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Dell™ Dimension™ 1100/B110 Systems Service Manual

Before You Begin

Removing the Computer Cover

Technical Overview

Technical Specifications

Advanced Troubleshooting

System Setup

Removing and Installing Parts

Replacing the Computer Cover

Notes, Notices, and Cautions

NOTE: 

A NOTE indicates important information that helps you make better use of your computer.

NOTICE: 

A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the

problem.

CAUTION: 

A CAUTION indicates a potential for property damage, personal injury, or death.

Abbreviations and Acronyms

For a complete list of abbreviations and acronyms, see the Dell Dimension Help file.

If you purchased a Dell™ n Series computer, any references in this document to Microsoft®

 

Windows® operating systems are

not applicable.

Information in this document is subject to change without notice.

© 2006 Dell Inc. All rights reserved.

Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, InspironDell PrecisionDimensionOptiPlexLatitude, PowerEdge, PowerVault, PowerApp, and

Dell OpenManage are trademarks of Dell Inc.; Intel, Pentium, and Celeron are registered trademarks of Intel Corporation; Microsoft and Windows

are registered trademarks of Microsoft Corporation.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products.

Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.

Model DMC     August 2006     Rev. A02

Summary of Contents for Dimension B110

Page 1: ...eries computer any references in this document to Microsoft Windows operating systems are not applicable Information in this document is subject to change without notice 2006 Dell Inc All rights reserved Reproduction in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell the DELL logo Inspiron Dell Precision Dimension OptiPlex La...

Page 2: ...oval procedure in reverse order Recommended Tools The procedures in this document may require the following tools Small flat blade screwdriver Phillips screwdriver Turning Off Your Computer NOTICE To avoid losing data save and close any open files and exit any open programs before you turn off your computer 1 Shut down the operating system a Save and close any open files exit any open programs cli...

Page 3: ...le As you pull connectors apart keep them evenly aligned to avoid bending any connector pins Also before you connect a cable ensure that both connectors are correctly oriented and aligned NOTICE To avoid damaging the computer perform the following steps before you begin working inside the computer 1 Turn off your computer NOTICE To disconnect a network cable first unplug the cable from your comput...

Page 4: ...inst electrical shock always unplug your computer from the electrical outlet before opening the cover 1 Follow the procedures in Before You Begin 2 Lay your computer on its side with the computer cover facing up 3 If your computer cover has a cover latch slide and hold the cover latch 4 Grip the indents on the computer cover and slide the computer cover toward the back of the computer 5 Place the ...

Page 5: ...upply DC Connector Pin Assignments Inside View of Your Computer CAUTION Before you begin any of the procedures in this section see the safety instructions located in the Product Information Guide CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the computer cover System Board Components ...

Page 6: ...Power Supply DC Connector Pin Assignments ...

Page 7: ...trical standards i e UL 60950 IEC 60950 EN60950 PAR 2 3 2 Maximum continuous combined load on 5 VDC and 3 3 VDC outputs will not exceed 150 watts 3 Peak 12 VDC output power up to 17 0 amps will not exceed 15 seconds in duration Under this condition tolerance on the 12v output is allowed to be 10 4 5 VDC minimum load will be 0 2A when there is a minimum load of 0 3A on the 12 VDC and 0 42A on the 3...

Page 8: ...8 AWG Pin Number Signal name Wire Color 1 3 3 VDC Orange 2 3 3 VDC Orange 3 COM Black 4 5 VDC Red 5 COM Black 6 5 VDC Red 7 COM Black 8 POK Gray 9 5 VFP Purple 10 12 VDC Yellow 11 3 3 VDC Orange 12 12 VDC Blue 13 COM Black 14 PS_ON Green 15 COM Black 16 COM Black 17 COM Black 18 N C N C 19 5 VDC Red 20 5 VDC Red DC Power Connector P2 ...

Page 9: ...llow DC Power Connectors P8 and P9 Pin Number Signal Name 18 AWG Wire Color 1 12 VDC Yellow 2 COM Black 3 COM Black 4 5 VDC Red DC Power Connector P4 Pin Number Signal Name 18 AWG Wire Color 1 No connect 2 COM Black 3 COM Black 4 3 3 VDC Orange 5 5 VDC Red 6 12 VDC Yellow DC Power Connector P6 ...

Page 10: ...nal Name 18 AWG Wire Color 1 12 VDC Yellow 2 COM Black 3 COM Black 4 5 VDC Red DC Power Connector P7 Pin Number Signal Name 22 AWG Wire Color 1 5 VDC Red 2 COM Black 3 COM Black 4 12 VDC Yellow Back to Contents Page ...

