Compaq Evo n400c Maintenance and Service Guide Compaq Evo N400c Series
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- Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 1
Service Guide Compaq Evo Notebook N400c Series Document Part Number: 268629-002 August 2003 This guide is a troubleshooting reference used for maintaining and servicing the notebook. It provides comprehensive information on identifying notebook features, components, and spare parts, troubleshooting - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 2
notice. The warranties for Compaq products are set forth in the express limited warranty statements accompanying such products. Nothing herein should be construed as constituting an additional warranty. Maintenance and Service Guide Second Edition (August 2003) Document Part Number: 268629-002 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 3
1.1 Models 1-2 1.2 Features 1-12 1.3 Clearing a Password 1-13 1.4 Power Management 1-14 1.5 Computer External Components 1-15 1.6 Design Overview 1-27 2 Troubleshooting 2.1 Computer Setup and Diagnostics Utilities 2-1 Selecting Computer Setup or Compaq Diagnostics 2-1 Selecting from the File - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 4
5.5 Palm Rest 5-6 5.6 Memory Expansion Board 5-13 5.7 Hard Drive 5-17 5.8 Mini PCI Communications Board 5-19 5.9 Keyboard 5-21 5.10 Real Time Clock (RTC) Battery 5-25 5.11 Switch Cover 5-26 5.12 Display 5-28 5.13 Modem Cable 5-31 5.14 System Board 5-36 iv Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 5
Contents 6 Specifications A Connector Pin Assignments B Power Cord Set Requirements 3-Conductor Power Cord Set B-1 General Requirements B-1 Country-Specific Requirements B-2 C Screw Listing Index Maintenance and Service Guide v - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 6
-leading Accelerated Graphics Port (AGP) implementation, and extensive multimedia support. The notebook provides desktop functionality and connectivity through the optional Mobile Expansion Unit (MEU). Figure 1-1. Compaq Evo Notebook N410c and Evo Notebook N400c Maintenance and Service Guide 1-1 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 7
Hard drive size 30 = 30.0 MB 20 = 20.0 MB 6 Optical drive designator 0 = None 7 Integrated communication M = Modem 0 = None C = Modem/NIC combination card 8 RAM 25 = 256 MB 12 = 128 MB 0 = None 9 Operating system E = Windows XP Home O = Windows XP Pro o = Windows XP/ Windows 2000 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 8
Description Table 1-2 Compaq Evo Notebook N410c Models The following Evo Notebook N410c models use config. code KVB2 and features: ■ TouchPad pointing device ■ 4-cell, 2.0-Ah lithium ion (Li ion) battery pack ■ 3-year warranty with on-site service ■ 16 MB of integrated video memory N410c P 120 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 9
Compaq Evo Notebook N410c Models (Continued) The following Evo Notebook N410c models use config. code KVBZ and features: ■ TouchPad pointing device ■ 4-cell, 2.0-Ah Li ion battery pack ■ 3-year warranty ■ 16 MB of integrated video memory -643 470037-550 470037-600 1-4 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 10
Product Description Table 1-2 Compaq Evo Notebook N410c Models (Continued) N410c P 120 X2 30 0 C 25 2 Asia Pacific Australia Belgium Brazil Czech Republic Denmark Europe -740 470037-742 470037-745 470037-760 470037-743 470037-744 470037-662 470037-690 Maintenance and Service Guide 1-5 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 11
Product Description Table 1-2 Compaq Evo Notebook N410c Models (Continued) N410c P 100 X2 20 0 C 25 O Asia Pacific Australia Belgium Brazil Czech Republic Denmark Europe -125 470040-126 470040-127 470040-128 470040-138 470040-129 470040-130 470039-997 1-6 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 12
Product Description Table 1-2 Compaq Evo Notebook N410c Models (Continued) N410c P 100 X2 20 0 C 25 2 Asia Pacific Australia Belgium Brazil Czech Republic Denmark Europe -165 470040-166 470040-167 470040-168 470040-179 470040-169 470040-170 470040-148 Maintenance and Service Guide 1-7 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 13
Product Description Table 1-2 Compaq Evo Notebook N410c Models (Continued) The following Evo Notebook N410c models use config. code KVBZ and features: ■ TouchPad pointing device ■ 4-cell, 2.0-Ah Li ion battery pack ■ 1-year warranty ■ 16 MB of integrated video memory N410c P 120 X2 30 0 C 25 O - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 14
Compaq Evo Notebook N400c Models The following Evo Notebook N400c models use config. code JMWZ and features: ■ TouchPad pointing device ■ 4-cell, 2.0-Ah Li ion battery pack ■ 1-year warranty with on-site service ■ 16 MB of integrated video memory N400c 470026-531 Maintenance and Service Guide 1-9 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 15
Product Description Table 1-3 Compaq Evo Notebook N400c Models (Continued) N400c P 700 X2 20 0 C 12 6 Asia Pacific Australia Belgium Brazil Czech Republic Denmark France French Canada Germany and 470013-770 470013-790 470013-772 470013-774 470013-471 470013-689 1-10 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 16
Product Description Table 1-3 Compaq Evo Notebook N400c Models (Continued) N400c P 700 X2 N400c P 700 X2 20 0 0 12 6 European International 470013-678 Asia Pacific 470013-679 N400c P 700 X2 20 0 0 12 8 European International 470013-676 Asia Pacific 470013-677 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 17
bit PC Cards ■ External AC adapter with power cord ■ Supports a 4-cell Li ion primary battery pack in the battery bay and an external 4-cell Li ion or 9-cell high-capacity battery pack ■ 40-, 30-, 20-, or 10-GB high-capacity hard drive ■ Connectors for Mobile Expansion Unit (MEU), MultiPort wireless - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 18
) Battery"). 3. Wait approximately five minutes. 4. Replace the RTC battery and reassemble the notebook. 5. Connect AC power to the notebook. Do not reinsert any battery packs at this time. 6. Turn on the notebook. All passwords and all CMOS settings are clear. Maintenance and Service Guide 1-13 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 19
extends battery operating time and conserves power. The notebook supports the following power management features: ■ Standby ■ Hibernation ■ Setting customized by the user ■ Hotkeys for setting level of performance ■ Smart battery that provides an accurate battery power gauge ■ Battery calibration - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 20
(2) 4 MultiPort Function Allows airflow to cool internal components. Releases the display to open the notebook. Adjust or mute the system volume. Connects wireless communication devices, such as a Bluetooth or 802.11b MultiPort Module, and other options. Maintenance and Service Guide 1-15 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 21
