Compaq ProSignia 155 Technical Information

NoticeThe information in this guide is subject to change without notice.COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FORTECHNICAL OR EDITORIAL ERRO

Product Description 1-1chapter 1PRODUCT DESCRIPTION1.1 Computer Features and ModelsThe Prosignia Notebook Family of Personal Computers is a line o

Removal and Replacement Procedures 5-298. Disconnect the speaker1,2, touchpad3, indicator4, and switch5 cables from thesystem board. Use the tweeze

5-30 Removal and Replacement Procedures9. Lift the top cover from the base enclosure.Figure 5-28. Removing the Top Cover AssemblyTo replace the top

Removal and Replacement Procedures 5-315.9.1 DC-DC Converter and Audio Board ShieldTo remove the DC-DC converter/audio board shield, complete the f

5-32 Removal and Replacement Procedures5.9.2 DC-DC Converter1. Prepare the computer for disassembly (Section 5.3).2. Remove the keyboard (Section 5

Removal and Replacement Procedures 5-335.9.3 Audio BoardCAUTION: The Audio board is relatively fragile. Do not twist or bend duringdisassembly or

5-34 Removal and Replacement Procedures5.9.4 FanTo remove the fan, complete the following procedures:1. Prepare the computer for disassembly (Sect

Removal and Replacement Procedures 5-355.9.5 System BoardTo remove the system board, complete the following procedures:1. Prepare the computer for

5-36 Removal and Replacement Procedures12. Remove both hex screws from the rear of the base enclosure.13. Remove the screw from the system board.F

Removal and Replacement Procedures 5-3714. Lift the right end of the system board 1 from the lower base enclosure.15. Slide the system board to the

5-38 Removal and Replacement Procedures5.9.6 Integrated AC AdapterTo remove the AC power module, complete the following procedures:1. Prepare the

1-2 Product Description1.1.1 FeaturesThe computer models have the following standard features: 233-MHz, 266-MHz, or 300-MHz Mobile Pentium II pro

Specifications 6-1chapter 6SPECIFICATIONSThis chapter provides physical and performance specifications for the following: Computer Displays H

6-2 Specifications6.1 ComputerTable 6-1Computer SpecificationsU.S. MetricDimensions Height Depth Width2.3 in9.6 in12.5 in5.84 cm24.5 cm31.75 cmW

Specifications 6-36.2 DisplayTable 6-212.1-Inch CTFT, SVGA DisplayU.S. MetricDimensions Height Width7.24 in9.7 in18.4 cm24.6 cmNumber of Colors 6

6-4 Specifications6.3 Hard DriveTable 6-4Hard Drive SpecificationsStandard Model Configurations 3.2-GB 4.0-GB 6.0-GBLogical Capacity per Drive (MB)

Specifications 6-56.4 Diskette DriveTable 6-5Diskette Drive SpecificationsDiskette size 3.5-inch High density 1.44-MB/1.2-MB Low density 720 KBLi

6-6 Specifications6.5 LS-120 DriveTable 6-6LS-120 Drive Specifications120 MB 1.7 MB DMF 1.44 MB 1.2 MB 1.2 MB 720 KB 640 KBFormattedCapacity (Bytes

Specifications 6-76.6 ZIP DriveTable 6-7ZIP Drive Specifications100-MBTotal Formatted Capacity (bytes) 100,663,296Sector Size (bytes) 512Total Numb

6-8 Specifications6.7 CD-ROM DriveTable 6-824X Max CD-ROM SpecificationsApplicable Disc CD-ROM mode 1, mode 2CD-Digital AudioCD-XA mode 2 (Form 1,

Specifications 6-96.8 DVD-ROM DriveTable 6-9DVD-ROM SpecificationsDisc Formats Supported DVD-5, DVD-9, DVD-10, DVD-18CD-ROM mode 1, mode 2CD-Digita

6-10 Specifications6.9 Battery PacksTable 6-10Lithium Ion Battery PackU.S. MetricDimensions Height Length Width0.82 in5.8 in3.2 in2.08 cm14.73 cm8.

