Compaq Evo Notebook N400c Series Spécifications

bMaintenance and Service GuideCompaq Evo N200 SeriesDocument Part Number: 233117-001September 2001This guide is a troubleshooting reference used for m

Product DescriptionMaintenance and Service Guide 1–51.3 Power ManagementThe computer comes with a collection of power management features that extends

SpecificationsMaintenance and Service Guide 6–9Table 6-8System I/O AddressesI/O Address (hex) System Function (shipping configuration)000 - 00F DMA co

6–10 Maintenance and Service GuideSpecificationsI/O Address (hex) System Function (shipping configuration)0A2 - 0BF Unused0C0 - 0DF DMA controller no.

SpecificationsMaintenance and Service Guide 6–11I/O Address (hex) System Function (shipping configuration)2F0 - 2F7 Unused2F8 - 2FF Infrared port300 -

6–12 Maintenance and Service GuideSpecificationsvtTable 6-9System Memory MapSize Memory Address System Function640 KB 00000000 - 0009FFFF Base memory1

Maintenance and Service Guide A–1AConnector Pin AssignmentsTable A-1Stereo Speaker/HeadphonePin Signal Pin Signal1 Audio out 2 Ground

A–2 Maintenance and Service GuideConnector Pin AssignmentsTable A-2MicrophonePin Signal Pin Signal1 Audio in 2 GroundTable A-3Universal Serial BusPin

Connector Pin AssignmentsMaintenance and Service Guide A–3Table A-4RJ-45 Network InterfacePin Signal Pin Signal1 Transmit + 5 Unused2 Transmit - 6 Rec

A–4 Maintenance and Service GuideConnector Pin AssignmentsTable A-6External MonitorPin Signal Pin Signal1 Red analog 9 +5 VDC2 Green analog 10 Ground3

Maintenance and Service Guide B–1BPower Cord Set Requirements3-Conductor Power Cord SetThe computer’s wide range input feature permits it to operate f

B–2 Maintenance and Service GuidePower Cord Set RequirementsCountry-Specific Requirements3-Conductor Power Cord Set Requirements—By CountryCountry Acc

1–6 Maintenance and Service GuideProduct Description1.4 Computer External ComponentsThe external components on the display and right side of the compu

Power Cord Set RequirementsMaintenance and Service Guide B–3Notes1. The flexible cord must be <HAR> Type HO5VV-F, 3-conductor, 1.0mm2 conductor

Maintenance and Service Guide C–1CScrew ListingThis appendix provides specification information for the screws used in the computer. All screws listed

C–2 Maintenance and Service GuideTable C-1Phillips PO M2 × 10 ScrewColor Qty Length ThreadHead WidthBlack 1 10.0 mm M2 4.5 mmWhere used:One screw secu

Maintenance and Service Guide C–3Table C-2Torx T8 M2.5 × 5 ScrewColor Qty Length ThreadHead WidthBlack 1 5.0 mm M2.5 5.5 mmWhere used:One screw securi

C–4 Maintenance and Service GuideTable C-3Phillips P0 M2 × 4 ScrewColor Qty Length ThreadHead WidthBlack 4 4.0 mm M2.0 4.5 mmWhere used:1 Two screws s

Maintenance and Service Guide C–5Table C-4Torx T8 M2 × 4 ScrewColor Qty Length ThreadHead WidthBlack 7 4.0 mm M2.0 4.5 mmWhere used:1 Three screws sec

C–6 Maintenance and Service GuideTable C-4Torx T8 M2 × 4 Screw (Continued)Color Qty Length ThreadHead WidthBlack 7 4.0 mm M2.0 4.5 mmWhere used:Two sc

Maintenance and Service Guide C–7Table C-5Torx T8 M2 × 15 ScrewColor Qty Length ThreadHead WidthSilver 2 15.0 mm M2 4.5 mmWhere used:Two screws securi

C–8 Maintenance and Service GuideTable C-6Torx T8 M2 × 5 ScrewColor Qty Length ThreadHead WidthBlack 2 5.0 mm M2 4.5 mmWhere used:One screw securing t

Maintenance and Service Guide C–9sTable C-7Torx T8 M2 × 8 ScrewColor Qty Length ThreadHead WidthPewter 8 8.0 mm M2 4.5 mmWhere used:Six screws securin

