HP Compaq dc7100 DT Technical Information

Service Reference GuideHP Compaq Business Desktop dc7100 Series3rd Edition Document Part Number: 361288-0033rd Edition, November 2005 2nd Edition, Oc

1–2 361288-003 Service Reference Guide, dc7100Installing the Operating System1.2 Transferring Files and SettingsUse the Microsoft Windows XP Files an

6–20 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.13 DrivesThe computer support

Service Reference Guide, dc7100 361288-003 6–21Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.13.2 Hard Drive ÄCAUTION: To

6–22 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6. Pull up on the green hard dr

Service Reference Guide, dc7100 361288-003 6–23Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis8. Store the removed drive in a

6–24 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.13.3 Optical Drive ✎An optica

Service Reference Guide, dc7100 361288-003 6–25Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis8. In the minitower mode, pull

6–26 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis10. Install the drive by slidin

Service Reference Guide, dc7100 361288-003 6–27Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.13.4 Diskette Drive 1. If you

6–28 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.14 Front I/O Device 1. Prepar

Service Reference Guide, dc7100 361288-003 6–29Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.15 Power Switch Assembly 1.

Service Reference Guide, dc7100 361288-003 1–3Installing the Operating System Software Support Management toolsCertain drivers and utilities are avai

6–30 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.16 System Board 1. Prepare th

Service Reference Guide, dc7100 361288-003 6–31Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.17 BatteryThe 3-volt lithium

6–32 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.17.1 Type 1 Battery Holder1.

Service Reference Guide, dc7100 361288-003 6–33Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.17.2 Type 2 Battery Holder1.

6–34 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.18 Heatsink 1. Prepare the co

Service Reference Guide, dc7100 361288-003 6–35Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.19 Processor 1. Prepare the c

6–36 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) ChassisGo to step 5.5. If using a new

Service Reference Guide, dc7100 361288-003 6–37Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.20 Speaker 1. Prepare the com

6–38 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.21 Chassis Fan 1. Prepare the

Service Reference Guide, dc7100 361288-003 6–39Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.22 Power Supply ÅWARNING: Vol

1–4 361288-003 Service Reference Guide, dc7100Installing the Operating System

6–40 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.23 Changing from Desktop to M

Service Reference Guide, dc7100 361288-003 6–41Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis7. Before you reinstall each dr

6–42 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis12. Reposition the subpanel (ro

Service Reference Guide, dc7100 361288-003 6–43Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.24 Changing from Minitower to

6–44 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis7. Before reinstalling each dri

Service Reference Guide, dc7100 361288-003 6–45Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis12. Reposition the subpanel (ro

6–46 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis

Service Reference Guide, dc7100 361288-003 7–17Removal and Replacement Procedures— Small Form Factor (SFF) ChassisAdherence to the procedures and prec

7–2 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.2 Unlocking the Smart Cover Lock I

Service Reference Guide, dc7100 361288-003 7–3Removal and Replacement Procedures— Small Form Factor (SFF) ChassisTo reattach the Smart Cover Lock, pos

Service Reference Guide, dc7100 361288-003 2–12Setup Utilities and Diagnostics FeaturesSetup Utilities (F10) and diagnostic features provide informati

7–4 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.3 Hood Sensor 1. Prepare the comput

Service Reference Guide, dc7100 361288-003 7–5Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.4 External Security Devices7.4.1 Se

7–6 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.4.3 Padlock A padlock may be used b

Service Reference Guide, dc7100 361288-003 7–7Removal and Replacement Procedures— Small Form Factor (SFF) Chassis2. Screw the lock to the chassis usin

7–8 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis3. Insert the plug into the lock 1 an

Service Reference Guide, dc7100 361288-003 7–9Removal and Replacement Procedures— Small Form Factor (SFF) Chassis2. Thread the keyboard and mouse cabl

7–10 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis4. Insert the plug end of the securi

Service Reference Guide, dc7100 361288-003 7–11Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.5 Computer Cover 1. Prepare the co

7–12 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.6 Fron t Drive B e zels 1. Pre

Service Reference Guide, dc7100 361288-003 7–13Removal and Replacement Procedures— Small Form Factor (SFF) ChassisThere are three drive bezel inserts

2–2 361288-003 Service Reference Guide, dc7100Setup Utilities and Diagnostics Features2.2 Computer Setup UtilitiesUse Computer Setup Utilities (F10)

7–14 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.7 Cable Management The Slim Tower