Product Description 1-31.1.3 Software FulfillmentReplacement software may be ordered directly from Compaq Computer Corporation.Both the model and t

Specifications 6-116.10 Convenience Base IITable 6-11Convenience Base II SpecificationsU.S. MetricDimensions Height 4.9 in 12.46 cm Height w/Moni

6-12 Specifications6.11 External Power SuppliesThe automobile/aircraft adapter allows the computer to be used in an automobile or inan aircraft wit

Specifications 6-13The external battery charger charges the Li-Ion battery outside the computer. It mayalso be used to charge spare batteries.Table

6-14 Specifications6.12 System InterruptsTable 6-14Hardware InterruptsHardware IRQ System FunctionIRQ0 Timer interruptIRQ1 KeyboardIRQ2 Interrupt c

Specifications 6-156.14 System I/O AddressTable 6-16System I/O (Port) AddressesI/O Address (Hex) System Function (Shipping Configuration)000 - 00F

6-16 SpecificationsTable 6-16 System I/O (Port) Addresses ContinuedI/O Address (Hex) System Function (Shipping Configuration)170 - 177 Hard Driv

Specifications 6-176.15 System Memory MapTable 6-17Memory MapSize Memory Address System Function640 K 00000000 - 0009FFFF Base Memory128 K 000A0000

Connectors A-1appendix ACONNECTORSThis appendix contains the pin assignments for all external connectors.Table A-1External KeyboardConnector Pin Si

A-2 ConnectorsTable A-4USBConnector Pin Signal1234Ground- Data+ Data+5 VDCTable A-5External Monitor161151015Pin Signal Pin Signal1 Red Analog 9 B

Connectors A-3Table A-6Parallel1142513Pin Signal Pin SignalStrobe 14 Auto Linefeed 2 Data Bit 0 15 Error 3 Data Bit 1 16 Initialize Printer 4 Da

1-4 Product Description1.2.3 External Battery ChargerThe external battery charger has the following features: Two battery charge slots Accepts

A-4 ConnectorsTable A-8Expansion ConnectorPin Signal Pin Signal 1 GND 41 SPK_R 2 GND 42 LINE_R 3 NC 43 GND 4 GND 44 DOCK_LG 5 GND 45 GND 6 NC

Connectors A-5Table A-8 Expansion Connector ContinuedPin Signal Pin Signal 81 PSLIN 130 DCDA 82 GND 131 RTSA 83 GND 132 RIA 84 SPK_IN 133 POW

A-6 ConnectorsTable A-9Speaker ConnectorPin Signal1 Shield2 Left channel audio3 Right channel audio

Power Cord Set Requirements B-1appendix BPOWER CORD SET REQUIREMENTSB.1 3-Conductor Power Cord SetThe wide range input feature of your computer per

B-2 Power Cord Set RequirementsB.1.2 Country-Specific RequirementsTable B-13-Conductor Power Cord Set Requirements — By CountryCountry Accredited A

Convenience Base C-1appendix CCONVENIENCE BASEC.1 Models and FeaturesThe convenience bases provide a permanent desktop solution for the computer by

C-2 Convenience BaseTable C-1Convenience BasesModel Serial ConfigurationConvenience Base Pass Through model BNH3 (Armada 1500 base)Convenience Base

Convenience Base C-3C.2 Convenience Base FeaturesThe Convenience Base pass through models and the convenience base with Ethernetmodels include the

C-4 Convenience BaseC.3 Convenience Base II ComponentsThe convenience base components are illustrated and described in this section.C.3.1 Front and

Convenience Base C-5C.3.2 Rear ComponentsThe rear components are shown in the following figure and identified in this section:1 RJ-45 jack (Etherne

Product Description 1-51.3.1 Left Side ComponentsThe left side external components are shown in Figure 1-2 and are described in Table 1-1.Figure 1-

C-6 Convenience BaseTable C-3Convenience Base II Cables and Power CordsDescription Spares Part Number* AC Power cord (US/Canada) 255135-001* AC Pow

Index I-1IndexAAC power cordC-conductor, B1spare part number, C-6AC powerremoval, 5-38AC Power Modulespare part number, 3-11audiosolving problems, 2-1

I-2 IndexEelectrostatic dischargepreventing damage, 4-3shielding materials, 4-6typical voltage levels, 4-5error codesaudio test, 2-13CD-ROM test, 2-

Index I-3passwordsclearing, 2-3PC Cardremoval, 5-6solving problems, 2-29PCMCIAremoval, 5-6plastic parts, handling, 4-1plastics kitspare part number, 3

I-4 IndexVvideo display. See displayvideo test error codes, 2-12Wwarning messages, 2-5Windows NTinfrared connection, 2-25

1-6 Product Description1.3.2 Front ComponentsThe front external components are shown in Figure 1-3 and are described in Table 1-2.Figure 1-3. Front

Product Description 1-71.3.3 Top ComponentsThe top external components are shown in Figure 1-4 and are described in Table 1-3.Figure 1-4. Top Compo

1-8 Product Description1.3.4 Right Side ComponentsThe right side external components are shown in Figure 1-5 and are described inTable 1-4.Figure 1

Product Description 1-91.3.5 Rear ComponentsThe rear components are shown Figure 1-6 and are described in Table 1-5.Figure 1-6. Rear ComponentsTabl

1-10 Product Description1.3.6 Bottom ComponentsThe bottom external components are shown in Figure 1-7 and are described inTable 1-6.Figure 1-7. Bot

Contents iiiCONTENTSprefaceUSING THIS GUIDESymbols...