Figure 1-3. Right Side Components Table 1-5 Right Side Components Item 1 Component Power switch 2 Stereo speaker/ headphone jack Function Turns the notebook on or off or exits Standby. Connects stereo speakers, headphones, headset, or television audio. 1-16 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 22
models only) Function Connects a single sound channel microphone. Ejects a PC Card from the PC Card slot. Supports 32-bit (CardBus) and 16-bit PC Cards. Connects USB devices. Links another IrDA-compliant device for wireless communication. Connects the network cable. ✎ A network cable is included - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 23
Product Description The external components on the left side of the notebook are shown in Figure 1-4 and described in Table 1-6. Figure 1-4. Left Side Components 1-18 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 24
■ Optional automobile power adapter/charger ■ Optional aircraft power adapter Connects USB devices. Allow airflow to cool internal components. ✎ The forward vent is present only on Evo Notebook 400c models. Attaches an optional security cable to the notebook. Maintenance and Service Guide 1-19 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 25
1-7 Keyboard Components Item 1 Component Power/Standby button 2 Easy Access buttons (4) Function ■ Turns on the notebook if it is off. ■ Initiates and exits Standby. ■ When pressed with the Fn key, initiates Hibernation. Provide quick access to the Internet. 1-20 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 26
sound to the notebook; can be used whether the notebook is open or closed. Converts keys to numeric keypad. Move the cursor around the screen. Provides TouchPad and TouchPad buttons or the pointing stick buttons. Also protects the internal hard drive, internal memory expansion slot, and modem - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 27
are shown in Figure 1-6 and described in Table 1-8. Figure 1-6. Keyboard Components (Pointing Stick Model-Evo Notebook N400c models only) Table 1-8 Keyboard Components Item 1 2 Component F1 through F12 function keys Hard drive light 3 MultiBay light Function Perform preset functions. On: The - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 28
Product Description Table 1-8 Keyboard Components (Continued) Item 4 Component Num lock light 5 Caps lock light 6 Scroll lock light 7 Battery light 8 Power light 9 Pointing stick 10 Right . Used with hotkeys to perform preset hotkey functions. Maintenance and Service Guide 1-23 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 29
Product Description The external components on the bottom of the notebook are shown in Figure 1-7 and described in Table 1-9. Figure 1-7. Bottom Components 1-24 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 30
that contains one memory expansion slot for a memory expansion board. Contains the Product Key, which may need to be entered before using some Windows operating systems. Produces sound. Identifies the notebook; needed when you call Compaq customer support. Maintenance and Service Guide 1-25 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 31
Product Description The notebook rear panel components are shown in Figure 1-8 and described in Table 1-10. Figure 1-8. Rear Panel a parallel device. Connects a serial device. Connects a television, VCR, camcorder, overhead projector, or video capture card. 1-26 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 32
"Removal and Replacement Procedures," for disassembly steps. The system board provides the following device connections: ■ Memory expansion board ■ Hard drive ■ Display ■ Keyboard/TouchPad or pointing stick ■ Audio ■ Intel Pentium III processor ■ Fan ■ PC Card ■ Modem or modem/NIC The notebook uses - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 33
notebook features two Compaq system management utilities: ■ Computer Setup-A system information and customization utility that can be used even when your operating system is not working or will not load. This utility includes settings that are not available in Windows. Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 34
Windows operating system. Use this utility whenever possible to: ❏ Display system information. ❏ Test system components. ❏ Troubleshoot a device configuration problem in Windows 2000, Windows XP Professional, or Windows XP To close Computer Setup and restart the notebook: ❏ Select File > Save Changes - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 35
identification information about the notebook, a docking base, and any battery packs in the system. ■ View specification information about the processor, memory and cache size, and system ROM. Save system configuration settings to a diskette. Restore system configuration settings from a diskette - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 36
Diskette write* ■ CD-ROM or diskette startup ✎ Settings for a DVD-ROM can be entered in the CD-ROM field. System IDs Enter identification numbers for the notebook, a docking base, and all battery packs in the system. *Not applicable to SuperDisk LS-120 drives. 2-4 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 37
/disable USB legacy support for a USB keyboard. (When USB legacy support is enabled, the keyboard works even when a Windows operating system is not loaded.) ■ Set an optional external monitor or overhead projector connected to a video card in a docking base as the primary device. (When the notebook - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 38
Enable to recognize the docking bases individually, by serial number.) ■ Enable/disable the reporting of the processor serial number by the processor to the software. HDD Self Test Options Run a quick comprehensive self test on hard drives in the system that support the test features. * Video - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 39
Troubleshooting 2.2 Using Compaq Diagnostics When you access Compaq Diagnostics, a scan of all system components is displayed on the screen before the Compaq Diagnostics window opens. You can display more or less information from anywhere within Compaq Diagnostics by selecting Level on the menu bar. - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 40
Troubleshooting Obtaining, Saving, or Printing Diagnostic Test Information 1. Access Compaq Diagnostics by selecting Start > Settings > Control Panel > Compaq Diagnostics. 2. Select the Test tab. 3. In the scroll box, the checkbox for each test you want to run. 2-8 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 41
Troubleshooting 5. Select a test mode: ❏ Interactive Mode-Provides maximum control over the testing process. You determine whether the test was passed or failed, and you may be prompted to insert or remove run on the system, the number of all errors found in the notebook with their error codes. 8. - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 42
Troubleshooting No Power, Part 1 No Power, Part 2 No Power, Part 3 No Power, Part 4 No Video, Part 1 No Video, Part 2 Nonfunctioning Docking Station No Operating System (OS) Loading No OS Loading From Hard Drive, Part 1 No OS Loading From Hard Drive, Part 2 No OS Loading From Hard Drive, Part - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 43