Service Reference Guide, dc7100 361288-003 7–15Removal and Replacement Procedures— Small Form Factor (SFF) ChassisWhen removing the power supply power

7–16 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.8 M emor y ÄCAUTION: The memory m

Service Reference Guide, dc7100 361288-003 7–17Removal and Replacement Procedures— Small Form Factor (SFF) Chassis6. Repeat steps 4 and 5 for any addi

7–18 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.9 Vertically Oriented Expansion C

Service Reference Guide, dc7100 361288-003 7–19Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.9.2 PCI Expansion Card 1. If you h

7–20 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis9. Install the expansion card by sli

Service Reference Guide, dc7100 361288-003 7–21Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.9.3 PCI Express Expansion CardTo

7–22 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.10 Horizontally Oriented Expansio

Service Reference Guide, dc7100 361288-003 7–23Removal and Replacement Procedures— Small Form Factor (SFF) Chassis6. Remove the expansion card cage Se

Service Reference Guide, dc7100 361288-003 2–3Setup Utilities and Diagnostics Features2.2.1 Using Computer Setup (F10) Utilities Computer Setup can be

7–24 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis15. Reinstall the expansion card cag

Service Reference Guide, dc7100 361288-003 7–25Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.10 .3 Riser C a rd1. If you have

7–26 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.11 DrivesA Torx T-15 screwdriver i

Service Reference Guide, dc7100 361288-003 7–27Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.11.2 O p tica l Drive ÄCAUTION: Al

7–28 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis6. Disconnect the power and data cab

Service Reference Guide, dc7100 361288-003 7–29Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.11.3 External 3.5-inch Drive 1. If

7–30 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.11.4 Prim ar y H ard Drive 1. If

Service Reference Guide, dc7100 361288-003 7–31Removal and Replacement Procedures— Small Form Factor (SFF) Chassis5. Remove the security clip that sec

7–32 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7. Disconnect the power cable 1 and

Service Reference Guide, dc7100 361288-003 7–33Removal and Replacement Procedures— Small Form Factor (SFF) Chassis✎When replacing the hard drive, tran

2–4 361288-003 Service Reference Guide, dc7100Setup Utilities and Diagnostics Features2.2.2 Computer Setup Menu.Heading Option DescriptionFile System

7–34 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.12 Fan Shroud 1. Prepare the comp

Service Reference Guide, dc7100 361288-003 7–35Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.13 Front I/O Devices 1. Prepare th

7–36 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7. Remove the SATA cable from the fr

Service Reference Guide, dc7100 361288-003 7–37Removal and Replacement Procedures— Small Form Factor (SFF) Chassis9. Remove the two screws that secure

7–38 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) ChassisFollow these procedures for reinstal

Service Reference Guide, dc7100 361288-003 7–39Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.14 Power Switch Assembly 1. Prepa

7–40 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.15 H e a tsin k 1. Prepare the com

Service Reference Guide, dc7100 361288-003 7–41Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.16 Processor 1. Prepare the compu

7–42 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis3. If reusing the existing heatsink,

Service Reference Guide, dc7100 361288-003 7–43Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.17 S p eaker 1. Prepare the comput

Service Reference Guide, dc7100 361288-003 2–5Setup Utilities and Diagnostics FeaturesStorage Device ConfigurationLists all installed BIOS-controlled

7–44 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.18 Power Supply ÅWARNING: Voltage

Service Reference Guide, dc7100 361288-003 7–45Removal and Replacement Procedures— Small Form Factor (SFF) Chassis9. Lift the power supply up and out

7–46 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.19 System Board 1. Prepare the com

Service Reference Guide, dc7100 361288-003 7–47Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7. Rotate the power supply to its up

7–48 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis10. Remove the long mounting screw t

Service Reference Guide, dc7100 361288-003 7–49Removal and Replacement Procedures— Small Form Factor (SFF) Chassis11. Slide the system board tray asse

7–50 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.20 Chassis Fan 1. Prepare the comp

Service Reference Guide, dc7100 361288-003 7–51Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.21 B ac kwall 1. Prepare the comp

7–52 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis8. Disconnect the “Serial A” cable 1

Service Reference Guide, dc7100 361288-003 7–53Removal and Replacement Procedures— Small Form Factor (SFF) Chassis11. Slide the system board tray asse

2–6 361288-003 Service Reference Guide, dc7100Setup Utilities and Diagnostics FeaturesStorage (continued)Device Configuration(continued)Translation Mo

7–54 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis13. Slide the new backwall 1 onto th

