I/O Panel1. Prepare the computer for disassembly (Preparation for Disassembly on page 159).2. Remove the computer access panel (Computer Access Panel
Heatsink1. Prepare the computer for disassembly (Preparation for Disassembly on page 159).2. Remove the computer access panel (Computer Access Panel o
5. Lay the heatsink on its top in a safe area to prevent the thermal grease from contaminating thework surface.If reusing the existing heatsink go to
Processor1. Prepare the computer for disassembly (Preparation for Disassembly on page 159).2. Remove the computer access panel (Computer Access Panel
5. If using a new heatsink, remove the protective covering from the bottom of the heatsink and placeit in position atop the processor.6. Secure the he
© Copyright 2007 Hewlett-PackardDevelopment Company, L.P. Theinformation contained herein is subject tochange without notice.Microsoft and Windows are
Computer Setup—SecurityNOTE: Support for specific Computer Setup options may vary depending on the hardwareconfiguration.Table 2-4 Computer Setup—Sec
12. Lift the rear of the system board until it clears the chassis (3), and then remove the system boardfrom the chassis (4).To install the system boar
10. Lift the fan out of the chassis (2).To install the fan, reverse the removal procedures.BatteryThe battery that comes with your computer provides p
CAUTION: Static electricity can damage the electronic components of the computer or optionalequipment. Before beginning these procedures, ensure that
A Connector Pin AssignmentsThis appendix contains the pin assignments for many computer and workstation connectors. Some ofthese connectors may not be
Ethernet RJ-45Connector and Icon Pin Signal1234(+) Transmit Data(-) Transmit Data(+) Receive DataUnused5678Unused(-) Receive DataUnusedUnusedEthernet
Parallel InterfaceConnector and IconPin Signal Pin Signal1234StrobeData Bit 0Data Bit 1Data Bit 2 10111213AcknowledgeBusyPaper EndSelect5678Data Bi
USBConnector and Icon Pin Signal1234+5 VDC- Data+ DataGroundMicrophoneConnector and Icon (1/8” miniphone) Pin Signal1231 (Tip)2 (Ring)3 (Shield)Audio_
External Infrared TransceiverConnector and Icon Pin Signal1234TransmitReceiveGround5V5678ModeNot UsedNot UsedNot UsedMonitorConnector and IconPin Sign
ATA/ATAPI (IDE) Standard Drive CableConnectorPin Signal Pin Signal Pin Signal1234ResetGroundDD7DD815161718DD1DD14DD0DD1529303132DMAKGroundINTRQIOCS165
CD-ROM 50-Pin ConnectorConnectorPin Signal Pin Signal Pin Signal Pin Signal1234Audio L-chAudio R-chAudio GNDGND14151617DD12DD3DD13DD227282930IORDYDMAC
●Embedded security device (some models)●SATA0●SATA1 (some models)●SATA4 (some models)●SATA5 (some models)Network Service Boot Enables/disables the com
24-Pin MicroFit Power (CMT, SFF)Connector2412131FrontPin Signal Pin Signal Pin Signal Pin Signal123456+5 VauxGND+5V+5VPS_ONGND789101112PWRGD+3.3V+3.3
SATA Data and PowerDrive Connector Pin Signal Pin Signal Pin Signal Pin SignalS1S5GroundB-S2S6A+B+S3S7A-GroundS4 GroundP1P5P9P13GroundB-V 5V 12P2P6
52535455PERp8PERN8GNDGND57585960PERn9GNDGNDPERp1062636465GNDGNDPERp11PERn1167686970GNDPERp12PERn12GND72737475PERp13PERn13GNDGND7677787980PERp14PERn14G
52535455GNDGNDPETp9PETn957585960GNDPETp10PETn10GND62636465PETp11PETn11GNDGND67686970PETn12GNDGNDPETp1372737475GNDGNDPETp14PETn147677787980GNDGNDPETp15
313233343636PETn0SMB_DATAPETp0GNDGNDUSB_D-373839404142Reserved*USB_D+Reserved*GNDReserved*LED_WWAN#434445464748Reserved*LED_WLAN#Reserved*LED_WPAN#Res
B Power Cord Set RequirementsThe power supplies on some computers have external power switches. The voltage select switch featureon the computer permi
Country-Specific RequirementsAdditional requirements specific to a country are shown in parentheses and explained below.Country Accrediting Agency C
C POST Error MessagesThis appendix lists the error codes, error messages, and the various indicator light and audiblesequences that you may encounter
POST Numeric Codes and Text MessagesThis section covers those POST errors that have numeric codes associated with them. The section alsoincludes some
Control panel message Description Recommended actioncontact an authorized dealer or reseller forRTC battery replacement.163-Time & Date Not Set CM