Flowchart 2.1 - Initial Troubleshooting Begin troubleshooting. N Is there power? Y Go to Flowchart 2.2, No Power, Part 1. N Beeps, LEDs, or error messages? Y Check LED board, speaker connections. N Is there video? (no boot) Y Go to Flowchart 2.6, No Video, Part 1. N Is the OS - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 44
Troubleshooting Flowchart 2.2 - No Power, Part 1 No power (power LED is off). Remove from docking station (if applicable). N Power up on battery power? Y *Reset power. N Power up on battery power? Y Go to Flowchart 2.3, No Power, Part 2. N Power up on AC power? Y *Reset power. N Power up on - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 45
in battery socket and clean if necessary. Y Power on? N Done Check battery by recharging, moving it to another notebook, or replacing it. N Power on? Y Replace power supply (if applicable). N Done Power on? Y Go to Flowchart 2.4, No Power, Part 3. Done Maintenance and Service Guide 2-13 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 46
. Y Power on? N N Power outlet active? Y Replace power cord. Y Power on? N Done Done Try different outlet. External Internal or external AC adapter? Replace external AC adapter. Internal Go to Flowchart 2.5, No Power, Part 4. N Power on? Y Done Done 2-14 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 47
Flowchart 2.4, No Power, Part 3. Troubleshooting Open notebook. Y Loose or damaged parts? N Reseat loose components and boards and replace damaged items. Close notebook and retest. N Power on? Y Done Replace the following items (if applicable). Check notebook operation after each replacement - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 48
Troubleshooting Flowchart 2.6 - No Video, Part 1 No video. Stand-alone or docking station? Docking station Go to Flowchart 2.7, No Video, Part 2. * To change from internal to external display, use the hotkey combination. Stand-alone Internal or external display*? External Adjust brightness. - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 49
Troubleshooting Flowchart 2.7 - No Video, Part 2 Continued from Flowchart 2.6, No Video, Part 1. Remove notebook from docking station, if connected. Adjust display brightness. Check brightness of external monitor. N Video OK? Y Go to "A" in Flowchart 2.6, No Video, Part 1. Y Video OK? N - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 50
Nonfunctioning Docking Station (if applicable) Nonfunctioning docking station. Reseat power cord in docking station and power outlet. Check voltage setting on docking station. Reset monitor cable connector at docking station. Y Docking station operating? N Remove notebook, reseat all internal parts - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 51
Flowchart 2.9 - No Operating System (OS) Loading No OS loading.* Reseat power cord in docking station and power outlet. * Before beginning troubleshooting, always check cable connections, cable ends, and drives for bent or damaged pins. No OS loading from hard drive, go to Flowchart - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 52
Troubleshooting Flowchart 2.10 - No OS Loading from Hard Drive, Part 1 OS not loading from hard drive. Y Nonsystem disk message? N Go to Flowchart 2.11, No OS Loading from Hard Drive, Part 2. Reseat external hard drive. Y OS loading? N N Boot from CD? Y Check the setup utility for correct - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 53
Troubleshooting Flowchart 2.11 - No OS Loading from Hard Drive, Part 2 Continued from Flowchart 2.10, No OS Loading from Hard Drive, Part 1. N CD or diskette in drive? Y 1. Replace hard drive. 2. Replace system board. Reseat hard drive. Y Hard drive accessible? Done Remove diskette and reboot. - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 54
Troubleshooting Flowchart 2.12 - No OS Loading from Hard Drive, Part 3 Continued from Flowchart 2.11, No OS Loading from Hard Drive, Part 2. N System files on hard drive? Y Install OS and reboot. Y Virus on hard drive? N Run SCANDISK and check for bad sectors. N Can bad sectors be fixed? Y - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 55
drive and cold boot notebook. Clear CMOS. Refer to Section 1.3, "Clearing a Password," for instructions. N Bootable diskette in drive? Install bootable diskette and reboot notebook. Y Check diskette for system files. Try different diskette. Y Nonsystem disk error? N 1. Replace diskette drive - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 56
disc. Y Boots from CD or DVD? N Done Y Reseat drive. Boots from CD or DVD? N N Booting from another device? Y Y Booting order correct? N Done Go to Flowchart 2.17, Nonfunctioning Device. Clear CMOS. Refer to Section 1.3, "Clearing a Password," for instructions. Correct boot order using - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 57
Troubleshooting Flowchart 2.15 - No Audio, Part 1 Y No audio. Turn up audio internally or externally. Audio? N Done Y Notebook in docking station (if applicable)? N Undock N Internal audio? Go to Flowchart 2.16, No Audio, Part 2. Y Go to Flowchart 2.16, No Audio, Part 2. Replace the - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 58
drivers and set configuration in OS. Connect to external speaker. N Audio? Y Replace audio board and speaker connections in notebook (if applicable). Y Audio? N Done 1. Replace internal speakers. 2. Replace audio board (if applicable). 3. Replace system board. 2-26 Maintenance and Service - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 59
device detected? N Fix or replace broken item. Reattach device. Close notebook, plug in power, and reboot. N Device boots properly? Y Possible bad hard drive. Replace drive. Possible bad NIC. Replace card. If integrated NIC, replace system board. Go to Flowchart 2.9, No OS Loading. N Device - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 60
operating properly. Connect notebook to good external keyboard. N External device works? Y Replace system board. Reseat internal keyboard connector (if applicable). N OK? Y Replace internal keyboard or cable. Y Done OK? N Replace system board. Done 2-28 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 61
Troubleshooting Flowchart 2.19 - Nonfunctioning Pointing Device Pointing device not operating properly. Connect notebook to good external pointing device. N External device works? Y Replace system board. Reseat internal pointing device connector (if applicable). N OK? Y Replace internal - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 62
to nondigital line. N N NIC/modem configured in OS? Y Reload drivers and reconfigure. N Y OK? Done Disconnect all power from the notebook and open. Reseat NIC/modem (if applicable). Replace NIC/modem (if applicable). Y OK? N Done Replace system board. 2-30 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 63