Product DescriptionMaintenance and Service Guide 1–7Table 1-1Front and Right Side ComponentsItem Component Function1 Stereo speaker/headphone jackConn

C–10 Maintenance and Service GuideTable C-7Torx T8 M2 × 8 Screw (Continued)Color Qty Length ThreadHead WidthPewter 8 8.0 mm M2 4.5 mmWhere used:Two sc

Maintenance and Service Guide C–11Table C-85.0 mm × 9.5 ScrewlockColor Qty Length ThreadHead WidthSilver 2 9.5 mm n/a 5.0 mmWhere used:Two screwlocks

C–12 Maintenance and Service GuideTable C-99/64” Hex Wrench Bushing GuideColor Qty Length ThreadHead WidthSilver 2 17.5 mm n/a 7.0 mmWhere used:Two bu

Maintenance and Service Guide C–13Table C-10Phillips P0 M1.5 × 6 ScrewColor Qty Length ThreadHead WidthSilver 2 6.0 mm 1.5 mm 4.0 mmWhere used:Two scr

Maintenance and Service Guide Index–1IndexAAC adapterspare part number 3–8specifications 6–7audio cableillustrated 3–7removal 5–31audio troubleshootin

Index–2 Maintenance and Service GuideIndexconnector pin assignmentsexternal monitor connector A–4microphone jack A–2modem jack A–3monitor connector A–

IndexMaintenance and Service Guide Index–3Hhard driveadapter (used with MEU), spare part number 3–9illustrated 3–4light 1–13location 1–7, 1–15OS loadi

Index–4 Maintenance and Service GuideIndexmodemjack, pin assignments A–3spare part number 3–9troubleshooting 2–22modem adapter, spare part number 3–9m

IndexMaintenance and Service Guide Index–5Rreal time clock (RTC) batteryillustrated 3–4, 3–6removal 5–22spare part number 3–5, 5–22rear panel componen

Index–6 Maintenance and Service GuideIndextransporting precautions 4–4troubleshootingaudio 2–17docking station 2–10flowcharts 2–2keyboard 2–20modem 2–

1–8 Maintenance and Service GuideProduct DescriptionThe computer rear panel and left side components are shown in Figure 1-3 and described in Table 1-

Product DescriptionMaintenance and Service Guide 1–9Table 1-2Rear Panel and Left Side ComponentsItem Component Function1 RJ-45 jack (network models on

1–10 Maintenance and Service GuideProduct DescriptionThe keyboard components are shown in Figure 1-4 and described in Table 1-3.Figure 1-4. Keyboard C

Product DescriptionMaintenance and Service Guide 1–11Table 1-3Keyboard ComponentsItem Component Function1 F1 through F12 function keys Perform preset

1–12 Maintenance and Service GuideProduct DescriptionThe external components on the top of the computer are shown in Figure 1-5 and described in Table

Product DescriptionMaintenance and Service Guide 1–134 Caps lock light On: Caps lock is on.5 Scroll lock light On: Scroll lock is on.6 Battery light O

1–14 Maintenance and Service GuideProduct DescriptionThe external components on the bottom of the computer are shown in Figure 1-6 and described in Ta

© 2001 Compaq Computer CorporationCompaq and the Compaq logo Registered in U. S. Patent and Trademark Office. Evo is a trademark of Compaq Information

Product DescriptionMaintenance and Service Guide 1–15Table 1-5Bottom ComponentsItem Component Function1 External battery release latches (2)Release th

1–16 Maintenance and Service GuideProduct Description1.4 Design OverviewThis section presents a design overview of key parts and features of the compu

Maintenance and Service Guide 2–12TroubleshootingÅWARNING: Only authorized technicians trained by Compaq should repair this equipment. All troubleshoo

2–2 Maintenance and Service GuideTroubleshootingTroubleshooting FlowchartsTable 2-1Troubleshooting Flowcharts OverviewSection Description2.1 Initial t

TroubleshootingMaintenance and Service Guide 2–3Initial TroubleshootingConnectingto networkor modem?Go toSection 2.20,No Networkor Modem Connection.Be

2–4 Maintenance and Service GuideTroubleshooting2.2 No Power, Part 1No Power(Power LED is off)1. Reseat power cables in docking stationand at the AC o

TroubleshootingMaintenance and Service Guide 2–52.3 No Power, Part 2Continued from Section 2.2,No Power, Part 1.Visually check fordebris in battery so