Product Description 1-111.3.7 Status Panel LightsThe status panel lights are shown in Figure 1-8 and described inTable 1-7.Figure 1-8. Status Panel

1-12 Product Description1.4 Design OverviewThis section presents a design overview of the computer. The overview is limited tofield replaceable pa

Product Description 1-13PCMCIA/CardBus and Video Adapter ControllerThe PCMCIA/CardBus adapter is based on the Texas Instrument PCI1220 PC toCardBus

Troubleshooting 2-1chapter 2TROUBLESHOOTINGFollow these basic steps when beginning the troubleshooting process:1. Complete the preliminary steps l

2-2 Troubleshooting2.1 Preliminary StepsIMPORTANT: Use AC power when running POST, Computer Setup, or ComputerCheckup. A low battery condition co

Troubleshooting 2-32.2 Clearing PasswordsThe power-on password prevents use of the computer until the password is entered.The setup password preve

2-4 Troubleshooting2.4 POST Error MessagesIf the system is not functioning well enough to run POST, or if the display is notfunctioning well enoug

Troubleshooting 2-5If you receive one of the error messages listed in Table 2-2, follow the recommendedaction.Table 2-2Warning MessagesMessage Desc

2-6 TroubleshootingFatal errors emit a beep and may display a FATAL message. Fatal errors indicate severe problems, such as a hardware failure. Fat

Troubleshooting 2-72.5 Compaq UtilitiesCompaq Utilities contain several functions that Determine if various computer devices are recognized by t

iv Contentschapter 2TROUBLESHOOTING2.1 Preliminary Steps...

2-8 TroubleshootingCategories by connection: System Features—security, power, boot management System Devices—keyboard, mouse, parallel and seri

Troubleshooting 2-92.5.2 Computer Checkup (TEST)Computer Checkup (TEST) determines whether the various computer components anddevices are recognize

2-10 TroubleshootingTable 2-5Processor Test Error CodesError Code Description Recommended Action101-xx CPU test failed. Replace the processor board

Troubleshooting 2-11Note: Fn + F11 clears the ESCD configuration information. If the Fn + F11 sequence ispressed very early after powering the mach

2-12 TroubleshootingTable 2-11Hard Drive Test Error CodesError Code Description Recommended Action1701-xx Hard drive format test failed.1. Run Comp

Troubleshooting 2-13Table 2-12 Video Test Error Codes ContinuedError Code Description Recommended Action2406-xx Video 80 × 25 mode 8 × 8 characte

2-14 TroubleshootingTable 2-15CD-ROM Test Error CodesError Code Description Recommended Action3301-xx CD-ROM drive read test failed.1. Replace the

Troubleshooting 2-152.5.4 Running Compaq DiagnosticsCompaq Diagnostics provides computer component information when the operatingsystem is working.

2-16 Troubleshooting2.5.6 Factory Default SettingsInitializationEnable POST Memory Test Checked (enabled)Keyboard num Lock Unchecked (Off)1 Hard dr

Troubleshooting 2-172.6 Troubleshooting Without DiagnosticsThis section provides information about how to identify and correct some commonhardware

Contents vchapter 5REMOVAL AND REPLACEMENT PROCEDURES5.1 Serial Number ...

2-18 TroubleshootingSolving Audio ProblemsTable 2-16Solving Audio ProblemsProblem Probable Cause Recommended Action(s)Computer does not beep aftert

Troubleshooting 2-19Table 2-16 Solving Audio Problems ContinuedProblem Probable Cause Recommended Action(s)Internal speaker does notproduce sound w

2-20 TroubleshootingSolving Battery ProblemsThe following table lists some common battery problems and recommended actions totake when they occur.