Service Reference Guide, dc7100 361288-003 7–55Removal and Replacement Procedures— Small Form Factor (SFF) Chassis16. Reconnect all power and data cab

7–56 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis19. Install the new PCI riser card c

Service Reference Guide, dc7100 361288-003 7–57Removal and Replacement Procedures— Small Form Factor (SFF) Chassis21. Replace the fan shroud on top of

7–58 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.22 Ba t te r yThe battery that com

Service Reference Guide, dc7100 361288-003 7–59Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.22.1 Typ e 1 B a t te r y H o ld e

7–60 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.22.2 Type 2 B a t ter y H o l d

Service Reference Guide, dc7100 361288-003 7–61Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.22.3 Type 3 Battery Holder1. Pull

7–62 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures— Small Form Factor (SFF) Chassis

Service Reference Guide, dc7100 361288-003 8–1Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8Removal and Replacement Procedure

Service Reference Guide, dc7100 361288-003 2–7Setup Utilities and Diagnostics FeaturesStorage(continued)Storage Options(continued)SATA EmulationAllows

8–2 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8. If the PC is mounted in the acc

Service Reference Guide, dc7100 361288-003 8–3Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.2 External Security Devices8.2.1

8–4 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.2.2 Installing a Padlock A padlo

Service Reference Guide, dc7100 361288-003 8–5Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.3 Computer Access Panel 1. Prep

8–6 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.4 MultiBay DeviceÄCAUTION: The M

Service Reference Guide, dc7100 361288-003 8–7Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.5 MultiBay Riser CardÄCAUTION:

8–8 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.6 Front Panel Assembly1. Prepare

Service Reference Guide, dc7100 361288-003 8–9Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.7 Front Bezel1. Prepare the comp

8–10 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.8 Chassis Fan1. Prepare the com

Service Reference Guide, dc7100 361288-003 8–11Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.9 Cable ManagementAlways follow

© 2004, 2005 Hewlett-Packard Development Company, L.P.HP, Hewlett Packard, and the Hewlett-Packard logo are trademarks of Hewlett-Packard Company in t

2–8 361288-003 Service Reference Guide, dc7100Setup Utilities and Diagnostics FeaturesStorage (continued)Boot Order Allows you to:• Specify the order

8–12 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.10 Memory ÄCAUTION: The memory

Service Reference Guide, dc7100 361288-003 8–13Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis✎A memory module can be installed

8–14 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.11 Expansion Card Cage1. Prepa

Service Reference Guide, dc7100 361288-003 8–15Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.12 Expansion Card 1. Prepare th

8–16 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis7. Slide the bracket on the end o

Service Reference Guide, dc7100 361288-003 8–17Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.13 Hood Sensor1. Prepare the co

8–18 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.14 Expansion Card Retaining La

Service Reference Guide, dc7100 361288-003 8–19Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.15 Hard Drive A Torx T-15 scre

8–20 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis7. Pull the drive release lever a

Service Reference Guide, dc7100 361288-003 8–21Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.16 Front I/O Device 1. Prepare

Service Reference Guide, dc7100 361288-003 2–9Setup Utilities and Diagnostics FeaturesSecurity(continued)Embedded SecurityAllows you to:• Enable/disab

8–22 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.17 Heatsink Assembly 1. Prepare

Service Reference Guide, dc7100 361288-003 8–23Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.17.1 Heatsink Fan with Shroud1.

8–24 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.18 Processor1. Prepare the comp

Service Reference Guide, dc7100 361288-003 8–25Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis4. Clean the bottom of the heatsi

8–26 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.19 Power Supply ÅWARNING: Volta

Service Reference Guide, dc7100 361288-003 8–27Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.20 BatteryThe battery that come

8–28 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.20.1 Type 1 Battery Holder1. Li

Service Reference Guide, dc7100 361288-003 8–29Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.20.2 Type 2 Battery Holder1. To

8–30 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.20.3 Type 3 Battery1. Pull back

Service Reference Guide, dc7100 361288-003 8–31Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.21 Speaker 1. Prepare the compu

2–10 361288-003 Service Reference Guide, dc7100Setup Utilities and Diagnostics FeaturesPower OS Power Management• Runtime Power Management - Enable/Di

8–32 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis8.22 System Board 1. Prepare the

Service Reference Guide, dc7100 361288-003 A–1Connector Pin AssignmentsAConnector Pin AssignmentsThis appendix contains the pin assignments for many c

A–2 361288-003 Service Reference Guide, dc7100Connector Pin AssignmentsEthernet RJ-45Connector and Icon Pin Signal1 2 3 4(+) Transmit Data (-) Transmi

