Dell Dimension 9150 Service Manual

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Page 1 Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, and Dimension are trademarks of Dell Inc.; Intel, Pentium, and SpeedStep are registered trademarks of Intel Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation.
Page 2: Before You Begin
Computer" and "Before Working Inside Your Computer." You have read the safety information in your Dell™ Product Information Guide. A component can be replaced by performing the removal procedure in reverse order. Recommended Tools The procedures in this document may require the following tools:...
Page 3: Before Working Inside Your Computer
NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Some cables have a connector with locking tabs;...
Page 4: About Your Computer
About Your Computer: Dell Dimension 9150 Service Manual Back to Contents Page About Your Computer Dell™ Dimension™ 9150 Service Manual Front View of the Computer Back View of the Computer Front View of the Computer cover latch Use this latch to remove the cover. See "Removing the Computer...
Page 5: Back View Of The Computer
Use the microphone connector to attach a personal computer microphone for connector voice or musical input into a sound or telephony program. 14 Service Used to identify your computer when you access the Dell Support website or call technical support. Back View of the Computer file:///T|/htdocs/systems/dim9150/en/sm/about.htm[10/31/2012 7:58:47 AM]...
Page 6 About Your Computer: Dell Dimension 9150 Service Manual 1 power Insert the power cable. connector 2 sound Line-in connector — Use the blue line-in connector to attach a card record/playback device such as a cassette player, CD player, or VCR.
Page 7 About Your Computer: Dell Dimension 9150 Service Manual file:///T|/htdocs/systems/dim9150/en/sm/about.htm[10/31/2012 7:58:47 AM]...
Page 8: Removing The Computer Cover
Removing the Computer Cover: Dell Dimension 9150 Service Manual Back to Contents Page Removing the Computer Cover Dell™ Dimension™ 9150 Service Manual CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
Page 9 Removing the Computer Cover: Dell Dimension 9150 Service Manual 6. Grip the sides of the computer cover and pivot the cover up. 7. Lift the cover away and set it aside in a secure location. Back to Contents Page file:///T|/htdocs/systems/dim9150/en/sm/cvrop.htm[10/31/2012 7:58:49 AM]...
Page 10: Technical Overview
Technical Overview: Dell Dimension 9150 Service Manual Back to Contents Page Technical Overview Dell™ Dimension™ 9150 Service Manual Inside View of Your Computer System Board Components Power Supply DC Connector Pin Assignments Inside View of Your Computer CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
Page 11: Power Supply Dc Connector Pin Assignments
Technical Overview: Dell Dimension 9150 Service Manual Power Supply DC Connector Pin Assignments file:///T|/htdocs/systems/dim9150/en/sm/techov.htm[10/31/2012 7:58:55 AM]...
Page 12: Dc Power Connector P1
Technical Overview: Dell Dimension 9150 Service Manual DC Power Connector P1 Pin Number Signal Name Color Wire Gauge +3.3 VDC Orange 18-AWG +3.3 VDC Orange 18-AWG Black 18-AWG +5 VDC 18-AWG Black 18-AWG +5 VDC 18-AWG Black 18-AWG Gray 18-AWG...
Page 13: Dc Power Connector P2
Technical Overview: Dell Dimension 9150 Service Manual +12 VB DC White 18-AWG +12VB DC White 18-AWG +3.3 VDC Orange 18-AWG +3.3 VDC Orange 18-AWG -12 VDC Blue 18-AWG Black 18-AWG PS-ON Green 18-AWG Black 18-AWG Black 18-AWG Black 18-AWG 18-AWG...
Page 14: Dc Power Connector P7
Technical Overview: Dell Dimension 9150 Service Manual Black +12 VB DC White DC Power Connector P4 Pin Number Signal Name 18-AWG Wire Black Black +3.3 VDC Orange +5 VDC +12A VDC Yellow DC Power Connector P7 Pin Number Signal Name 18-AWG Wire...