Page 11: ...DDR333 and DDR400 memory runs at 266MHz when configured with Celeron 400MHz FSB processors NOTE DDR333 memory runs at 320MHz when configured with Pentium 4 800MHz FSB processors Memory connectors two Memory capacities 128 256 512 or 1 GB non ECC Minimum memory 128 MB NOTE Between 1 and 64 MB of system memory may be allocated to support graphics depending on system memory size and other factors Max...

Page 12: ...SB memory devices CD drive CD RW drive DVD drive DVD RW drive and DVD and CD RW combo drive Internally accessible One bay for 1 inch high IDE hard drives Connectors External connectors Serial 9 pin connector 16550C compatible Parallel 25 hole connector bidirectional Video 15 hole connector Network adapter RJ45 connector PS 2 keyboard and mouse 6 pin mini DIN USB two front panel and four back panel...

Page 13: ...is calculated based upon the power supply wattage rating Voltage see the safety instructions located in the Product Information Guide for important voltage setting information manual selection power supplies 90 to 135 V at 50 60 Hz 180 to 265 V at 50 60 Hz Backup battery 3 V CR2032 lithium coin cell Physical Height x width x depth 41 9 x 18 1 x 36 8 cm 16 5 x 7 13 x 14 50 inches Weight 11 34 kg 25...

Page 14: ...age 32 G with a velocity change of 596 9 cm sec 235 inches sec Altitude Operating 15 2 to 3048 m 50 to 10 000 ft NOTE At 30 C 95 F the maximum operating altitude is 914 m 3000 ft Storage 15 2 to 10 670 m 50 to 35 000 ft Back to Contents Page ...

Page 15: ...rip ensure that the power strip is plugged into an electrical outlet and that the power strip is turned on Also bypass power protection devices power strips and power extension cables to verify that the computer turns on properly Ensure that the electrical outlet is working by testing it with another device such as a lamp Ensure that the main power cable and front panel cable are securely connecte...

Page 16: ... error If available install properly working memory of the same type into your computer If the problem persists see Contacting Dell in your Owner s Manual for instructions on obtaining technical assistance A possible graphics card failure has occurred If the computer has a graphics card remove the card reinstall it and then restart the computer If the problem still exists install a graphics card t...

Page 17: ...Dell in your Owner s Manual for instructions on obtaining technical assistance The computer is in a normal operating condition after POST None Beep Codes Your computer might emit a series of beeps during start up if the monitor cannot display errors or problems This series of beeps called a beep code identifies a problem One possible beep code code 1 3 1 consists of one beep a burst of three beeps...

Page 18: ...sage Possible Cause Corrective Action 8042 Gate A20 error The keyboard controller failed its test If you receive this message after you make changes in the system setup program enter the system setup program and restore the original value s Address Line Short An error in the address decoding circuitry in the memory has occurred Reseat the memory modules C Drive Error C Drive Failure The hard drive...

Page 19: ...setup program Check the interface cable at both ends INTR1 Error INTR2 Error An interrupt channel on the system board failed to POST The keyboard or system board may need to be replaced Invalid Boot Diskette The operating system cannot be located on drive A or drive C Enter the system setup program and confirm that drive A or drive C is properly identified Keyboard Error The BIOS has detected a st...

Page 20: ...r this program Certain changes can make your computer work incorrectly Entering System Setup 1 Turn on or restart your computer 2 When the blue DELL logo appears press F2 immediately If you wait too long and the operating system logo appears continue to wait until you see the Microsoft Windows desktop Then shut down your computer and try again System Setup Screens The system setup screen displays ...

Page 21: ... to the primary master drive on PRI IDE Can be turned Off or set to Auto to detect the drive and if present lists the capacity for the drive Secondary Master Drive Identifies the drive attached to the SEC IDE connectors on the system board and lists the capacity for a hard drive lists n a for optical devices such as CD DVD drives Secondary Slave Drive Identifies and defines the slave drive to the ...

Page 22: ...s for setting the processor speed as Normal or Compatible NOTICE Changing the CPU Speed is not recommended this may shorten the life of the processor and void the warranty Bus Speed Lists the speed that the processor runs in megaherz MHz Processor ID Lists the processor Clock Speed and L2 Cache Size Integrated Devices Sound Enables or disables the onboard audio controller Network Interface Control...

Page 23: ...lays the current status of the system s password security feature and allows a new system password to be assigned and verified PXE BIS Default Policy Used to set the NIC On w PCE feature policy to Deny Accept or Reset See Network Interface Controller Boot Sequence This feature allows you to change the boot sequence for devices Option Settings Diskette Drive The computer attempts to boot from the f...