2–6 Maintenance and Service GuideTroubleshooting2.4 No Power, Part 3Continued from Section 2.3,No Power, Part 2.Reseat AC adapterin computer andat pow

TroubleshootingMaintenance and Service Guide 2–72.5 No Power, Part 4YNContinued from Section 2.4,No Power, Part 3.Reseat loosecomponents andboards and

2–8 Maintenance and Service GuideTroubleshooting2.6 No Video, Part 1ANStand-aloneor DockingStation?No VideoReplace the following one at a time. Test a

Maintenance and Service Guide iiiContents1 Product Description1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2

TroubleshootingMaintenance and Service Guide 2–92.7 No Video, Part 2YNContinued fromSection 2.6,No Video, Part 1.DoneVideo OK?Adjust externalmonitor d

2–10 Maintenance and Service GuideTroubleshooting2.8 Nonfunctioning Docking Station(if applicable)YNReseat power cord in dockingstation andpower outle

TroubleshootingMaintenance and Service Guide 2–112.9 No Operating System (OS) LoadingNo OS loading from hard drive,go toSection 2.10.Reseat power cord

2–12 Maintenance and Service GuideTroubleshooting2.10 No OS Loading from Hard Drive, Part 1Go toSection 2.17,NonfunctioningDevice.YDoneNOS notloading

TroubleshootingMaintenance and Service Guide 2–132.11 No OS Loading from Hard Drive, Part 2Continued fromSection 2.10,No OS Loading from Hard Drive, P

2–14 Maintenance and Service GuideTroubleshooting2.12 No OS Loading from Hard Drive, Part 3YSystemfiles on harddrive?Continued from Section 2.11,No OS

TroubleshootingMaintenance and Service Guide 2–152.13 No OS Loading from Diskette DriveDoneYNReseatdiskette drive.OS not loadingfromdiskette drive.Don

2–16 Maintenance and Service GuideTroubleshooting2.14 No OS Loading from CD- orDVD-ROM DriveYDoneNBootabledisk indrive?Diskin drive?No OSloading fromC

TroubleshootingMaintenance and Service Guide 2–172.15 No Audio, Part 1No audioNNotebook in docking station(if applicable)?Internalaudio?Audio? DoneUnd

2–18 Maintenance and Service GuideTroubleshooting2.16 No Audio, Part 2YNContinued from Section 2.15,No Audio, Part 1Reloadaudio drivers.Audiodriver in

iv Maintenance and Service Guide2.17 Nonfunctioning Device . . . . . . . . . . . . . . . . . . 2–192.18 Nonfunctioning Keyboard . . . . . . . . . . .

TroubleshootingMaintenance and Service Guide 2–192.17 Nonfunctioning DeviceDoneAnyphysicaldevice?YNUnplug the nonfunctioning device from the notebook,

2–20 Maintenance and Service GuideTroubleshooting2.18 Nonfunctioning KeyboardYNOK?Keyboardnot operating properly.Externaldeviceworks?Replacesystemboar

TroubleshootingMaintenance and Service Guide 2–212.19 Nonfunctioning Pointing DeviceYNOK?Pointing devicenot operating properly.Externaldeviceworks?Rep

2–22 Maintenance and Service GuideTroubleshooting2.20 Network or Modem Connection ProblemsYDisconnect all power fromthe notebookand open.No networkor

Maintenance and Service Guide 3–13Illustrated Parts CatalogThis chapter provides an illustrated parts breakdown and a reference for spare part numbers

3–2 Maintenance and Service GuideIllustrated Parts Catalog3.2 Computer System Major ComponentsFigure 3-2. Computer System Major Components

Illustrated Parts CatalogMaintenance and Service Guide 3–3Table 3-1Computer System Major ComponentsItem DescriptionSpare Part Number1 10.4-inch XGA TF

3–4 Maintenance and Service GuideIllustrated Parts CatalogComputer System Major Components (continued)

Illustrated Parts CatalogMaintenance and Service Guide 3–5Table 3-1Computer System Major Components (Continued)Item DescriptionSpare Part Number6 Top

3–6 Maintenance and Service GuideIllustrated Parts Catalog3.3 Miscellaneous Plastics Kit ComponentsFigure 3-3. Miscellaneous Plastics Kit ComponentsTa

Maintenance and Service Guide v5.12 RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–225.13 System Board . . . . . . . . . .