Service Reference Guide, dc7100 361288-003 A–3Connector Pin AssignmentsParallel InterfaceConnector and IconPin Signal Pin Signal Pin Signal1 2 3Strobe

A–4 361288-003 Service Reference Guide, dc7100Connector Pin AssignmentsHeadphoneConnector and Icon (1/8” miniphone) Pin Signal1 (Tip) Audio_Left2 (Rin

Service Reference Guide, dc7100 361288-003 A–5Connector Pin AssignmentsUltra SCSIConnector and IconPin Signal Pin Signal Pin Signal Pin Signal1-11 12

A–6 361288-003 Service Reference Guide, dc7100Connector Pin AssignmentsATA/ATAPI (IDE) Standard Drive CableConnectorPin Signal Pin Signal Pin Signal1

Service Reference Guide, dc7100 361288-003 A–7Connector Pin Assignments24-Pin PowerConnectorPin Signal Pin Signal Pin Signal Pin Signal1 2 3 4 5 6+3.3

A–8 361288-003 Service Reference Guide, dc7100Connector Pin Assignments 6-Pin PowerConnector and Icon Pin Signal1GND2GND3GND412 V CPU512 V CPU6+12 V64

Service Reference Guide, dc7100 361288-003 A–9Connector Pin AssignmentsPCI Express x1, x4, x8, and x16 PCI Express ConnectorPin APin Signal Pin Signal

Service Reference Guide, dc7100 361288-003 2–11Setup Utilities and Diagnostics FeaturesAdvanced**For advanced users onlyPower-On Options Allows you to

A–10 361288-003 Service Reference Guide, dc7100Connector Pin AssignmentsPin BPin Signal Pin Signal Pin Signal Pin Signal Pin Signal1 2 3 4 5+12V +12V

Service Reference Guide, dc7100 361288-003 B–1BPower Cord Set RequirementsThe voltage select switch feature on the computer permits it to operate from

B–2 361288-003 Service Reference Guide, dc7100Country-Specific RequirementsAdditional requirements specific to a country are shown in parentheses and

Service Reference Guide, dc7100 361288-003 C–1CPOST Error MessagesPOST Error MessagesAn error message results if the Power-On Self-Test (POST) encount

C–2 361288-003 Service Reference Guide, dc7100163-Time & Date Not SetInvalid time or date in configuration memory. RTC (real-time clock) battery m

Service Reference Guide, dc7100 361288-003 C–3301-Keyboard Error Keyboard failure. Reconnect keyboard with computer turned off.Check connector for ben

C–4 361288-003 Service Reference Guide, dc7100605-Diskette Drive Type ErrorMismatch in drive type. Run Computer Setup (F10 Setup).Disconnect any other

Service Reference Guide, dc7100 361288-003 C–51785-MultiBay incorrectly installed (continued)(for integrated MultiBay/ USDT systems)MultiBay device no

C–6 361288-003 Service Reference Guide, dc71002000-Master Boot Record Hard Drive has Changed.The current bootable hard drive is not the same as the on

Service Reference Guide, dc7100 361288-003 C–7POST Diagnostic Front Panel LEDs and Audible CodesThis section covers the front panel LED codes as well

2–12 361288-003 Service Reference Guide, dc7100Setup Utilities and Diagnostics FeaturesAdvanced* (continued)*For advanced users onlyPower-On Options (

C–8 361288-003 Service Reference Guide, dc7100Red Power LED flashes three times, once every second, followed by a two second pause. Beeps stop after t

Service Reference Guide, dc7100 361288-003 C–9Red Power LED flashes six times, once every second, followed by a two second pause. Beeps stop after the

C–10 361288-003 Service Reference Guide, dc7100Red Power LED flashes nine times, once every second, followed by a two second pause.9 System powers on

Service Reference Guide, dc7100 361288-003 D–1DTroubleshooting Without DiagnosticsPreliminary ChecklistThis section describes some simple, preliminary

D–2 361288-003 Service Reference Guide, dc7100Solving Minor ProblemsSolving Minor Problems Problem Cause Possible SolutionComputer appears locked up a

Service Reference Guide, dc7100 361288-003 D–3Poor performance is experienced. (continued)Program previously accessed did not release reserved memory

D–4 361288-003 Service Reference Guide, dc7100System does not power on and the LEDs on the front of the computer are not flashing.System unable to pow

Service Reference Guide, dc7100 361288-003 D–5Solving Power Supply ProblemsSolving Power Supply Problems Problem Cause SolutionPower supply shuts down

D–6 361288-003 Service Reference Guide, dc7100Solving Diskette ProblemsSolving Diskette Problems Problem Cause SolutionDiskette drive light stays on.