Page 24: ...mple if you are booting to a USB memory key highlight USB Flash Device and press Enter NOTE To boot to a USB device the device must be bootable To make sure that your device is bootable check the device documentation Changing Boot Sequence for Future Boots 1 Enter system setup 2 Use the arrow keys to highlight the Boot Sequence menu option and press Enter to access the menu NOTE Write down your cu...

Page 25: ...mputer 6 Turn off the monitor and disconnect it from the electrical outlet 7 Disconnect the computer power cable from the electrical outlet and press the power button to ground the system board 8 Open the computer cover 9 Locate the 3 pin password jumper on the system board and attach the jumper to pins 1 and 2 to re enable the password feature 10 Replace the computer cover NOTICE To connect a net...

Page 26: ...memory installed and you want to add another 128 MB of memory you should install it in the appropriate connector If the DDR memory modules are not installed in matched pairs the computer will continue to operate but with a slight reduction in performance NOTE Always install DDR memory modules in the order indicated on the system board NOTE Your computer has two memory slots labeled DIMM3 and DIMM4...

Page 27: ...atically turn off when you shut down your computer turn them off now NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 3 Disconnect any telephone or telecommunication lines from the computer 4 Disconnect your computer and all attached devices from their electrical outlets and then press the power button to ground the system...

Page 28: ...r Press firmly on the ends of the module until it snaps into place If you insert the module correctly the securing clips snap into the cutouts at each end of the module 11 Replace the computer cover NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 12 Connect your computer and devices to electrical outlets and then turn them on 13 ...

Page 29: ... the computer chassis Your computer provides three slots for PCI cards PCI Cards If you are installing or replacing a card follow the procedures in the next section If you are removing but not replacing a card see Removing a PCI Card If you are replacing a card remove the current driver for the card from the operating system Installing a PCI Card 1 Follow the procedures in Before Your Begin 2 Unsc...

Page 30: ...ew you removed in step 2 5 Connect any cables that should be attached to the card For information about the card s cable connections see the documentation for the card NOTICE Do not route card cables over or behind the cards Cables routed over the cards can cause damage to the equipment 6 If you installed a sound card a Enter system setup select Audio Controller and then change the setting to Off ...

Page 31: ...rackets over empty card slot openings is necessary to maintain FCC certification of the computer The brackets also keep dust and dirt out of your computer NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 6 Close the computer cover reconnect the computer and devices to electrical outlets and then turn them on 7 Remove the card s dr...

Page 32: ...ter has a release lever push the release lever to release the top tab b Reach inside the computer and push the top and bottom tab towards you to release them c Rotate the front panel to separate it from the side hinges Removing the Front Panel Insert 1 Press in the two insert tabs ...

Page 33: ...2 Push out the front panel insert Reattaching the Front Panel 1 Reattach the front panel to the side hinges 2 Rotate the front panel until it snaps onto the front of the computer ...

Page 34: ...s for the cable select setting Connecting Drive Cables When you install a drive you connect two cables a DC power cable and a data cable to the back of the drive and to the system board Some drives may also have an audio connector one end of the audio cable will attach to the drive connector and the other will attach to the system board Drive Interface Connectors Most interface connectors are keye...

Page 35: ...a you want to keep back up your files before you begin this procedure 2 Follow the procedures in Before You Begin 3 Remove the computer cover see Removing the Computer Cover Removing a Hard Drive 1 Disconnect the power and data cables from the drive and from the system board 2 Remove the hard drive bracket from the computer a Remove the two screws securing the bracket to the computer b Rotate the ...

Page 36: ...stalling a Hard Drive 1 Unpack the replacement hard drive and prepare it for installation 2 Check the documentation for the drive to verify that it is configured for your computer 3 Remove the hard drive bracket see page 50 4 Attach the hard drive to the hard drive bracket a Place the small bracket tabs into the drive screw holes on one side of the drive ...

Page 37: ... 7 Connect the data cable to the drive and to the system board see System Board Components 8 Close the computer cover see Replacing the Computer Cover NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 9 Connect your computer and devices to electrical outlets and turn them on See the documentation that came with the drive for instru...

Page 38: ... against electrical shock always unplug your computer from the electrical outlet before opening the cover 1 Follow the procedures in Before You Begin 2 Release and remove the front panel see page 46 NOTE If you are adding a floppy drive see Installing a Floppy Drive Removing a Floppy Drive 1 Disconnect the power and data cables from the back of the floppy drive and from the system board see System...

Page 39: ...l four drive securing screws two on each side 4 Position the top of the floppy drive bracket so that it is completely flush with the bottom of the upper drive bay and then slide the floppy drive bracket forward into position NOTE The top of the floppy drive bracket has two slots that fit into two clips on the bottom of the upper drive bay When the floppy drive bracket is properly mounted it remain...