NOTE: To configure the Embedded Security Device, a Setup password must be set.●Reset to Factory Settings (some models) (Do not reset/Reset) Resetting
Control panel message Description Recommended action303-Keyboard Controller Error I/O board keyboard controller. 1. Reconnect keyboard with computertu
Control panel message Description Recommended action4. Replace diskette drive.5. Replace the system board.605-Diskette Drive Type Error Mismatch in dr
Control panel message Description Recommended action1720-SMART Hard Drive Detects ImminentFailureHard drive is about to fail. (Some hard driveshave a
Control panel message Description Recommended action2202-PMM Deallocation Error during MEBxcleanupMemory error during POST execution of theManagement
Control panel message Description Recommended actionParity Check 2 Parity RAM failure. Run Computer Setup and Diagnostic utilities.System will not boo
Activity Beeps Possible Cause Recommended ActionRed Power LED flashes threetimes, once every second,followed by a two secondpause. Beeps stop after fi
Activity Beeps Possible Cause Recommended Actioniteration but LEDs continueuntil problem is solved.Red Power LED flashes eighttimes, once every second
Activity Beeps Possible Cause Recommended Action3. Check that both power supply cables areproperly connected to the system board.4. Check to see if th
D Troubleshooting Without DiagnosticsThis chapter provides information on how to identify and correct minor problems, such as diskette drive,hard driv
●Boot the computer to the Safe Mode to see if it will boot without all of the drivers loaded. Whenbooting the operating system, use “Last Known Config
Computer Setup—PowerNOTE: Support for specific Computer Setup options may vary depending on the hardwareconfiguration.Table 2-5 Computer Setup—PowerO
●Check all cable connections for loose connections or incorrect connections.●Wake the computer by pressing any key on the keyboard or pressing the pow
Solving General ProblemsYou may be able to easily resolve the general problems described in this section. If a problem persistsand you are unable to r
There is no sound or sound volume is too low.Cause SolutionSystem volume may be set low or muted. 1. Check the F10 BIOS settings to make sure the inte
Poor performance is experienced.Cause Solution(Windows Vista) and type msconfig. On the Startup tabof the System Configuration Utility, uncheck applic
System does not power on and the LEDs on the front of the computer are not flashing.Cause Solution3. Check that both power supply cables are properlyc
Power LED flashes Red four times, once every second, followed by a two second pause, and the computer beeps fourtimes. (Beeps stop after fifth iterati
Drive not found.Cause SolutionCable is loose. Reseat diskette drive data and power cable.Removable drive is not seated properly. Reseat the drive.The
A problem has occurred with a disk transaction.Cause SolutionThe directory structure is bad, or there is a problem with a file. In Microsoft Windows X
Solving Hard Drive ProblemsTable D-4 Solving Hard Drive ProblemsHard drive error occurs.CauseSolutionHard disk has bad sectors or has failed. 1. In M
Nonsystem disk/NTLDR missing message.Cause SolutionThe system is trying to start from a diskette that is not bootable. Remove the diskette from the di
Computer Setup—AdvancedNOTE: Support for specific Computer Setup options may vary depending on the hardwareconfiguration.Table 2-6 Computer Setup—Adv
Computer seems to be locked up.Cause Solutionoff the power. To restart the computer, press the power buttonagain.The removable hard drive has no power
A write-protected or locked error occurs when attempting to write to the media card.Cause SolutionMedia card is locked. Locking the media card is a sa
Solving Display ProblemsIf you encounter display problems, see the documentation that came with the monitor and to the commoncauses and solutions list
Blank screen and the power LED flashes Red five times, once every second, followed by a two second pause, and thecomputer beeps five times. (Beeps sto