Service Reference Guide, dc7100 361288-003 D–7Cannot format diskette. (continued)Diskette is write-protected.Use another diskette or remove the write

Service Reference Guide, dc7100 361288-003 2–13Setup Utilities and Diagnostics FeaturesAdvanced* (continued)*For advanced users onlyDevice options All

D–8 361288-003 Service Reference Guide, dc7100Solving Hard Drive ProblemsSolving Hard Drive Problems Problem Cause SolutionHard drive error occurs. Ha

Service Reference Guide, dc7100 361288-003 D–9Nonsystem disk/NTLDR missing message. (continued)System is trying to start from a damaged hard drive.1.

D–10 361288-003 Service Reference Guide, dc7100Solving MultiBay ProblemsParallel ATA (PATA) hard drive does not perform optimally.Using the wrong cabl

Service Reference Guide, dc7100 361288-003 D–11Solving Display ProblemsProblem Cause SolutionBlank screen (no video). The cable connections are not co

D–12 361288-003 Service Reference Guide, dc7100Blank screen and the power LED flashes Red five times, once every second, followed by a two second paus

Service Reference Guide, dc7100 361288-003 D–13Monitor is not capable of displaying requested resolution.Change requested resolution.Graphics card is

D–14 361288-003 Service Reference Guide, dc7100Certain typed symbols do not appear correct.The font you are using does not support that particular sym

Service Reference Guide, dc7100 361288-003 D–15Solving Audio ProblemsSolving Audio Problems Problem Cause SolutionSound does not come out of the speak

D–16 361288-003 Service Reference Guide, dc7100ÄCAUTION: When attempting to resume from standby mode, do not hold down the power button for more than

Service Reference Guide, dc7100 361288-003 D–17Solving Printer ProblemsSolving Printer Problems Problem Cause SolutionPrinter will not print. Printer

2–14 361288-003 Service Reference Guide, dc7100Setup Utilities and Diagnostics Features2.3 Diagnostics for WindowsThe Diagnostics for Windows (DFW) ut

D–18 361288-003 Service Reference Guide, dc7100Solving Keyboard and Mouse ProblemsSolving Keyboard and Mouse ProblemsProblem Cause SolutionKeyboard co

Service Reference Guide, dc7100 361288-003 D–19Mouse does not respond to movement or is too slow. (continued)Computer is in standby mode.Press the pow

D–20 361288-003 Service Reference Guide, dc7100Solving Hardware Installation ProblemsYou may need to reconfigure the computer when you add or remove h

Service Reference Guide, dc7100 361288-003 D–21Power LED flashes Red five times, once every second, followed by a two second pause, and the computer b

D–22 361288-003 Service Reference Guide, dc7100Solving Network ProblemsThese guidelines do not discuss the process of debugging the network cabling.So

Service Reference Guide, dc7100 361288-003 D–23Diagnostics passes, but the computer does not communicate with the network.Network drivers are not load

D–24 361288-003 Service Reference Guide, dc7100Solving Memory ProblemsÄCAUTION: For those systems that support ECC memory, HP does not support mixing

Service Reference Guide, dc7100 361288-003 D–25Solving Processor Problems.Solving Processor ProblemsProblem Cause SolutionPoor performance is experien

D–26 361288-003 Service Reference Guide, dc7100Solving CD-ROM and DVD ProblemsSolving CD-ROM and DVD Problems Problem Cause SolutionSystem will not bo

Service Reference Guide, dc7100 361288-003 D–27Solving Drive Key ProblemsSolving Front Panel Component ProblemsCD or DVD disc is dirty. Clean CD or DV

Service Reference Guide, dc7100 361288-003 2–15Setup Utilities and Diagnostics Features2.3.1 Detecting Diagnostics for WindowsSome computers ship with

D–28 361288-003 Service Reference Guide, dc7100Solving Internet Access ProblemsA USB device, headphone, or microphone is not recognized by the worksta

Service Reference Guide, dc7100 361288-003 D–29Cookies are corrupted. Windows XP1. Select Start > Control Panel.2. Double-click Internet Options.3

D–30 361288-003 Service Reference Guide, dc7100POST Diagnostic Front Panel LEDs and Audible CodesThis section covers the front panel LED codes as well