Page 40: ...r system setup see Entering System Setup and update the appropriate Diskette Drive option 12 Verify that your computer works correctly by running the Dell Diagnostics CD DVD Drive CAUTION Before you begin any of the procedures in this section follow the safety instructions located in the Product Information Guide CAUTION To guard against electrical shock always unplug your computer from the electr...

Page 41: ...nfigured for your computer If you are installing an IDE drive configure the drive for the cable select setting 2 If you are replacing a drive remove the existing drive see page 57 3 Gently slide the drive into place in the drive bay 4 After the drive is in place apply pressure to ensure that the drive is fully seated 5 Use the securing screw that came with the drive to attach the drive to the comp...

Page 42: ...n them on See the documentation that came with the drive for instructions on installing any software required for drive operation 12 Enter system setup see Entering System Setup and select the appropriate Drive option 13 Verify that your computer works correctly by running Dell Diagnostics Adding a Second CD or DVD Drive 1 Ensure that the jumper setting on the new drive is set for cable select see...

Page 43: ...te the data cable from the CD or DVD drive in the upper drive bay and connect its middle data connector to the new drive 8 Reattach the front panel see page 48 9 Replace the computer cover see Replacing the Computer Cover NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 10 Connect your computer and devices to electrical outlets an...

Page 44: ...n Guide 1 Follow the procedures in Before You Begin 2 Disconnect the cooling fan power cable from the fan connector on the system board 3 Disconnect the power cable from the processor power connector on the system board 4 Lift up the airflow shroud CAUTION The heat sink can get very hot during normal operation Be sure that the heat sink has had sufficient time to cool before you touch it 5 Remove ...

Page 45: ...alling 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 and blower when you install your new processor 6 Push down and out on the socket release lever 7 Open the processor cover 8 To remove the processor from the socket lift the processor vertically in one motion Leave the release lever extende...

Page 46: ...essor lightly in the socket and ensure that the processor is level in the socket When the processor is positioned correctly press it with minimal pressure to seat it 5 When the processor is fully seated in the socket close the processor cover 6 Pivot the socket release lever back toward the socket and snap it into place to secure the processor NOTICE If you are not installing a processor upgrade k...

Page 47: ...er and devices to electrical outlets and turn them on Fan Assembly Removing the Fan Assembly CAUTION Before you begin any of the procedures in this section follow the safety instructions located in the Product Information Guide CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the cover 1 Follow the procedures in Before You Begin 2 Dis...

Page 48: ...er and slide the fan toward the release lever 7 Remove the fan assembly from the computer Replacing the Fan Assembly 1 Align the fan assembly tabs with the holes in the back of the computer 2 Slide the fan assembly away from the fan release lever until it clicks in place 3 Reconnect the DC power cables to the drives and system board ...

Page 49: ...st electrical shock always unplug your computer from the electrical outlet before removing the cover 1 Follow the procedures in Before You Begin 2 Remove the floppy drive 3 Remove any cards that are installed 4 Disconnect all cables from the system board 5 Lift up the heat sink shroud CAUTION The microprocessor heat sink can get hot To avoid burns ensure that the heat sink has had sufficient time ...

Page 50: ...ufficient time to cool before you touch it b Remove the microprocessor package from the existing system board and transfer it to the replacement system board 2 Configure the settings of the replacement system board Set the jumpers on the replacement system board so that they are identical to the ones on the existing board 3 Place the system board inside the computer frame place the heat sink base ...

Page 51: ... the Product Information Guide CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the cover 1 Follow the procedures in Before You Begin 2 Remove the fan assembly 3 Disconnect the AC power cable from the AC power connector on the back of the power supply 4 Unplug the DC power cables from the drives and system board 5 Remove the four scre...

Page 52: ...tion The battery can last several years If you have to repeatedly reset time and date information after turning on the computer replace the battery CAUTION A new battery can explode if it is incorrectly installed Replace the battery only with the same or equivalent type recommended by the manufacturer Discard used batteries according to the manufacturer s instructions To replace the battery 1 Reco...

Page 53: ...e and then plug it into the computer 7 Connect your computer and devices to electrical outlets and turn them on 8 Enter system setup and restore the settings you recorded in step 1 9 Properly dispose of the old battery see the Battery Disposal section of your Product Information Guide Back to Contents Page ...

Page 54: ... way Gently pull the power cables toward you so that they do not get caught underneath the drives 2 Ensure that no tools or extra parts are left inside the computer 3 Place the cover on the computer 4 Slide the cover towards the front of the computer until it fits completely into place NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the compu...

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