Illustrated Parts CatalogMaintenance and Service Guide 3–73.4 Cable Kit ComponentsFigure 3-4. Cable Kit ComponentsTable 3-3Cable Kit ComponentsSpare P

3–8 Maintenance and Service GuideIllustrated Parts Catalog3.5 Miscellaneous Spare PartsTable 3-4Miscellaneous Spare Parts (not illustrated)Description

Illustrated Parts CatalogMaintenance and Service Guide 3–9Logo Kit 251637-001Mobile Expansion Unit 248871-001The following options are for use only wi

Maintenance and Service Guide 4–14Removal and ReplacementPreliminariesThis chapter provides essential information for proper and safe removal and repl

4–2 Maintenance and Service GuideRemoval and Replacement Preliminaries4.2 Service ConsiderationsThe following sections include some of the considerati

Removal and Replacement PreliminariesMaintenance and Service Guide 4–34.3 Preventing Damage to Removable DrivesRemovable drives are fragile components

4–4 Maintenance and Service GuideRemoval and Replacement Preliminaries4.4 Preventing Electrostatic DamageMany electronic components are sensitive to e

Removal and Replacement PreliminariesMaintenance and Service Guide 4–5 Place reusable electrostatic-sensitive parts from assemblies in protective pack

4–6 Maintenance and Service GuideRemoval and Replacement Preliminaries4.7 Grounding Equipment and MethodsGrounding equipment must include either a wri

Removal and Replacement PreliminariesMaintenance and Service Guide 4–7 Nonconductive plastic bags, tubes, or boxes Metal tote boxes Electrostatic volt

Maintenance and Service Guide 1–11Product DescriptionThe Compaq Evo N200 Series of Personal Computers offers advanced modularity, a 700-MHz Intel Pent

Maintenance and Service Guide 5–15Removal and ReplacementProceduresThis chapter provides removal and replacement procedures.There are 31 different Tor

5–2 Maintenance and Service GuideRemoval and Replacement Procedures5.1 Serial NumberReport the computer serial number to Compaq when requesting inform

Removal and Replacement ProceduresMaintenance and Service Guide 5–35.2 Disassembly Sequence ChartUse the chart below to determine the section number t

5–4 Maintenance and Service GuideRemoval and Replacement Procedures5.3 Preparing the Computer for DisassemblyPerform the following steps before disass

Removal and Replacement ProceduresMaintenance and Service Guide 5–55.4 Computer FeetThe computer feet are adhesive-backed rubber pads. The computer fe

5–6 Maintenance and Service GuideRemoval and Replacement Procedures5.5 Modem/NIC1. Prepare the computer for disassembly (Section 5.3).2. Turn the comp

Removal and Replacement ProceduresMaintenance and Service Guide 5–73. Remove the two black PM2 × 4 screws 1 that secure the mini PCI compartment cover

5–8 Maintenance and Service GuideRemoval and Replacement Procedures6. Disconnect the modem/NIC cable from the modem/NIC board 1 (Figure 5-4).7. Slide

Removal and Replacement ProceduresMaintenance and Service Guide 5–95.6 LED Cover✎The LED cover is included in the Miscellaneous Plastics Kit (spare pa

5–10 Maintenance and Service GuideRemoval and Replacement Procedures5.7 Microphone✎The microphone is included in the Cable Kit (spare part number 2516

1–2 Maintenance and Service GuideProduct Description1.1 FeaturesThe computer has the following features: Intel Pentium III 700-MHz processor, with 256

Removal and Replacement ProceduresMaintenance and Service Guide 5–115.8 Keyboard1. Prepare the computer for disassembly (Section 5.3).2. Remove the LE

5–12 Maintenance and Service GuideRemoval and Replacement Procedures3. Remove the three black TM2 × 4 screws 1 that secure the keyboard to the top cov

Removal and Replacement ProceduresMaintenance and Service Guide 5–132. Remove the LED cover (Section 5.6).3. Remove the microphone (Section 5.7).4. Re

5–14 Maintenance and Service GuideRemoval and Replacement Procedures✎The LED board cable is included in the Cable Kit (spare part number 251639-001).T

Removal and Replacement ProceduresMaintenance and Service Guide 5–155.10 Display✎When the display screws are removed, the assembly is unsupported. Mak