Service Reference Guide, dc7100 361288-003 D–31Red Power LED flashes three times, once every second, followed by a two second pause. Beeps stop after

D–32 361288-003 Service Reference Guide, dc7100Red Power LED flashes seven times, once every second, followed by a two second pause. Beeps stop after

Service Reference Guide, dc7100 361288-003 D–33System does not power on and LEDs are not flashing.None System unable to power on.Press and hold the po

D–34 361288-003 Service Reference Guide, dc7100

Service Reference Guide, dc7100 361288-003 E–1ESystem Board and Riser Card Reference DesignatorsThese reference designators are used on most, but not

E–2 361288-003 Service Reference Guide, dc71000J69 J70 J71 J72 J73Video connector, VGA Primary single USB connector Secondary single USB port Micropho

Service Reference Guide, dc7100 361288-003 E–3P27 P29 P30 P40 P41MultiBay header SCSI LED connector PCI extender slot (female) Blade PC graphics conne

2–16 361288-003 Service Reference Guide, dc7100Setup Utilities and Diagnostics Features2.3.3 Using Categories in Diagnostics for Windows To use catego

E–4 361288-003 Service Reference Guide, dc71000U46 U50 U51 U52 U53VRM controller USB front port power switch First USB rear port power switch Second U

Service Reference Guide, dC7100 361288-003 F–1FMemoryIntel-Based SystemsComputers equipped with Intel-based processors come with double data rate sync

F–2 361288-003 Service Reference Guide, d7100DIMM SocketsThere are four DIMM sockets on the system board, with two sockets per channel. The sockets ar

Service Reference Guide, dC7100 361288-003 F–3 In any mode, the maximum operational speed is determined by the slowest DIMM in the system. For exampl

F–4 361288-003 Service Reference Guide, d7100

Service Reference Guide, dc7100 361288-003 Index–1IndexIndex4-pin power pin assignments A–724-pin MicroFit power pin assignments A–724-pin power pin a

Index–2 361288-003 Service Reference Guide, dc7100Indexexpansion card guide removal and replacement 6–19expansion card removal and replacement 6–14exp

Service Reference Guide, dc7100 361288-003 Index–3IndexBNC pin assignments A–1RJ-45 pin assignments A–2expansion cardCMT PCI Express socket removal an

Index–4 361288-003 Service Reference Guide, dc7100IndexSFF removal and replacement 7–27overheating, prevention 5–5PpadlockCMT 6–5SFF removal and repla

Service Reference Guide, dc7100 361288-003 Index–5IndexSFF expansion card cage 7–22SFF expansion card retainer 7–18SFF external 3.5-inch drive 7–29SFF

Service Reference Guide, dc7100 361288-003 2–17Setup Utilities and Diagnostics Features❏ Resources—IRQ, I/O, and Memory Map ❏ Health—Status of system

Index–6 361288-003 Service Reference Guide, dc7100Indexriser card removal and replacement 7–25Smart Cover Lock removal and replacement 7–2speaker remo

Service Reference Guide, dc7100 361288-003 iiiContents Contents1 Installing the Operating System1.1 Installing or Upgrading Device Drivers . . . . .

2–18 361288-003 Service Reference Guide, dc7100Setup Utilities and Diagnostics Features4. Select Interactive Mode or Unattended Mode. In Interactive M

Service Reference Guide, dc7100 361288-003 2–19Setup Utilities and Diagnostics Features2.4.1 Installing Configuration Record The Configuration Record

2–20 361288-003 Service Reference Guide, dc7100Setup Utilities and Diagnostics Features

Service Reference Guide, dc7100 361288-003 3–13Desktop ManagementHP Client Management Solutions provides standards-based solutions for managing and co

3–2 361288-003 Service Reference Guide, dc7100Desktop Management3.2 Remote System InstallationRemote System Installation allows you to start and set u

Service Reference Guide, dc7100 361288-003 3–3Desktop Management3.3.2 Altiris Client Management SolutionsHP and Altiris have partnered to provide comp

3–4 361288-003 Service Reference Guide, dc7100Desktop Management3.3.4 Proactive Change Notification (PCN)The Proactive Change Notification program use

Service Reference Guide, dc7100 361288-003 3–5Desktop Management3.3.8 HPQFlashThe HPQFlash utility is used to locally update or restore the system ROM

3–6 361288-003 Service Reference Guide, dc7100Desktop ManagementThe following table lists the various keyboard light combinations used by the Boot Blo