Blurry video or requested resolution cannot be set.Cause SolutionIf the graphics controller was upgraded, the correct graphicsdrivers may not be loade
Vibrating or rattling noise coming from inside a CRT monitor when powered on.Cause SolutionMonitor degaussing coil has been activated. None. It is nor
Table D-7 Solving Audio ProblemsSound cuts in and out.Cause SolutionProcessor resources are being used by other openapplications.Shut down all open p
Sound from headphones is not clear or muffled.Cause SolutionHeadphones are plugged into the rear audio output connector.The rear audio output connecto
Printer prints garbled information.Cause SolutionThe correct printer driver for the application is not installed. Install the correct printer driver f
Cursor will not move using the arrow keys on the keypad.Cause SolutionThe Num Lock key may be on. Press the Num Lock key. The Num Lock light should no
NOTE: If you turn off power to the computer using the switch on a power strip, you will not be ableto use the suspend/sleep feature or the Remote Mana
device and configures the computer. If you install a non–plug and play device, you must reconfigure thecomputer after completing installation of the n
Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps fivetimes. (Beeps stop after fifth iterati
Table D-12 Solving Network ProblemsWake-on-LAN feature is not functioning.Cause SolutionWake-on-LAN is not enabled. To enable Wake-on-LAN in Windows
Network status link light never flashes.NOTE: The network status light is supposed to flash when there is network activity.CauseSolutionNetwork contro
Network controller stopped working when an expansion board was added to the computer.Cause SolutionThe network controller requires drivers. Verify tha
CAUTION: Power may still be supplied to the DIMMs when the computer is turned off (depending onthe Management Engine (ME) settings). To avoid damage t
Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps fivetimes. (Beeps stop after fifth iterati
Table D-15 Solving CD-ROM and DVD ProblemsSystem will not boot from CD-ROM or DVD drive.Cause SolutionThe device is attached to a SATA port that has
Movie will not play in the DVD drive.Cause SolutionMovie rating locked out by parental lock. Use DVD software to remove parental lock.Media installed
Solving Drive Key ProblemsIf you encounter Drive Key problems, common causes and solutions are listed in the following table.Table D-16 Solving Drive
NOTE: After Integrated Video is enabled and changes saved, a new menu item appearsunder Advanced to allow you to select the primary VGA controller vid
Table D-17 Solving Front Panel Component ProblemsA USB device, headphone, or microphone is not recognized by the computer.Cause SolutionDevice is not
Unable to connect to the Internet.Cause SolutionIP address is not configured properly. Contact your ISP for the correct IP address.Cookies are corrupt
Internet takes too long to download Web sites.Cause Solution1. Select Start > Control Panel.2. Click on System and Maintenance.3. Click on System.4
“Illegal Operation has Occurred” error message is displayed.Cause SolutionSoftware being used is not Microsoft-certified for your versionof Windows.Ve
E System Board and Riser BoardReference DesignatorsThese reference designators are used on most but not all HP system and riser boards.Designator Comp
J38J39J40Secondary SCSI connectorStacked parallel/SCSI connectorAGP slotJ41J50J51J52J53x16 PCI Express slot for graphicsFirst parallel portSecond para
L3L4L5P1USB rear port choke (2nd)USB rear port choke (3rd)USB front port choke (2nd)P/S connector (20 or 24 pin)P2P3P4P5P6Second P/S connector (as req
P54P55P58P60P61Primary serial portDouble stack serial port, Top = Serial B, Bottom = Serial ARiser edge connector (male-mates with J30)PrimarySerial A
U4U5South bridgeSuper I/OU6U7U10U11U12Clock chip64 bit BridgeLOM1LOM1 EEPROMLOM1 PHYU13U14U16U17U18Audio CodecAudio amplifierLOM2LOM2 EEPROMLOM2 PHYU1
Y4Y5/H5Secondary NIC clock crystalRTC clock crystal/tie-down257
3 Computer Diagnostic FeaturesHP Insight DiagnosticsNOTE: HP Insight Diagnostics is included on CD with some computer models only.The HP Insight Diagn