5–16 Maintenance and Service GuideRemoval and Replacement Procedures2. Slide the left and right hinge covers away from the computer1 (Figure 5-10).✎Th

Removal and Replacement ProceduresMaintenance and Service Guide 5–17✎To ensure proper alignment of the display during replacement, loosely install the

5–18 Maintenance and Service GuideRemoval and Replacement Procedures5.11 Top Cover1. Prepare the computer for disassembly (Section 5.3) and remove the

Removal and Replacement ProceduresMaintenance and Service Guide 5–193. Remove the six pewter TM2 × 8 screws (Figure 5-12).Figure 5-12. Removing the To

5–20 Maintenance and Service GuideRemoval and Replacement Procedures5. Remove the following screws:❏two pewter TM2 × 8 screws 1 that secure the top co

Product DescriptionMaintenance and Service Guide 1–3 External AC adapter with power cord Support for a 6-cell Lithium ion (Li ion) primary battery pac

Removal and Replacement ProceduresMaintenance and Service Guide 5–217. Lift up the back edge of the top cover 1 until the TouchPad cable 2 prevents it

5–22 Maintenance and Service GuideRemoval and Replacement Procedures5.12 RTC Battery1. Prepare the computer for disassembly (Section 5.3) and remove t

Removal and Replacement ProceduresMaintenance and Service Guide 5–232. Disconnect the RTC battery cable from the system board 1 (Figure 5-15).3. Remov

5–24 Maintenance and Service GuideRemoval and Replacement Procedures5.13 System Board1. Prepare the computer for disassembly (Section 5.3) and remove

Removal and Replacement ProceduresMaintenance and Service Guide 5–252. Disconnect the left 1 and right 2 external battery terminal cables and the spea

5–26 Maintenance and Service GuideRemoval and Replacement Procedures3. Lift up the right side of the system board 1 until it rests at a 45-degree angl

Removal and Replacement ProceduresMaintenance and Service Guide 5–275.14 Charger Board1. Prepare the computer for disassembly (Section 5.3) and remove

5–28 Maintenance and Service GuideRemoval and Replacement Procedures3. Remove the two silver PM1x6 screws 1 that secure the charger board to the syste

Removal and Replacement ProceduresMaintenance and Service Guide 5–295.15 Modem/NIC Cable✎The modem/NIC cable is included in the Cable Kit (spare part

5–30 Maintenance and Service GuideRemoval and Replacement Procedures3. Disconnect the modem/NIC cable from the system board1 (Figure 5-19).4. Remove t

1–4 Maintenance and Service GuideProduct Description1.2 Clearing a PasswordIf the notebook you are servicing has an unknown password, follow these ste

Removal and Replacement ProceduresMaintenance and Service Guide 5–315.16 Audio Cable✎The audio cable is included in the Cable Kit (spare part number 2

5–32 Maintenance and Service GuideRemoval and Replacement Procedures3. Disconnect both connectors on the audio cable 1 from the system board (Figure 5

Maintenance and Service Guide 6–16SpecificationsThis chapter provides physical and performance specifications.Table 6-1ComputerDimensionsHeightWidthDe

6–2 Maintenance and Service GuideSpecifications✎Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates

SpecificationsMaintenance and Service Guide 6–3Table 6-210.4-inch XGA, TFT DisplayDimensionsHeightWidthDiagonal6.4 in8.2 in10.1 in162 mm209 mm264 mmNu

6–4 Maintenance and Service GuideSpecificationsTable 6-3Hard Drives20.0 GB 10.0 GBUser capacity per drive120.0 GB 10.0 GBDrive height (with drive fram

SpecificationsMaintenance and Service Guide 6–520.0 GB 10.0 GBPhysical configurationCylinders3HeadsSectors per track3Bytes per sector22,7844293–560512

6–6 Maintenance and Service GuideSpecificationsTable 6-4Battery PacksDimensionsPrimary Lithium ion (Li ion)HeightWidthDepthWeightCellsExternal Li ionH

SpecificationsMaintenance and Service Guide 6–7Table 6-5AC AdapterWeight 0.39 lb .18 kgPower supply (input)Operating voltageOperating currentOperating

6–8 Maintenance and Service GuideSpecificationsTable 6-7System InterruptsHardware IRQ System FunctionIRQ0 System timerIRQ1 Keyboard controllerIRQ2 Cas