for spare part numbers and option part numbers. 3.1 Serial Number Location When ordering parts or requesting information, provide the notebook serial number and model number located on the bottom of the notebook (Figure 3-1). Figure 3-1. Serial Number Location Maintenance and Service Guide 3-1 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 64
Illustrated Parts Catalog 3.2 Computer System Major Components Figure 3-2. Computer System Major Components 3-2 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 65
231454-001 MultiPort cover Left display support Center display support Right display support RTC battery Display lid switch board (used only with Evo Notebook N400c models) Hard drive spacer Memory expansion compartment cover Not Illustrated ■ TouchPad cable ■ PC Card slot weight saver ■ External - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 66
Illustrated Parts Catalog Computer System Major Components (continued) 3-4 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 67
Table 3-1 Computer System Major Components (Continued) Item 4 Description Spare Part Number Keyboard without pointing -141 230514-031 230514-001 Keyboard with pointing stick (for use only with Evo Notebook N400c models) Belgian Brazilian Czech Danish -001 Maintenance and Service Guide 3-5 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 68
Illustrated Parts Catalog Computer System Major Components (continued) 3-6 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 69
) Item 5 6 Description Switch cover Hard drives 40 GB 30 GB 20 GB 10 GB 7 System boards (includes fan and heat sink) For use only with Evo Notebook N410c models 1.20-GHz Intel Pentium III processor 1.00-GHz Intel Pentium III processor For use only with Evo Notebook N400c models 850-MHz Intel - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 70
Illustrated Parts Catalog Computer System Major Components (continued) 3-8 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 71
use with Evo Notebook N410c and N400c models External Li ion battery pack, 4 cell External high capacity battery pack, 9 cell For use only with Evo Notebook N410c models For use with Evo Notebook N410c and N400c models Mini PCI communication boards Lucent Win Modem + Intel PRO-100 (S)P Mobile Combo - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 72
Illustrated Parts Catalog 3.3 Miscellaneous Plastics Kit Components Figure 3-3. Miscellaneous Plastics Kit Components 3-10 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 73
(used only with Evo Notebook 400c models) Hard drive spacer Computer feet Item 8 9 10 11 12 13 Description RTC battery TouchPad cable External monitor connector cover PC Card slot weight saver Memory expansion compartment cover External battery slot spacers Maintenance and Service Guide 3-11 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 74
Illustrated Parts Catalog 3.4 Mass Storage Devices Figure 3-4. Mass Storage Devices 3-12 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 75
External diskette drive 2a External diskette drive cable 2b External diskette drive cradle 3 Optical drives The following options are for use only with the Mobile Expansion Unit: 8X Max DVD-ROM drive 24X Max CD-ROM drive CD-RW drive DVD-ROM/CD-RW combination drive Spare Part Number 265495 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 76
Automobile adapter Battery charger Bluetooth MultiPort Module External AC adapters 65 W, slim line 50 W, slim line Memory expansion boards For use only with Evo Notebook N410c models 133 MHz, 256 MB 133 MHz, 256 MB 133 MHz, 128 MB 133 MHz, 128 MB For use with all Evo Notebook N410c and N400c models - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 77
Parts (not illustrated) (Continued) Description Spare Part Number Mobile Expansion Units For use only with Evo Notebook N410c models For use with Evo Notebook N410c and N400c models 292385-001 231450-001 Power Listing," for more information on screw specifications and usage.) 231455-001 ■ - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 78
Parts (not illustrated) (Continued) Description Modems Type III mini PCI combination 56 Kbps modem/NIC board Type III mini PCI 56 Kbps modem board PC Card RJ-11 PTT adapter (used in the United Kingdom) Spare Part Number 233558-001 233557-001 233564-001 234963-091 198294-111 234962-001 316904- - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 79
service. 4.1 Tools Required You will need the following tools to complete the removal and replacement procedures: ■ Magnetic screwdriver ■ Phillips P0 screwdriver ■ Torx T8 screwdriver ■ Tool kit (includes connector removal tool, loopback plugs, and case utility tool) Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 80
are routed in such a way that they cannot be caught or snagged by parts being removed or replaced. Handle flex cables with extreme care; these cables tear easily. Ä CAUTION: When servicing the notebook, ensure that cables are placed in their proper locations during the reassembly process. Improper - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 81
Damage to Removable Drives Removable drives are fragile components that must be handled with care. To prevent damage to the notebook, damage to a removable drive, or loss of information, observe the following precautions: ■ Before removing or inserting a hard drive, shut down the notebook. If you - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 82
enough power to alter parts in their containers until the parts arrive at static-free workstations. ■ Place items on a grounded surface before removing items from their containers. ■ Always be properly grounded when touching a sensitive component or assembly. 4-4 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 83
components, parts, and assemblies by the case or PCM laminate. Handle these items only at static-free workstations. ■ Avoid contact with pins, leads, or circuitry. ■ Turn off power and input signals before inserting or removing connectors or test equipment. Maintenance and Service Guide 4-5 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 84
shoes or boots. On conductive floors or dissipative floor mats, use foot straps on both feet with a minimum of one-megohm resistance between the operator and ground. Static-dissipative tables or floor mats with hard ties to the ground ■ Field service kits ■ Static awareness labels ■ Material- - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 85
V 800 V 400 V Removing DIPS from plastic tube 2,000 V 700 V 400 V Removing DIPS from vinyl tray 11,500 V 4,000 V 2,000 V Removing DIPS from Styrofoam 14,500 V 5,000 V 3,500 V Removing bubble pack from PCB 26 Protection Level 1,500 V 7,500 V 5,000 V Maintenance and Service Guide 4-7 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 86
on screw sizes, locations, and usage. 5.1 Serial Number Report the notebook serial number to Compaq when requesting information or ordering spare parts. The serial number is located on the bottom of the notebook (Figure 5-1). Figure 5-1. Serial Number Location Maintenance and Service Guide 5-1 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 87