Troubleshooting 2-21Table 2-17 Solving Battery and Battery Gauge Problems ContinuedProblem Probable Cause Recommended Action(s)Computer turned of

2-22 TroubleshootingSolving Diskette and Diskette Drive ProblemsTable 2-19Solving Diskette and Diskette Drive ProblemsProblem Probable Cause Recomm

Troubleshooting 2-23Solving Hard Drive ProblemsCAUTION: To prevent loss of information, always maintain an up-to-date backupof the hard drive.Tabl

2-24 TroubleshootingSolving Hardware Installation ProblemsTable 2-21Solving Hardware Installation ProblemsProblem Probable Cause Recommended Action

Troubleshooting 2-25Solving Infrared Connection ProblemsNOTE: The computer is shipped with the infrared port disabled. The port must beenabled eac

2-26 TroubleshootingSolving Modem ProblemsTable 2-23Solving Modem ProblemsProblem Probable Cause Recommended Action(s)Modem loses connection. The c

Troubleshooting 2-27Table 2-23 Solving Modem Problems ContinuedProblem Probable Cause Recommended Action(s)No dial tone Phone service is notconne

vi ContentsAppendix ACONNECTORS...

2-28 TroubleshootingTable 2-23 Solving Modem Problems ContinuedProblem Probable Cause Recommended Action(s)Phone line noise causes adisconnection

Troubleshooting 2-29Solving PC Card ProblemsTable 2-24Solving PC Card ProblemsProblem Probable Cause Recommended Action(s)Computer does not beep wh

2-30 TroubleshootingSolving Power ProblemsTable 2-25Solving Power ProblemsProblem Probable Cause Recommended Action(s)Computer will not turn on. Co

Troubleshooting 2-31Solving Screen ProblemsIMPORTANT: Conduct all tests on a working monitor. If the recommended actions donot solve the problem,

2-32 TroubleshootingTable 2-26 Solving Screen Problems ContinuedProblem Probable Cause Recommended Action(s)Display on an external monitoris dist

Illustrated Parts Catalog 3-1chapter 3ILLUSTRATED PARTS CATALOGThis chapter provides illustrated parts and references for spare parts for the Compa

3-2 Illustrated Parts Catalog3.1 System UnitFigure 3-1. System Unit

Illustrated Parts Catalog 3-3Table 3-1System UnitItem Description Spares Part Number1Keyboard (US/Canada) 382759-0012Top cover assembly with speak

3-4 Illustrated Parts Catalog3.2 Mass Storage DevicesFigure 3-2. Mass Storage Devices

Illustrated Parts Catalog 3-5Table 3-2Mass Storage DevicesItem Description Spares Part Number124x CD-ROM drive 382736-001* DVD-ROM drive module 382

Using This Guide viiprefaceUSING THIS GUIDEThis Maintenance and Service Guide is a troubleshooting guide that can be used forreference when serv

3-6 Illustrated Parts Catalog3.3 Cables and Power CordsFigure 3-3. Cables and Power CordsTable 3-3Cables and Power CordsItem Description Spares Pa

Illustrated Parts Catalog 3-73.4 Standard and Optional BoardsFigure 3-4. Standard and Optional Boards

3-8 Illustrated Parts CatalogTable 3-4Standard and Optional BoardsItem Description Spares Part Number1Memory board (SO DIMM), 16-MB, 60 ns, nonpari

Illustrated Parts Catalog 3-93.5 OptionsFigure 3-5. OptionsTable 3-5OptionsItem Description Spares Part Number1 Automobile/aircraft adapter 313919

3-10 Illustrated Parts Catalog3.6 Miscellaneous PartsFigure 3-6. Miscellaneous Parts

Illustrated Parts Catalog 3-11Table 3-6Miscellaneous PartsItem Description Spares Part Number12345Miscellaneous Plastics kit :Left clutch/display w

Removal and Replacement Preliminaries 4-1chapter 4REMOVAL AND REPLACEMENTPRELIMINARIESThis chapter provides essential information for proper and sa

4-2 Removal and Replacement Preliminaries4.2.2 Cables and ConnectorsCables must be handled with extreme care to avoid damage. Apply only the tensio

Removal and Replacement Preliminaries 4-34.4 Preventing Electrostatic DamageMany electronic components are sensitive to electrostatic discharge (E

4-4 Removal and Replacement Preliminaries4.4.2 Workstation PrecautionsUse the following grounding precautions at workstations: Cover the workstat

viii Using This Guide Technician Notes!WARNING: Only authorized technicians trained by Compaq should attempt torepair this equipment. All trouble

Removal and Replacement Preliminaries 4-5Other grounding equipment recommended for use in preventing electrostatic damageinclude: Antistatic tape