IndexSymbols/Numerics24-pin MicroFit power pinassignments 19824-pin power pinassignments 1974-pin power pin assignments 1986-pin power pin assignments
cloning tools, software 21CMT5.25" drive bezel removal andreplacement 66access panel removal andreplacement 64battery removal andreplacement 100c
ethernetAUI pin assignments 192BNC pin assignments 191RJ-45 pin assignments 192expansion cardsCMT removal andreplacement 72SFF removal andreplacement
line-in audio pinassignments 194line-out audio pinassignments 194locking Smart Cover Lock 46lockscable lock 160HP Business PC SecurityLock 161Mmedia c
RReadyBoost cardCMT removal andreplacement 89SFF removal andreplacement 144USDT removal andreplacement 180rear chassis fanCMT removal andreplacement 9
setup passwordchanging 42deleting 43entering 42setting 41SFFbackwall removal andreplacement 155battery removal andreplacement 156cable connections 125
URLs (Web sites). See Web sitesUSB flash media device,bootable 35, 36USB pin assignments 194USDTbattery removal andreplacement 189bezel blanks remova
6. Shut down the operating system and turn off the computer.7. Turn on the computer. The system will boot to the CD.NOTE: If the system does not boot
Test TabThe Test tab allows you to choose various parts of the system to test. You can also choose the type oftest and testing mode.There are three ty
About This BookWARNING! Text set off in this manner indicates that failure to follow directions could result in bodilyharm or loss of life.CAUTION: Te
After testing has completed, the Cancel Testing button is replaced with a Retest button. The Retestbutton will retest the last set of tests executed.
Saving and Printing Information in HP Insight DiagnosticsYou can save the information displayed in the HP Insight Diagnostics Survey and Log tabs to a
HP Backup and Recovery ManagerThe HP Backup and Recovery Manager is an easy-to-use, versatile application that allows you to backup and recover the pr
4 Desktop ManagementHP Client Management Solutions provides standards-based solutions for managing and controllingdesktops, workstations, and notebook
You may prefer to replace the preinstalled software image with a customized set of system andapplication software. There are several methods for deplo
3. For Windows Vista, click Install Altiris DAgent.For Windows XP, click Install Altiris AClient.4. Follow the onscreen instructions to set up and con
Software Updating and ManagementHP provides several tools for managing and updating software on desktops, workstations, andnotebooks:●HP Client Manage
HP Client Management Interface used in conjunction with system management software can:●Request in-depth client inventory information—Capture detailed
●Remotely configure BIOS and security settings●Automate processes to quickly resolve hardware problemsTight integration with HP Instant Support tools
HP Client Premium SuiteHP Client Premium Suite (HP CPS) is designed for organizations wanting full client hardware andsoftware lifecycle management fr
iv About This Book
HP OpenView PC Configuration Management SolutionNOTE: HP OpenView PC Configuration Management Solution is not currently available for WindowsVista.HP
Recovery Points and file backups can be copied to CD or DVD discs, while all backups can be copiedto network or secondary hard disks.HP highly recomme
NOTE: For an overview of Intel vPro technology, visit http://www.intel.com/vpro.For HP-specific information on Intel vPro technology, see the white pa
◦VLAN—allows administrator to enable LAN virtualization support◦SOL/IDE-R—allows administrator to enable remote boot and control sessions●Change MEBx
CAUTION: For maximum ROM protection, be sure to establish a setup password. The setup passwordprevents unauthorized ROM upgrades. System Software Mana
To recover the system after it enters Boot Block Emergency Recovery Mode, complete the followingsteps:1. Turn off the power.2. Insert a CD or USB flas
8. Turn on the computer to be configured.9. As soon as the computer is turned on, press F10 when the monitor light turns green to enterComputer Setup.