rest Memory expansion board Hard drive Mini PCI communications board Keyboard Real time clock (RTC) battery Switch cover Display Modem cable System board # of Screws Removed 0 0 4 1 0 0 4 0 4 4 2 12 on Evo Notebook N410c models 10 on Evo Notebook N400c models 5-2 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 88
before disassembling the notebook: 1. Turn off the notebook. 2. Undock the notebook and Mobile Expansion Unit (MEU) from the docking base, if applicable. 3. Disconnect the notebook from the MEU, if applicable. 4. Disconnect the AC adapter and external devices. 5. Remove the primary battery pack by - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 89
the external battery release latches toward the inside of the notebook 1 (Figure 5-3). d. Rotate the external battery pack 90 degrees toward the notebook 2. e. Remove the battery pack from the notebook 3. Figure 5-3. Removing the Optional External Battery Pack 5-4 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 90
5.4 Computer Feet The base feet are adhesive-backed rubber pads. The base feet are included in the Miscellaneous Plastics Kit (spare part number 231454-001). Refer to Figure 5-4 for the locations of the notebook feet. Figure 5-4. Replacing the Computer Feet Maintenance and Service Guide 5-5 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 91
) 231449-001 231591-001 The palm rest must be removed to access the internal memory expansion slot, the hard drive, and the modem/NIC board. 1. Prepare the notebook for disassembly (Section 5.3). 2. Turn the notebook bottom side up with the front facing forward. 5-6 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 92
Removal and Replacement Procedures 3. Remove the four TM2.0 × 6.0 screws that secure the palm rest to the base enclosure (Figure 5-5). Figure 5-5. Removing the Palm Rest Screws 4. Turn the notebook top side up with the front facing forward. 5. Open the notebook. Maintenance and Service Guide 5-7 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 93
Removal and Replacement Procedures 6. Press forward on the back edge of the palm rest between the right side of the space bar and the right Alt key to disengage the palm rest from the base enclosure (Figure 5-6). Figure 5-6. Releasing the Palm Rest 5-8 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 94
Removal and Replacement Procedures 7. Lift up the back edge of the palm rest 1 until the RTC battery 2 and TouchPad cables 3 prevent it from lifting any farther (Figure 5-7). Figure 5-7. Releasing the Palm Rest (continued) Maintenance and Service Guide 5-9 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 95
Removal and Replacement Procedures 8. While holding the palm rest at a 45 degree angle, slide the front edge of the palm rest the front edge of the palm rest up and back 2 and rest the palm rest on the keyboard 3. Figure 5-8. Releasing the Palm Rest (continued) 5-10 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 96
clip 1 (Figure 5-9). ✎ The RTC battery is included in the Miscellaneous Plastics Kit (spare part number 231454-001). 11. Disconnect the TouchPad cable 2 from the connector on the TouchPad. Figure 5-9. Removing the RTC Battery and Disconnecting the TouchPad Cable Maintenance and Service Guide 5-11 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 97
Evo Notebook N400c models only-Models with pointing stick keyboards have a pointing stick button cable that needs to be disconnected prior to removing the palm rest. Perform Steps 12 and 13 before removing the Pointing Stick Button Cable 13. Remove the palm rest and set it aside. Reverse - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 98
RTC Battery and TouchPad Cables 5.6 Memory Expansion Board ✎ The Compaq Evo Notebook N410c notebook has two memory expansion slots: one is located on the bottom of the notebook and the other is located under the palm rest. The procedure for removing a memory expansion board from a memory expansion - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 99
.0 × 6.0 screw 1 that secures the memory expansion compartment cover to the base enclosure (Figure 5-12). 4. Lift the back edge of the memory expansion compartment cover and swing it up and forward 2. Figure 5-12. Removing the Memory Expansion Compartment Cover 5-14 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 100
side of the memory expansion board 1. The memory expansion board tilts upward (Figure 5-13). 6. Lift the edge of the memory expansion board and slide it gently out of the memory expansion slot at a 45-degree angle 2. Figure 5-13. Removing a Memory Expansion Board Maintenance and Service Guide 5-15 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 101
of the memory expansion board 1. The memory expansion board tilts upward (Figure 5-14). 4. Lift the edge of the memory expansion board and slide it gently out of the memory expansion slot at a 45-degree angle 2. Figure 5-14. Removing a Memory Expansion Board 5-16 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 102
the hard drive from the hard drive bay. Do not remove the hard drive while the notebook is on, in Standby, or in Hibernation. If you are not sure whether the notebook is in Hibernation, turn the notebook on, then shut it down. If the notebook is running a retail version of a Windows operating system - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 103
. Figure 5-15. Removing the Hard Drive Reverse the above procedure to install the hard drive. Ä CAUTION: When installing the hard drive, make sure the speaker and modem/NIC cables are not crimped between the back edge of the hard drive and the base enclosure. 5-18 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 104
+ Intel PRO-100 (S)P Mobile Combo Adapter Type III mini PCI combination 56 Kbps modem/NIC board Type III mini PCI 56 Kbps modem board 230339-001 230338-001 230337-001 1. Prepare the notebook for disassembly (Section 5.3). 2. Remove the palm rest (Section 5.5). Maintenance and Service Guide 5-19 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 105
Removal and Replacement Procedures 3. Disconnect the modem/NIC cable from the modem/NIC board 1 ( angle 3. 6. Place the modem/NIC board in an electrostatic-safe container. Figure 5-16. Removing the Modem/NIC Board Reverse the above procedure to install the modem/NIC board. 5-20 Maintenance and - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 106
Removal and Replacement Procedures 5.9 Keyboard Keyboard Spare Part Number Information Keyboard without pointing 230514-141 230514-031 230514-001 Keyboard with pointing stick (for use only with Evo Notebook N400c models) Belgian Brazilian Czech Danish 001 Maintenance and Service Guide 5-21 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 107
and Replacement Procedures Evo Notebook N400c models only-If you are removing a pointing stick keyboard, you must first remove the palm rest so the pointing stick button cable can be disconnected. Refer to Section 5.5 for palm rest removal instructions. If you are removing a TouchPad keyboard, it is - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 108