Service Reference Guide, dc7100 361288-003 3–7Desktop Management6. Click File > Replicated Setup > Save to Removable Media. Follow the instructi

iv 361288-003 Service Reference Guide, dc7100Contents3.4 Asset Tracking and Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–8 361288-003 Service Reference Guide, dc7100Desktop Management8. Download a BIOS utility for replicating setup (repset.exe) and copy it onto the con

Service Reference Guide, dc7100 361288-003 3–9Desktop Management❏ 256MB HP Drive Key❏ 256MB DiskOnKey A bootable DOS diskette with the FDISK and SYS

3–10 361288-003 Service Reference Guide, dc7100Desktop Management✎The default boot order varies from computer to computer, and it can be changed in th

Service Reference Guide, dc7100 361288-003 3–11Desktop Management5. As soon as the computer is turned on, press and hold the F10 key until you enter C

3–12 361288-003 Service Reference Guide, dc7100Desktop Management3.3.11 Dual-State Power ButtonWith Advanced Configuration and Power Interface (ACPI)

Service Reference Guide, dc7100 361288-003 3–13Desktop Management3.4 Asset Tracking and SecurityAsset tracking features incorporated into the compute

3–14 361288-003 Service Reference Guide, dc7100Desktop ManagementPre-Boot Authorization Allows you to enable/disable the Smart Card to be used in plac

Service Reference Guide, dc7100 361288-003 3–15Desktop ManagementDriveLock Allows you to assign or modify a master or user password for MultiBay hard

3–16 361288-003 Service Reference Guide, dc7100Desktop ManagementSave Master Boot Record Saves a backup copy of the Master Boot Record of the current

Service Reference Guide, dc7100 361288-003 3–17Desktop Management3.4.1 Password SecurityThe power-on password prevents unauthorized use of the compute

Service Reference Guide, dc7100 361288-003 vContents 5.4.1 General Cleaning Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–18 361288-003 Service Reference Guide, dc7100Desktop ManagementEntering a Power-On PasswordTo enter a power-on password, complete the following step

Service Reference Guide, dc7100 361288-003 3–19Desktop Management3. When the key icon appears, type the current password, a slash (/) or alternate del

3–20 361288-003 Service Reference Guide, dc7100Desktop ManagementNational Keyboard Delimiter CharactersEach keyboard is designed to meet country-speci

Service Reference Guide, dc7100 361288-003 3–21Desktop ManagementUsing DriveLockThe DriveLock option appears under the Security menu in Computer Setup

3–22 361288-003 Service Reference Guide, dc7100Desktop Management3.4.5 Smart Cover SensorCover Removal Sensor, available on select models, is a combin

Service Reference Guide, dc7100 361288-003 3–23Desktop ManagementLocking the Smart Cover LockTo activate and lock the Smart Cover Lock, complete the f

3–24 361288-003 Service Reference Guide, dc7100Desktop Management3.4.6 Master Boot Record SecurityThe Master Boot Record (MBR) contains information ne

Service Reference Guide, dc7100 361288-003 3–25Desktop ManagementYou must know the setup password, if one exists.In the unlikely event that the previo

3–26 361288-003 Service Reference Guide, dc7100Desktop Management3.5 Fault Notification and RecoveryFault Notification and Recovery features combine

Service Reference Guide, dc7100 361288-003 4–1Serial and Parallel ATA Drive Guidelines and Features4Serial and Parallel ATA Drive Guidelines and Featu

vi 361288-003 Service Reference Guide, dc7100Contents7 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis7.1 Preparation for Disassem

4–2 361288-003 Service Reference Guide, dc7100Serial and Parallel ATA Drive Guidelines and Features4.2 ATA Cables4.2.1 SATA Data CableThe SATA data ca

Service Reference Guide, dc7100 361288-003 4–3Serial and Parallel ATA Drive Guidelines and Features4.2.3 PATA Data Cable4.2.4 PATA Power CablePin Sign

4–4 361288-003 Service Reference Guide, dc7100Serial and Parallel ATA Drive Guidelines and Features4.2.5 PATA Cable LayoutThe faces of industry-standa

Service Reference Guide, dc7100 361288-003 4–5Serial and Parallel ATA Drive Guidelines and Features4.3 PATA Drive Installation GuidelinesMost compute

4–6 361288-003 Service Reference Guide, dc7100Serial and Parallel ATA Drive Guidelines and Features4.3.2 PATA Attach Sequence Rules by Class PriorityD