Page 15 Technical Overview: Dell Dimension 9150 Service Manual Black Black +5V DC NOTE: The P10 connector is intended for use with PCI Express graphics cards that have power requirements exceeding 75 watts. DC Power Connector P11 Pin Number Signal Name 18-AWG Wire...
Page 16: Specifications
Specifications: Dell Dimension 9150 Service Manual Back to Contents Page Specifications Dell™ Dimension™ 9150 Service Manual Processor Processor type Intel® Pentium® 4 Socket-T with Hyper- Threading or Dual-Core support Cache 2 MB Memory Type dual-channel 533- and 667-MHz DDR2 Memory connectors...
Page 17 Specifications: Dell Dimension 9150 Service Manual x4 slot bidirectional speed — 2 GB/s x16 slot bidirectional speed — 8 GB/s connectors three connector size 120 pins connector data width (maximum) 32 bits PCI Express connector one x1 connector size 36 pins...
Page 18 Specifications: Dell Dimension 9150 Service Manual channel; two front-panel connectors for headphones/microphone System board connectors: Primary IDE drive 40-pin connector Serial ATA four 7-pin connectors FlexBay Drive USB 10-pin header for optional floppy drive or optional Media Card Reader (3.5-...
Page 19 Specifications: Dell Dimension 9150 Service Manual in the Product Information Guide 135 V and 180 to 265 V at 50/60 Hz for important voltage setting information.) Backup battery 3-V CR2032 lithium coin cell Physical Height 46.48 cm (18.3 inches) Width 18.54 cm (7.3 inches)
Page 20: Diagnostic Lights
Advanced Troubleshooting: Dell Dimension 9150 Service Manual Back to Contents Page Advanced Troubleshooting Dell™ Dimension™ 9150 Service Manual Power Lights Diagnostic Lights Beep Codes Power Lights CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
Page 21 Advanced Troubleshooting: Dell Dimension 9150 Service Manual To help you troubleshoot a problem, your computer has four lights labeled "1," "2," "3," and "4" on the front panel (see "Front View of the Computer"). When the computer starts normally, the lights flash. After the computer starts, all four lights display solid green.
Page 22: Beep Codes
1-3-1 through 2-4-4 Memory not being properly identified or used 4-3-1 Memory failure above address 0FFFFh If you hear one of the following beep codes, see "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance. Code Cause...
Page 23 Advanced Troubleshooting: Dell Dimension 9150 Service Manual 3-4-2 Screen retrace failure 3-4-3 Search for video ROM failure 4-2-1 No time tick 4-2-2 Shutdown failure 4-2-3 Gate A20 failure 4-2-4 Unexpected interrupt in protected mode 4-3-3 Timer-chip counter 2 failure 4-3-4 Time-of-day clock stopped...
Page 24 Advanced Troubleshooting: Dell Dimension 9150 Service Manual communicate with the floppy installed correctly in the computer and defined Failure drive or hard drive controller. correctly in the system setup program. Check the interface cable at both ends. Controller Failure An interrupt channel on the...
Page 25: Entering System Setup
Entering System Setup 1. Turn on (or restart) your computer. 2. When the blue DELL™ logo is displayed, you must watch for the F2 prompt to appear. 3. Once this F2 prompt appears, press <F2> immediately. NOTE: The F2 prompt indicates that the keyboard has initialized.
Page 26: System Setup Options
System Setup: Dell Dimension 9150 Service Manual Scroll up and down the list with the up- and down-arrow keys. As an option is highlighted, the Option Field displays more information about that option and the option's current and available settings. By pressing <Enter> or the left and right arrow keys, you can toggle between a primary topic (collapsed) and subtopics (expanded).
Page 27 System Setup: Dell Dimension 9150 Service Manual Determines the integrated SATA controller's operating mode: RAID Autodetect/ AHCI (the default setting) – RAID if the drives are signed, otherwise AHCI SATA Operation RAID Autodetect/ ATA – RAID if the drives are signed, otherwise ATA RAID On –...