10. Turn off the computer to be configured. Insert the configuration diskette or USB flash media deviceand turn the computer on. The configuration uti
After the system files have been transferred, SYS will return to the A:\ prompt. Go to step 13.9. Copy any files you want to keep from your USB flash
NOTE: If you do not press F10 at the appropriate time, you must restart the computer and againpress F10 when the monitor light turns green to access t
Table of contents1 Installing and Customizing the SoftwareInstalling the Operating System ...
To change the power button’s configuration, complete the following steps:1. Left click on the Start Button, then select Control Panel > Power Optio
available for Windows Vista), or other system management applications. Seamless, automaticintegration between asset tracking features and these produc
Option DescriptionPre-Boot Authorization Allows you to enable/disable the Smart Card to be used in place of the Power-On Password.Smart Cover Allows y
Password SecurityThe power-on password prevents unauthorized use of the computer by requiring entry of a passwordto access applications or data each t
NOTE: Type carefully; for security reasons, the characters you type do not appear on the screen.If you enter the password incorrectly, a broken key ic
Deleting a Power-On or Setup PasswordIf the system is equipped with an embedded security device, refer to the HP ProtectTools SecurityManager Guide at
If the system is equipped with an embedded security device, refer to the HP ProtectTools SecurityManager Guide at http://www.hp.com.DriveLockDriveLock
For users with less stringent security requirements, HP does not recommend enabling DriveLock. Usersin this category include personal users or users w
Locking the Smart Cover LockTo activate and lock the Smart Cover Lock, complete the following steps:1. Turn on or restart the computer. If you are in
Cable Lock ProvisionThe rear panel of the computer accommodates a cable lock so that the computer can be physicallysecured to a work area.For illustra
HP ProtectTools Security Manager ... 26HP Client Premium Suite ...
5 Serial and Parallel ATA Drive Guidelinesand FeaturesNOTE: Serial ATA = SATAParallel ATA = PATASATA Hard DrivesSerial ATA Hard Drive Characteristics
SATA Hard Drive CablesSATA Data CableAlways use an HP approved SATA 3.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5Gb/s drives.Cu
PATA Device InformationThe USDT model is the only product that supports a PATA optical drive. No PATA drives are supportedon any other model.ATA SMART
6 Identifying the Chassis, Routine Care,and Disassembly PreparationThis chapter provides general service information for the computer. Adherence to th
Small Form Factor (SFF)Ultra-Slim Desktop (USDT)52 Chapter 6 Identifying the Chassis, Routine Care, and Disassembly Preparation
Electrostatic Discharge InformationA sudden discharge of static electricity from your finger or other conductor can destroy static-sensitivedevices or
●Avoid contact with pins, leads, or circuitry.●Place reusable electrostatic-sensitive parts from assemblies in protective packaging or conductivefoam.
●Conductive foam●Conductive tabletop workstations with ground cord of one-megohm +/- 10% resistance●Static-dissipative table or floor mats with hard t
Routine CareGeneral Cleaning Safety Precautions1. Never use solvents or flammable solutions to clean the computer.2. Never immerse any parts in water
●If you remove a key, use a specially designed key puller to prevent damage to the keys. This toolis available through many electronic supply outlets.