Service Reference Guide, dc7100 361288-003 4–7Serial and Parallel ATA Drive Guidelines and Features4.3.3 PATA Attach Sequence WorksheetUse the workshe

4–8 361288-003 Service Reference Guide, dc7100Serial and Parallel ATA Drive Guidelines and FeaturesExample 1: Three-Device Installation SampleA system

Service Reference Guide, dc7100 361288-003 4–9Serial and Parallel ATA Drive Guidelines and FeaturesExample 2: Four-Device Installation SampleA system

4–10 361288-003 Service Reference Guide, dc7100Serial and Parallel ATA Drive Guidelines and Features4.4 ATA SMART DrivesThe Self Monitoring Analysis

Service Reference Guide, dc7100 361288-003 4–11Serial and Parallel ATA Drive Guidelines and Features4.6 SATA BIOS4.6.1 Legacy ModeThe Legacy mode is u

Service Reference Guide, dc7100 361288-003 viiContents 8.4 MultiBay Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4–12 361288-003 Service Reference Guide, dc7100Serial and Parallel ATA Drive Guidelines and Features4.7 Mixed Devices Boot and Drive Letter OrderingS

Service Reference Guide, dc7100 361288-003 5–1Identifying the Chassis, Routine Care, and Disassembly Preparation5Identifying the Chassis, Routine Care

5–2 361288-003 Service Reference Guide, dc7100Identifying the Chassis, Routine Care, and Disassembly Preparation5.1.2 Small Form Factor (SFF)5.1.3 U

Service Reference Guide, dc7100 361288-003 5–3Identifying the Chassis, Routine Care, and Disassembly Preparation5.2 Electrostatic Discharge Informatio

5–4 361288-003 Service Reference Guide, dc7100Identifying the Chassis, Routine Care, and Disassembly Preparation5.2.3 Personal Grounding Methods and E

Service Reference Guide, dc7100 361288-003 5–5Identifying the Chassis, Routine Care, and Disassembly Preparation Static awareness labels Wrist strap

5–6 361288-003 Service Reference Guide, dc7100Identifying the Chassis, Routine Care, and Disassembly Preparation5. Disconnect the keyboard before clea

Service Reference Guide, dc7100 361288-003 5–7Identifying the Chassis, Routine Care, and Disassembly Preparation5.4.3 Cleaning the KeyboardFollow all

5–8 361288-003 Service Reference Guide, dc7100Identifying the Chassis, Routine Care, and Disassembly Preparation5.5 Service ConsiderationsListed below

Service Reference Guide, dc7100 361288-003 5–9Identifying the Chassis, Routine Care, and Disassembly Preparation5.5.4 Cables and ConnectorsMost cables

viii 361288-003 Service Reference Guide, dc7100Contents

5–10 361288-003 Service Reference Guide, dc7100Identifying the Chassis, Routine Care, and Disassembly Preparation

Service Reference Guide, dc7100 361288-003 6–1Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6Removal and Replacement Procedu

6–2 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.2 Unlocking the Smart Cover L

Service Reference Guide, dc7100 361288-003 6–3Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.3 Hood Sensor 1. Prepare the c

6–4 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.4 External Security Devices6.4

Service Reference Guide, dc7100 361288-003 6–5Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.4.2 Padlock A padlock may be u

6–6 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.5 Computer Access Panel 1. Pr

Service Reference Guide, dc7100 361288-003 6–7Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.6 Front Bezel 1. Prepare the c

6–8 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.7 Front Drive Bezels 1. Prepa

Service Reference Guide, dc7100 361288-003 6–9Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.7.2 Diskette Drive Bezel or Be

Service Reference Guide, dc7100 361288-003 1–11Installing the Operating SystemÄCAUTION: Do not add optional hardware or third-party devices to your co

6–10 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.8 Cable Management Always fol

Service Reference Guide, dc7100 361288-003 6–11Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.9 Memory CAUTION: The memory

6–12 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis✎The computer automatically rec

Service Reference Guide, dc7100 361288-003 6–13Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.10 Expansion Cards 1. If you

6–14 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis7. If you are removing an expan

Service Reference Guide, dc7100 361288-003 6–15Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis8. If you are removing a PCI Ex

6–16 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis11. Slide the bracket on the en

Service Reference Guide, dc7100 361288-003 6–17Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.11 PCI Retainer Latch If you

6–18 361288-003 Service Reference Guide, dc7100Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6. Slide the pivoting bar to th

Service Reference Guide, dc7100 361288-003 6–19Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis6.12 Expansion Card Guide If y