Page 28: Boot Sequence
System Setup: Dell Dimension 9150 Service Manual Determines what happens when AC power is restored to the computer. On restarts the computer when power is restored after an outage. Last returns the computer to its last state before power was removed.
Page 29: Changing Boot Sequence For The Current Boot
System Setup: Dell Dimension 9150 Service Manual USB Flash Device — Insert the memory device into a USB port and restart the computer. When F12 = Boot Menu appears in the upper-right corner of the screen, press <F12>. The BIOS detects the device and adds the USB flash option to the boot menu.
Page 30: Clearing Cmos Settings
System Setup: Dell Dimension 9150 Service Manual 2. Locate the 3-pin password jumper (PSWD) on the system board, and remove the jumper plug from pins 1 and 2. 3. Place the jumper plug on pins 2 and 3. 4. Replace the computer cover.
Page 31 System Setup: Dell Dimension 9150 Service Manual a. Locate the 3-pin CMOS jumper (RTCRST) on the system board (see "Clearing Forgotten Passwords"). b. Remove the jumper plug from pins 1 and 2. c. Place the jumper plug on pins 2 and 3 and wait approximately five seconds.
Page 32: Removing And Installing Parts
You can increase your computer memory by installing memory modules on the system board. For information on the type of memory supported by your computer, see "Specifications." NOTICE: Before you install new memory modules, download the most recent BIOS for your computer from the Dell™ Support website at support.dell.com. Memory Overview Memory modules should be installed in pairs of matched memory size, speed, and technology.
Page 33: Addressing Memory With 4-Gb Configurations
If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules that you may have, even if you purchased the new modules from Dell. If possible, do not pair an original memory module with a new memory module. Otherwise, your computer may not start properly.
Page 34 Removing and Installing Parts: Dell Dimension 9150 Service Manual 5. Align the notch on the bottom of the module with the crossbar in the connector. NOTICE: To avoid damage to the memory module, press the module straight down into the connector while you apply equal force to each end of the module.
Page 35: Removing Memory
Removing and Installing Parts: Dell Dimension 9150 Service Manual If you insert the module correctly, the securing clips snap into the cutouts at each end of the module. 7. Replace the computer cover. NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.
Page 36 Removing and Installing PCI and PCI Express Cards NOTE: Dell offers an optional customer kit for Audigy II and IEEE 1394 PCI add-in-cards that includes a front-mounted IEEE 1394 connector. 1. If you are replacing a card, remove the current driver for the card from the operating system.
Page 37 Removing and Installing Parts: Dell Dimension 9150 Service Manual 4. Push the two release tabs on the card retention door from the inside to pivot the door open. Because the door is captive, it will remain in the open position.
Page 38 Removing and Installing Parts: Dell Dimension 9150 Service Manual 7. If you are replacing or removing a card: a. If necessary, disconnect any cables connected to the card. b. Pull the securing tab (if present), grasp the card by its top corners, and ease it out of its connector.
Page 39 Removing and Installing Parts: Dell Dimension 9150 Service Manual 12. Ensure that: The tops of all cards and filler brackets are flush with the alignment bar. The notch in the top of the card or filler bracket fits around the alignment guide.
Page 40: Network Adapter And Sound Card Settings
Removing and Installing Parts: Dell Dimension 9150 Service Manual 15. If a card retention mechanism is present on your computer, reseat it in its tabs, and rotate it down until it snaps into place. 16. If a "piano" bracket (for full-length PCI-E cards) is present on your computer, rotate it down into place.
Page 41: Removing The Drive Panel
Removing and Installing Parts: Dell Dimension 9150 Service Manual If you removed an add-in network connector: 1. Enter system setup, select Integrated NIC Controller, and then change the setting to On. 2. Connect the network cable to the integrated connector on the back panel of the computer.