Open the notebook. ✎ If you are removing a pointing stick keyboard, make sure the palm rest has been removed and the pointing stick button cable is disconnected before proceeding with the following steps. 6. Lift up the front edge of the keyboard 1 until it clears the memory expansion connector and - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 109
Procedures 8. Release the ZIF connector 1 to which the keyboard cable is attached and disconnect the keyboard cable 2 (Figure 5-19). 9. Remove the keyboard. Figure 5-19. Disconnecting the Keyboard Cable Reverse the above procedure to install the keyboard. 5-24 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 110
palm rest (Section 5.5). 3. Remove the keyboard (Section 5.9). 4. Disconnect the RTC battery cable from the system board 1 (Figure 5-20). 5. Remove the RTC battery 2. Figure 5-20. Removing the RTC Battery Reverse the above procedure to install the RTC battery. Maintenance and Service Guide 5-25 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 111
5.11 Switch Cover Switch Cover Spare Part Number Information Switch cover 231453-001 1. Prepare the notebook for disassembly (Section 5.3). 2. Remove the palm rest (Section 5.5). 3. Remove the keyboard (Section 5.9). 4. Close the notebook. 5. Turn the notebook bottom side up with the rear - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 112
notebook as far as it will open. 9. Lift up on the outside edges of the switch cover to disengage it from the base enclosure 1 (Figure 5-22). 10. Remove the switch cover 2. Figure 5-22. Removing the Switch Cover Reverse the above procedure to install the switch cover. Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 113
(for use only with Evo Notebook N400c models) 292383-001 231448-001 1. Prepare the notebook for disassembly (Section 5.3) and, in the order below, remove the following components: ❏ Palm rest (Section 5.5) ❏ Keyboard (Section 5.9) ❏ Switch cover (Section 5.11) 5-28 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 114
assembly is unsupported. Make sure to provide support for the display assembly when removing the display screws. 3. Remove the four TM2.0 × 6.0 screws 3 that secure the display to the base enclosure. 4. Remove the display. Figure 5-23. Removing the Display Maintenance and Service Guide 5-29 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 115
Removal and Replacement Procedures ✎ When replacing the display, make sure the display cables are routed as indicated in Figure 5-24. To screws have been loosely installed, tighten them. Figure 5-24. Routing the Display Cables and Installing the Display Screws 5-30 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 116
the notebook for disassembly (Section 5.3) and, in the order below, remove the following components: ❏ Palm rest (Section 5.5) ❏ Keyboard (Section 5.9) ❏ Switch cover (Section 5.11) ❏ Display (Section 5.12) 2. Position the notebook so the rear panel faces you. Maintenance and Service Guide 5-31 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 117
Removal and Replacement Procedures 3. Remove the TM2.0 × 6.0 screw 1 that secures the right display support to the base enclosure (Figure 5-25). 4. Remove the right display support 2. Figure 5-25. Removing the Right Display Support 5-32 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 118
on the display lid switch board. 8. Disconnect the microphone cable 3 from the system board. 9. Remove the PM 2.0 × 5.0 screw 4 that secures the display lid switch board to the base enclosure. Figure 5-26. Removing the Modem Cable on Evo Notebook N410c Models Maintenance and Service Guide 5-33 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 119
Procedures 10. Disconnect the network interface card (NIC) passthrough cable 1 and NIC/switch to system cable 2 from the system board (Figure 5-27). 11. Remove the modem cable. Figure 5-27. Removing the Modem Cable on Evo Notebook N410c Models (continued) 5-34 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 120
the system board. 15. Remove the PM2.0 × 4.0 screw 4 that secures the display lid switch board to the base enclosure. 16. Remove the modem cable. Figure 5-28. Removing the Modem Cable on Evo Notebook N400c Models Reverse the above procedure to install the modem cable. Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 121
-001 231446-001 1. Prepare the notebook for disassembly (Section 5.3) and, in the order below, remove the following components: ❏ Palm rest (Section 5.5) ❏ Hard drive (Section 5.7) ❏ Mini PCI communications board (Section 5.8) ❏ Keyboard (Section 5.9) ❏ RTC battery (Section 5.10) ❏ Switch cover - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 122
support and swing it toward the back of the notebook 1 (Figure 5-29). 3. Remove the center display support 2. ✎ The center display support is included in the Miscellaneous Plastics Kit (spare part number 231454-001). Figure 5-29. Removing the Center Display Support Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 123
the PM2.0 × 7.0 barrel screw 1 that secures the system board to the base enclosure (Figure 5-30). 6. Evo Notebook N410c models only-Remove the PM2.0 × 4.0 screw 2 that secures the system board to the base enclosure. Figure 5-30. Removing the System Board Screw 5-38 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 124
the base enclosure. 11. Remove the six TM2.0 × 4.0 screws 4 that secure the system board to the base enclosure. ✎ Evo Notebook N410c models have an additional TM2.0 × 3.5 screw 5 that must be removed. Figure 5-31. Removing the System Board Screws and Screwlocks Maintenance and Service Guide 5-39 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 125
Removal and Replacement Procedures ✎ Do not remove the screw 1 on the fan assembly or the four screws that secure the processor mounting bracket 2 when removing the system board (Figure 5-32). Figure 5-32. Identifying the Processor Mounting Bracket and Fan Screws 5-40 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 126
Removal and Replacement Procedures 12. Disconnect the external battery terminal 1 and speaker cables 2 from the system board (Figure 5-33). Figure 5-33. Disconnecting the External Battery Terminal and Speaker Cables from the System Board Maintenance and Service Guide 5-41 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 127
monitor connector can stress and damage the system board. 15. Disconnect the external battery terminal 2 and NTSC module cables 3 from the system board. Figure 5-34. Disconnecting the External Battery Terminal and NTSC Module Cables from the System Board 5-42 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 128
Removal and Replacement Procedures 16. Slide the system board to the left to remove it from the base enclosure (Figure 5-35). Figure 5-35. Removing the System Board Reverse the above procedure to install the system board. Maintenance and Service Guide 5-43 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 129