5 Serial and Parallel ATA Drive Guidelines and FeaturesSATA Hard Drives ...
●Diagnostics software●HP tamper-resistant T-15 wrench (Smart Cover FailSafe Key, PN 166527-001) or HP tamper-resistant bits (Smart Cover FailSafe Key,
Lithium Coin Cell BatteryThe battery that comes with the computer provides power to the real-time clock and has a minimumlifetime of about three years
7 Removal and Replacement ProceduresConvertible Minitower (CMT) ChassisAdherence to the procedures and precautions described in this chapter is essent
Unlocking the Smart Cover LockIf you have locked the Smart Cover Lock use Computer Setup to unlock the lock. Refer to the DesktopManagement Guide for
External Security DevicesThe following security devices are used to prevent unauthorized access to the internal components ofthe computer and/or secur
Hood Sensor1. Prepare the computer for disassembly (Preparation for Disassembly on page 60).2. Remove the access panel (Computer Access Panel on page
Computer Access Panel1. Prepare the computer for disassembly (Preparation for Disassembly on page 60).CAUTION: Before removing the computer access pan
Front Bezel1. Prepare the computer for disassembly (Preparation for Disassembly on page 60).2. Remove the computer access panel (Computer Access Panel
Bezel Blanks1. Prepare the computer for disassembly (Preparation for Disassembly on page 60).2. Remove the access panel (Computer Access Panel on page
Cable ManagementAlways follow good cable management practices when working inside the computer.●Keep cables away from major heat sources like the heat
System Board Drive Connections ... 78Drive Positions ...
Cable ConnectionsSystem board connectors are color-coded to make it easier to find the proper connection.System Board ConnectionsSystem Board Connecto
MemoryThe computer comes with double data rate 2 synchronous dynamic random access memory (DDR2-SDRAM) dual inline memory modules (DIMMs).The memory s
Item Description Socket Color1 DIMM socket XMM1, Channel A Black2 DIMM socket XMM2, Channel A White3 DIMM socket XMM3, Channel B White4 DIMM socket XM
3. Open both latches of the memory module socket (1), and insert the memory module into the socket(2).NOTE: A memory module can be installed in only o
Expansion CardsThe computer has three standard full-height PCI expansion slots that can accommodate an expansioncard up to 34 cm (13.4 inches) in leng
4. Press straight down on the two green thumb tabs inside the chassis (1) and rotate the expansioncard retention latch up (2).5. Before installing an
b. If you are removing a standard PCI card, hold the card at each end and carefully rock it backand forth until the connectors pull free from the sock
8. To install a new expansion card, slide the bracket on the end of the card down into the slot on theback of the chassis and press the card down firm
DrivesThe computer supports up to five drives that may be installed in various configurations.When installing additional drives, follow these guidelin
CAUTION: To prevent loss of work and damage to the computer or drive:If you are inserting or removing a drive, shut down the operating system properly
Removing an External 3.5-inch Drive ... 134Installing a Drive into the 3.5-inch External Dr
System Board Drive ConnectionsRefer to the following illustration and table to identify the system board drive connectors.No. System Board Connector S
Drive Positions1 Three 5.25-inch external drive bays for optional drives (optical drives andmedia card reader shown)12 One 3.5-inch external drive bay
Installing a 3.5-inch Hard Drive into an Internal Drive BayCAUTION: To prevent loss of work and damage to the computer or drive:If you are inserting o
6. Pull up on the green hard drive drivelock mechanism (1) for that drive and slide the drive from thedrive bay (2).7. Remove the four guide screws (t
Removing and Replacing a Removable 3.5-inch SATA Hard DriveSome models are equipped with a Removable SATA Hard Drive Enclosure in the 5.25-inch extern
3. Remove the adhesive strip that secures the thermal sensor to the top of the hard drive (1) andmove the thermal sensor away from the carrier (2).4.
5. Slide the hard drive back to disconnect it from the carrier then lift it up and out of the carrier.6. Place the new hard drive in the carrier then
7. Replace the four screws in the bottom of the carrier to hold the drive securely in place.8. Place the thermal sensor on top of the hard drive in a
9. Slide the cover on the carrier (1) and replace the screw on the rear of the carrier to secure the coverin place (2).10. Slide the hard drive carrie
Installing a 5.25-inch or 3.5-inch Drive into an External Drive BayNOTE: A 3.5-inch drive may be a diskette drive or a media card reader. A 5.25-inch
Kommentare zu diesen Handbüchern