Page 42: Removing The Drive-Panel Insert
Removing and Installing Parts: Dell Dimension 9150 Service Manual Removing the Drive-Panel Insert NOTICE: Drive-panel inserts may contain screws on the inside. You can attach the screws to new drives that do not have any screws. NOTICE: To avoid breaking the drive-panel insert tab, do not pull the insert more than approximately 1 cm (½ inch) away from the drive panel before sliding the tab out of the slot.
Page 43: Replacing The Drive Panel
Removing and Installing Parts: Dell Dimension 9150 Service Manual Replacing the Drive Panel 1. Follow the procedures in "Before You Begin." 2. Align the drive panel tabs with the side-door hinges. 3. Rotate the drive panel toward the computer until the sliding plate lever clicks into place and the drive panel snaps into place on the front panel.
Page 44: Drive Interface Connectors
Removing and Installing Parts: Dell Dimension 9150 Service Manual connector and the other will attach to the system board. Connect hard drives to data connectors labeled "SATA" and connect CD/DVD drives to connectors labeled "IDE". When you connect two IDE devices to a single IDE interface cable and configure them for the cable select setting, the device attached to the last connector on the interface cable is primary or the boot device (drive 0), and the device attached to the middle connector on the interface cable is the secondary device (drive 1).
Page 45: Removing A Hard Drive
Removing and Installing Parts: Dell Dimension 9150 Service Manual CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. NOTICE: To avoid damage to the drive, do not set it on a hard surface. Instead, set the drive on a surface, such as a foam pad, that will sufficiently cushion it.
Page 46: Installing A Hard Drive
Removing and Installing Parts: Dell Dimension 9150 Service Manual Installing a Hard Drive 1. Unpack the replacement hard drive, and prepare it for installation. 2. Check the documentation for the drive to verify that the drive is configured for your computer.
Page 47: Adding A Second Hard Drive
Removing and Installing Parts: Dell Dimension 9150 Service Manual See the documentation that came with the hard drive for instructions about installing any software required for the operation of the hard drive. 10. If the drive you just installed is the primary drive, insert bootable media into drive A.
Page 48: Floppy Drive
Removing and Installing Parts: Dell Dimension 9150 Service Manual 6. Gently slide the drive into place until you feel a click or feel the drive securely installed. 7. Connect the power and SATA data cables to the drive. 8. Check all connectors to be certain that they are properly cabled and firmly seated.
Page 49: Removing A Floppy Drive
Removing and Installing Parts: Dell Dimension 9150 Service Manual NOTE: If you are adding a floppy drive, see "Installing a Floppy Drive." Removing a Floppy Drive 1. Follow the procedures in "Before You Begin." 2. Remove the computer cover. 3. Disconnect the power and floppy drive cables from the back of the floppy drive.
Page 50: Installing A Floppy Drive
8. Enter system setup and select the appropriate Diskette Drive option. 9. Verify that your computer works correctly by running the Dell Diagnostics. Media Card Reader Removing a Media Card Reader CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
Page 51 Removing and Installing Parts: Dell Dimension 9150 Service Manual 4. Remove the drive panel. 5. Disconnect the USB cable on the back of the Media Card Reader from the front panel USB connector on the system board (see "System Board Components") and remove the cable from the clip on the shroud.
Page 52: Installing A Media Card Reader
Removing and Installing Parts: Dell Dimension 9150 Service Manual 8. Replace the computer cover. Installing a Media Card Reader CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.
Page 53: Removing A Cd/Dvd Drive
Removing and Installing Parts: Dell Dimension 9150 Service Manual 8. Insert the Media Card Reader into the bay and slide the drive in to seat it in the computer. 9. Route the USB cable through the cable routing clip. 10. Replace the computer cover.
Page 54: Installing A Cd/Dvd Drive
Removing and Installing Parts: Dell Dimension 9150 Service Manual 4. Slide the drive release mechanism to the right to release the shoulder screw and slide the drive out to remove it from the drive bay. Installing a CD/DVD Drive 1. If you are installing a new drive, unpack the drive and prepare it for installation.