to ensure that the PC Card eject button properly fits into the slot in the base enclosure 1. Make sure the external monitor connector bracket 2 and security cable slot bracket 3 are in their proper locations (Figure 5-36). Figure 5-36. Installing the System Board 5-44 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 130
system board when it is installed into the base enclosure (Figure 5-37). Failure to follow this caution can result in damage to notebook components, system failure, and data loss Figure 5-37. Routing the Speaker, External Battery Terminal, NTSC Module, and Fan Cables Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 131
physical and performance specifications. Table 6-1 Computer Dimensions Height Width Depth 2.26 cm 26.67 cm 24.13 cm .89 in 10.5 in 9.5 in Weight 1.59 kg 3.5 lb Standalone (battery) power requirements Nominal operating voltage (Li ion) Maximum operating power Peak operating power 14.8 VDC - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 132
Operating Nonoperating 0.5 G, 10 to 500 Hz, 0.5 oct/min sweep rate 1.0 G, 10 to 500 Hz, 0.50 oct/min sweep rate ✎ Applicable product safety standards specify thermal limits for plastic surfaces. The notebook operates well within this range of temperatures. 6-2 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 133
21.16 cm 19.81 cm 30.73 cm 10.3 in 7.8 in 12.1 in Up to 16.8 million 125:1 130 nits typical on AC power, 70 nits typical on battery power, 115 nits minimum 0.264 × 0.264 mm 1024 × 768 RGB vertical stripe Cold cathode fluorescent, 1 tube 80 × 25 60 Hz 4 W Maintenance and Service Guide 6-3 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 134
21.16 cm 19.81 cm 30.73 cm 10.3 in 7.8 in 12.1 in Up to 16.8 million 125:1 130 nits typical on AC power, 70 nits typical on battery power, 115 nits minimum 0.264 × 0.264 mm 800 × 600 RGB vertical stripe Cold cathode fluorescent, 1 tube 80 × 25 60 Hz 4 W 6-4 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 135
Sectors per track 16,683 16 63 16,683 16 63 16,683 16 63 16,683 16 63 1 1 GB = 1,073,741,824 bytes. 3 Actual drive specifications may differ slightly. Certain restrictions and exclusions apply. Consult the Compaq Customer Support Center for details. Maintenance and Service Guide 6-5 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 136
(Mb/s)3 66.6 100 66.6 66.6 109 to 203 155 to 256 109 to 203 109 to 203 2 System capability may differ. 3 Actual drive specifications may differ slightly. Certain restrictions and exclusions apply. Consult the Compaq Customer Support Center for details. 6-6 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 137
Specifications Table 6-5 Diskette Drive Diskette size Light Height Bytes per sector Sectors per track High density Low density Tracks per side High density Low density Read/write heads Average seek times Track-to-track (high/low) Average (high/low) Settling time Latency average 8.89 cm On system - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 138
Specifications Table 6-6 CD-ROM Drive Applicable disk Center hole diameter Disk diameter Disk thickness Track pitch Access time Random Full Stroke Cache buffer Data transfer rate Sustained, 24X Variable Normal PIO Mode 4 (single burst) Startup time Stop time CD-ROM (Mode 1, 2, and 3) CD-XA ready - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 139
Specifications Table 6-7 DVD-ROM Drive Applicable disk Center hole diameter Disk diameter Disk thickness Track pitch Access time Random Full Stroke Audio output level Lineout Headphone Cache buffer Data transfer rate Sustained, 1X DVD rate Sustained, 16X DVD - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 140
Specifications Table 6-8 Battery Packs Dimensions capacity External Li ion High Capacity Voltage Amp-hour capacity Watt-hour capacity Environmental requirements Temperature Operating Nonoperating 1.98 cm 23.01 cm 4.67 cm .22 kg 4 2.29 cm 26 ° F -4°F to 140° F 6-10 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 141
, DMA3, none) DMA2 Diskette drive DMA3 ECP parallel port LPT1 (default; alternate = DMA0, none) DMA4 DMA controller cascading (not available) DMA5 Available for PC Card DMA6 Not assigned DMA7 Not assigned PC Card controller can use DMA 1, 2, or 5. Maintenance and Service Guide 6-11 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 142
drive) IRQ15 System use PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port may assert IRQ3 or IRQ4. *Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none. 6-12 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 143
configuration registers Unused 87334 "Super IO" configuration for CPU Counter/timer registers Unused Keyboard controller Port B Unused Keyboard controller Unused NMI enable/real time clock Unused DMA page registers Unused Port A Unused Interrupt controller no. 2 Maintenance and Service Guide 6-13 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 144
controller no. 2 Unused Coprocessor busy clear/reset Unused Unused Secondary fixed disk controller Unused Primary fixed disk controller Unused Joystick (decoded in ESS1688) Unused Entertainment audio Unused Unused Unused Unused Unused Unused Reserved serial port 6-14 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 145
- 3FF CF8 - CFB CFC - CFF System Function (shipping configuration) Unused Infrared port Unused Unused Secondary diskette drive controller Parallel port (LPT1/default) Unused FM synthesizer - OPL3 Unused VGA Reserved (parallel port/no EPP support) VGA PC Card controller in CPU Unused Internal modem - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 146
- 047FFFFF 04800000 - 07FFFFFF 08000000 - 080FFFFF 08200000 - FFFEFFFF FFFF0000 - FFFFFFFF System Function Base memory Video memory Video BIOS Unused System BIOS Extended memory Super extended memory Unused Video memory (direct access) Unused System BIOS 6-16 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 147
13 14 15 16 17 18-25 Signal Acknowledge* Busy Paper out Select Auto line feed* Error* Initialize printer* Select in* Signal ground Maintenance and Service Guide A-1 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 148
Signal 6 Data set ready 7 Ready to send 8 Clear to send 9 Ring indicator Table A-3 Stereo Speaker/Headphone Pin Signal 1 Audio out 1 2 Pin Signal 2 Ground A-2 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 149
Connector Pin Assignments Table A-4 Microphone Pin Signal 1 Audio in 1 2 Pin Signal 2 Ground Table A-5 Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - Pin Signal 3 Data + 4 Ground Maintenance and Service Guide A-3 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 150
+ 4 Unused 13 5 7 2468 Pin Signal 5 Unused 6 Receive - 7 Unused 8 Unused Table A-7 RJ-11 Modem Pin Signal 1 Unused 2 Tip 3 Ring A-4 Pin Signal 4 Unused 5 Unused 6 Unused Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 151
8 Ground analog Pin Signal 9 +5 VDC 10 Ground 11 Monitor detect 12 DDC 2B data 13 Horizontal sync 14 Vertical sync 15 DDC2B clock Maintenance and Service Guide A-5 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 152