4-6 Removal and Replacement PreliminariesTable 4-2 lists the shielding protection provided by antistatic bags and floor mats.Table 4-2Static-Shield

Removal and Replacement Procedures 5-1chapter 5REMOVAL AND REPLACEMENTPROCEDURESThis chapter provides the removal and replacement procedures for th

5-2 Removal and Replacement Procedures5.2 Disassembly SequenceRefer to the disassembly steps before disassembling the computer. Disassemble onlythe

Removal and Replacement Procedures 5-35.3 Preparing the Computer for DisassemblyBefore beginning the removal and replacement procedures, complete t

5-4 Removal and Replacement Procedures5.3.2 Battery Pack RemovalRemove the battery pack before beginning any internal maintenance on the computer.!

Removal and Replacement Procedures 5-55.3.3 MultiBay DevicesCAUTION: The device in the MultiBay must be removed prior to performingmaintenance on

5-6 Removal and Replacement Procedures5.3.4 PCMCIARemove any installed PC (PCMCIA) Cards before performing any service on thecomputer. To remove a

Removal and Replacement Procedures 5-75.4 Computer Tilt FeetThere are two tilt feet on the bottom of the computer. To remove a foot, follow thestep

5-8 Removal and Replacement Procedures5.5 Internal ModemThe internal modem is standard on some models and is attainable as an upgrade optionon othe

Using This Guide ixThis system is classified as a CLASS 1 LASER PRODUCT. This label is located onthe outside of the system being serviced. A sim

Removal and Replacement Procedures 5-95. Remove the modem board retaining screw.6. Carefully pull the modem board release tab and lift the modem fr

5-10 Removal and Replacement Procedures5.5.1 IR (Infrared) ModuleTo remove the Infrared (IR) transceiver module:1. Prepare the computer for disass

Removal and Replacement Procedures 5-115.6 Hard DriveThe hard drive is held in place with a security screw and a retaining bracket. Toremove the ha

5-12 Removal and Replacement Procedures4. Slide the release latch toward the back of the computer. The cover lid springs open.5. Slide the hard d

Removal and Replacement Procedures 5-137. Disengage the hard drive from the connector by sliding the hard drive toward thefront of the computer.8.

5-14 Removal and Replacement Procedures5.7 KeyboardTo release the keyboard, complete the following procedures.1. Prepare the computer for disassemb

Removal and Replacement Procedures 5-156. Lift the keyboard.7. Place the keyboard in an upright position. Insert the two tabs on the right side and

5-16 Removal and Replacement Procedures5.7.1 Keyboard Removal1. Release the latch on the keyboard ZIF connector.2. Slide the strain relief on the f

Removal and Replacement Procedures 5-175.7.2 Memory BoardIf a memory expansion board option has been previously installed in the computer, itmust b

5-18 Removal and Replacement Procedures5. Rotate the free edge 1 of the memory module upward.6. At a 45 degree angle, pull the memory module 2 fr

x Using This Guide Serial NumberThe serial number is located on the back of the computer directly below the parallelconnector.Locating Additional

Removal and Replacement Procedures 5-19To install a memory board, complete the following steps:1. Insert the memory board 1 into the memory slot.2

5-20 Removal and Replacement Procedures5.7.3 Lithium Real Time Clock Battery!WARNING: There is a risk of explosion and injury if the battery is in

Removal and Replacement Procedures 5-21CAUTION: To prevent damaging the RTC battery cable, do not pull on the batterycable.6. Using tweezers, dis

5-22 Removal and Replacement Procedures5.7.4 Optical Disc BayA CD-ROM or DVD-ROM drive can be installed in the optical disc bay. To remove aCD-ROM

Removal and Replacement Procedures 5-235.8 Display AssemblyTo remove the display assembly, complete the following steps:5.8.1 Hinge Covers1. Prepa

5-24 Removal and Replacement Procedures4. Open the display fully.5. Lift the hinge covers from the computer. Note that the right and left covers

Removal and Replacement Procedures 5-255.8.2 Display AssemblyCAUTION: Do not reuse the hinge screws removed from the previously installeddisplay.

5-26 Removal and Replacement Procedures5. Close the display.6. Remove the remaining screw from the left display clutch and the two screws fromthe

Removal and Replacement Procedures 5-275.9 Top Cover AssemblyTo remove the top cover assembly, complete the following procedures:1. Prepare the com

5-28 Removal and Replacement Procedures7. Remove the three (3) top cover screws from the back of the system unit.Figure 5-26. Removing the Top Cove