Page 55 See the documentation that came with the drive for instructions on installing any software required for drive operation. 9. Enter system setup and select the appropriate Drive option. 10. Verify that your computer works correctly by running the Dell Diagnostics. file:///T|/htdocs/systems/dim9150/en/sm/parts.htm[10/31/2012 7:59:36 AM]...
Page 56: Removing The Power Supply
Removing and Installing Parts: Dell Dimension 9150 Service Manual Power Supply CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. Removing the Power Supply 1. Follow the procedures in "Before You...
Page 57: Replacing The Power Supply
Removing and Installing Parts: Dell Dimension 9150 Service Manual Replacing the Power Supply CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. 1. Slide the power supply into place.
Page 58 2 captive screw housing (2) NOTICE: If you are installing a processor upgrade kit from Dell, discard the original heat sink. If you are not installing a processor upgrade kit from Dell, reuse the original heat sink when you install your new processor.
Page 59: Installing The Processor
Removing and Installing Parts: Dell Dimension 9150 Service Manual 6. Place your finger upon the hook end of the release lever, then push down and out to release it from the tab that secures it 1 processor cover 2 processor...
Page 60 If you are not installing a processor upgrade kit from Dell, reuse the original heat-sink assembly when you replace the processor. If you installed a processor replacement kit from Dell, return the original heat-sink assembly and processor to Dell in the same package in which your replacement kit was sent.
Page 61: I/O-Panel Components
Removing and Installing Parts: Dell Dimension 9150 Service Manual NOTICE: Ensure that the heat sink is correctly seated and secure. 1 heat sink and fan shroud assembly 2 heat-sink assembly bracket 3 captive screw housing (2) 9. Replace the computer cover.
Page 62: Removing The I/O Panel
Removing and Installing Parts: Dell Dimension 9150 Service Manual 1 USB ports 2 diagnostic, hard-drive activity, and network lights 3 headphones connector 4 microphone connector Removing the I/O Panel 1. Follow the procedures in "Before You Begin." 2. Remove the computer cover.
Page 63 Removing and Installing Parts: Dell Dimension 9150 Service Manual b. Set the retention mechanism aside in a secure location. 4. Use a long Phillips screwdriver to loosen the two captive screws on each side of the heat-sink assembly. CAUTION: Despite having a plastic shield, the heat-sink assembly may be very hot during normal operation.
Page 64 Removing and Installing Parts: Dell Dimension 9150 Service Manual 1 heat sink and fan shroud assembly 2 captive screw housing (2) 3 drive panel 9. Lift the fan release lever, then slide the fan toward the back of the computer to release it from the bottom cover.
Page 65: Replacing The I/O Panel
Removing and Installing Parts: Dell Dimension 9150 Service Manual 16. Remove the I/O panel from the computer. Replacing the I/O Panel Follow the removal procedure in reverse order, ensuring that the tabs on the top panel, bottom panel, and front panel are secure.
Page 66: Removing The System Board
Removing and Installing Parts: Dell Dimension 9150 Service Manual 3. Remove the computer cover. 4. Locate the battery socket. NOTICE: If you pry the battery out of its socket with a blunt object, be careful not to touch the system board with the object.
Page 67: Replacing The System Board
Removing and Installing Parts: Dell Dimension 9150 Service Manual dissipate any static electricity that could harm internal components. 1. Shut down the computer through the Start menu. 2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.
Page 68 Removing and Installing Parts: Dell Dimension 9150 Service Manual 4. Reconnect all cables to their connectors at the back of the computer. 5. Replace the computer cover. NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug the cable into the computer.
Page 69: Replacing The Computer Cover
Replacing the Computer Cover: Dell Dimension 9150 Service Manual Back to Contents Page Replacing the Computer Cover Dell™ Dimension™ 9150 Service Manual CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

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