voltage rating of 125 or 250 volts AC, as required by each country's power system. ■ The appliance coupler must meet the mechanical configuration of an EN 60 320/IEC 320 Standard Sheet C13 connector, for mating with the appliance inlet on the back of the notebook. Maintenance and Service Guide B-1 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 153
Cord Set Requirements Country-Specific Requirements 3-Conductor Power Cord Set Requirements Country Australia Austria Belgium Canada Denmark Finland France Germany Italy UTE VDE IMQ METI KEMA NEMKO SEMKO SEV Applicable Note Number 1 1 1 2 1 1 1 1 1 3 1 1 1 1 B-2 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 154
flexible cord must be Type HO5VV-F, 3-conductor, 1.0 mm2 conductor size. The power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the type with a Japanese Industrial Standard C8303 (7 A, 125 V) configuration. Maintenance and Service Guide B-3 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 155
C Screw Listing This appendix provides specification information for the screws used in the notebook. All screws listed in this appendix are available in the Miscellaneous Screw Kit, spare part number 231455-001. Maintenance and Service Guide C-1 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 156
Where used: One screw that secures the MultiPort cover to the display assembly (refer to the documentation included with the MultiPort device for information on removing the MultiPort cover) Figure C-1. TM2.0 × 3.0 Screw Location C-2 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 157
in Section 5.5) 2 One screw that secures the memory expansion compartment cover to the base enclosure (documented in Section 5.6) 3 Four screws that secure the keyboard to the base enclosure (documented in Section 5.9) f Figure C-2. TM2.0 × 6.0 Screw Locations Maintenance and Service Guide C-3 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 158
in Section 5.11) 2 One screw that secures the right display support to the base enclosure (documented in Section 5.13) 3 One screw that secures the left display support to the base enclosure (documented in Section 5.14) Figure C-3. TM2.0 × 6.0 Screw Locations C-4 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 159
Where used: Four screws that secure the display to the base enclosure (documented in Section 5.12) Head Width 4.0 mm Figure C-4. TM2.0 × 6.0 Screw Locations Maintenance and Service Guide C-5 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 160
2.0 × 5.0 Screw Head Color Qty Length Thread Width Black 1 5.0 mm 2.0 mm 3.0 mm Where used: Evo Notebook N410c models only-One screw that secures the display lid switch board to the system board (documented in Section 5.13) Figure C-5. TM2.0 × 6.0 Screw Location C-6 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 161
2.0 × 4.0 Screw Head Color Qty Length Thread Width Black 1 4.0 mm 2.0 mm 3.0 mm Where used: Evo Notebook N400c models only-One screw that secures the display lid switch board to the system board (documented in Section 5.13) Figure C-6. TM2.0 × 4.0 Screw Location Maintenance and Service Guide C-7 - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 162
2.0 × 4.0 Screw (Continued) Head Color Qty Length Thread Width Silver 1 4.0 mm 2.0 mm 3.0 mm Where used: Evo Notebook N410c models only-One screw that secures the system board to the system board (documented in Section 5.14) Figure C-7. TM2.0 × 4.0 Screw Location C-8 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 163
Screw Listing Table C-5 Phillips P0 Metric 2.0 × 7.0 Barrel Screw Color Qty Length Thread Silver 1 7.0 mm 2.0 mm Where used: One screw that secures the system board to the base enclosure (documented in Section 5.14) Head Width 5.0 mm Figure C-8. PM2.0 × 7.0 Barrel Screw Location Maintenance and - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 164
models-Seven screws that secure the system board to the base enclosure (documented in Section 5.14) 1 Evo Notebook N400c models-Six screws that secure the system board to the base enclosure (documented in Section 5.14) Figure C-9. TM2.0 × 4.0 Screw Locations C-10 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 165
Listing Table C-6 5.0 mm × 9.5 Screwlock Head Color Qty Length Thread Width Silver 2 9.5 mm n/a 5.0 mm Where used: Two screwlocks that secure the system board to the base enclosure on each side of the external monitor connector (documented in Section 5.14) Figure C-10. HM5.0 × 9.5 Screwlock - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 166
cables power cords B-1 service considerations 4-2 caps lock key 1-21 caps lock light 1-23 CD-ROM drive illustrated 3-12 OS loading problems 2-24 spare part number 3-13 specifications 6-8 CD-RW drive, spare part number 3-13 Certificate of Authenticity label 1-25 Maintenance and Service Guide Index - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 167
drive cradle illustrated 3-12 spare part number 3-13 display illustrated 3-2 installing 5-30 removal 5-28 spare part numbers 3-3, 5-28 specifications 6-3, 6-4 display center support illustrated 3-10 removal 5-37 display left support illustrated 3-10 removal 5-39 Index-2 Maintenance and Service - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 168
latch 1-15 display right support illustrated 3-10 removal 5-32 DMA specifications 6-11 docking connector 1-25 docking station, troubleshooting 2-18 drives, preventing damage 4-3 DVD-ROM drive illustrated 3-12 OS loading problems 2-24 spare part numbers 3-13 specifications 6-9 E Easy Access buttons - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 169
assignments A-4 network, troubleshooting 2-30 nonfunctioning device, troubleshooting 2-18, 2-27 NTSC module cable, disconnecting 5-42 num lock light 1-23 numeric keypad 1-21 O operating system loading, troubleshooting 2-19 optical drive specifications 6-8, 6-9 Index-4 Maintenance and Service Guide - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 170
stick button 1-23 power cord, spare part numbers 3-15 power jack 1-19 power light 1-23 Power Management 1-14 power switch 1-16 power, troubleshooting 2-12 R real time clock (RTC) battery cable routing 5-13 illustrated 3-10 removal 5-11, 5-25 removal and replacement preliminaries 4-1 procedures - Compaq Evo n400c | Maintenance and Service Guide Compaq Evo N400c Series - Page 171
5-13 transporting precautions 4-4 troubleshooting audio 2-25 Compaq Diagnostics 2-7 Computer Setup 2-2 docking station 2-18 flowcharts 2-10 keyboard 2-28 modem 2-30 network 2-30 nonfunctioning device 2-18, 2-27 operating system loading 2-19 overview 2-1 pointing device 2-29 power 2-12 video 2-16
b
Maintenance and Service Guide
Compaq Evo Notebook N400c Series
Document Part Number: 268629-002
August 2003
This guide is a troubleshooting reference used for maintaining
and servicing the notebook. It provides comprehensive
information on identifying notebook features, components, and
spare parts, troubleshooting notebook problems, and performing
notebook disassembly procedures.