Compaq EVO NOTEBOOK N410C Manual

b
Maintenance and Service Guide
Compaq Evo Notebook N410c and
N400c Series
Document Part Number: 268629-001
July 2002
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.

© 2002 Compaq Computer Corporation
Compaq, Evo, and the Compaq logo are trademarks of Compaq Information
Technologies Group, L.P.
Microsoft and Windows are trademarks of Microsoft Corporation.
Intel and Pentium are trademarks of Intel Corporation.
All other product names mentioned herein may be trademarks of their respective
companies.
Compaq shall not be liable for technical or editorial errors or omissions
contained herein. The information in this document is provided “as is” without
warranty of any kind and is subject to change without 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
First Edition (July 2002)
Document Part Number: 268629-001

Maintenance and Service Guide iii
Contents
1 Product Description
1.1 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
1.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–12
1.2 Clearing a Password. . . . . . . . . . . . . . . . . . . . . . . . . 1–13
1.3 Power Management . . . . . . . . . . . . . . . . . . . . . . . . . 1–14
1.3 Computer External Components . . . . . . . . . . . . . . . 1–15
1.4 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 Menu . . . . . . . . . . . . . . . . . . 2–3
Selecting from the Security Menu. . . . . . . . . . . . . . . 2–4
Selecting from the Advanced Menu . . . . . . . . . . . . . 2–5
2.2 Using Compaq Diagnostics . . . . . . . . . . . . . . . . . . . . 2–7
Obtaining, Saving, or Printing
Configuration Information. . . . . . . . . . . . . . . . . . . . . 2–7
Obtaining, Saving, or Printing Diagnostic
Test Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–8
2.3 Troubleshooting Flowcharts. . . . . . . . . . . . . . . . . . . 2–10

iv Maintenance and Service Guide
Contents
3 Illustrated Parts Catalog
3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . . 3–1
3.2 Computer System Major Components. . . . . . . . . . . . 3–2
3.3 Miscellaneous Plastics Kit Components . . . . . . . . . 3–10
3.4 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 3–12
3.5 Miscellaneous Spare Parts . . . . . . . . . . . . . . . . . . . . 3–14
4 Removal and Replacement Preliminaries
4.1 Tools Required. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1
4.2 Service Considerations. . . . . . . . . . . . . . . . . . . . . . . . 4–2
Plastic Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–2
Cables and Connectors . . . . . . . . . . . . . . . . . . . . . . . 4–2
4.3 Preventing Damage to Removable Drives . . . . . . . . . 4–3
4.4 Preventing Electrostatic Damage . . . . . . . . . . . . . . . . 4–4
4.5 Packaging and Transporting Precautions . . . . . . . . . . 4–4
4.6 Workstation Precautions . . . . . . . . . . . . . . . . . . . . . . 4–5
4.7 Grounding Equipment and Methods . . . . . . . . . . . . . 4–6
5 Removal and Replacement Procedures
5.1 Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1
5.2 Disassembly Sequence Chart . . . . . . . . . . . . . . . . . . . 5–2
5.3 Preparing the Notebook for Disassembly . . . . . . . . . 5–3
5.4 Computer Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–6
5.5 Palm Rest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–7
5.6 Memory Expansion Board . . . . . . . . . . . . . . . . . . . . 5–14
5.7 Hard Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–18
5.8 Mini PCI Communications Board . . . . . . . . . . . . . . 5–20
5.9 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–22
5.10 Real Time Clock (RTC) Battery . . . . . . . . . . . . . . 5–26
5.11 Switch Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–27
5.12 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–29
5.13 Modem Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–32
5.14 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–37

Contents
Maintenance and Service Guide v
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 1–1
1
Product Description
The Compaq Evo Notebook N410c and N400c Series offer
advanced modularity, 1.20-GHz, 1.00-GHz, 850-MHz, or
700-MHz Intel Pentium III processors with 64-bit architecture,
industry-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

1–2 Maintenance and Service Guide
Product Description
1.1 Models
Model naming conventions are shown in Tables 1-1 through 1-3.
Table 1-1
Compaq Evo Notebook N410c and N400c
Model Naming Conventions
Key
N4c P 120 X2 30 0 C 128 O XXXXXX-XXX
123456789 10
Key Description Options
1 Brand/Series
designator
N = Evo Notebook 4 = Ultra portable
c = Common
2 Processor type P = Intel Pentium III
3 Processor speed 120 = 1.20 GHz
100 = 1.00 GHz
850 = 850 MHz
700 = 700 MHz
4Displaytype/
size/resolution
X = XGA (1024 × 768)
5 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
dual install
2 = Windows 2000
6 = Windows 2000/
Window NT 4.0
dual install
8 = Windows 98
10 SKU#

Product Description
Maintenance and Service Guide 1–3
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 X2 30 0 C 25 O
United States 470040-185
N410c P 120 X2 30 0 C 0 O
United States 470040-184
N410c P 120 X2 30 0 C 25 2
United States 470040-182
N410c P 120 X2 30 0 C 0 2
United States 470040-183

1–4 Maintenance and Service Guide
Product Description
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
N410c P 120 X2 30 0 C 25 O
Asia Pacific
Australia
Belgium
Brazil
Czech Republic
Denmark
Europe International
France
French Canada
Germany
Greece/Poland
Hong Kong
Hungary
Israel
Italy
Japan
Japan (English)
Korea
Latin America
470037-654
470037-652
470037-564
470037-651
470037-576
470037-582
470037-589
470037-592
470037-557
470037-596
470037-599
470037-659
470037-624
470037-626
470037-628
470037-645
470037-647
470037-660
470037-649
Latin America
(NAFTA)
The Netherlands
Norway
People’s
Republic of
China
Portugal
Russia
Saudi Arabia
Slovenia
Spain
Sweden
Switzerland
Ta i w an
Tu r k ey
United Kingdom
United States
United States
(NAFTA)
470037-597
470037-629
470037-631
470037-655
470037-632
470037-634
470037-559
470037-635
470037-637
470037-638
470037-640
470037-657
470037-642
470037-643
470037-550
470037-600
Table 1-2
Compaq Evo Notebook N410c Models
(Continued)

Product Description
Maintenance and Service Guide 1–5
N410c P 120 X2 30 0 C 25 2
Asia Pacific
Australia
Belgium
Brazil
Czech Republic
Denmark
Europe International
France
French Canada
Germany
Greece/Poland
Hong Kong
Hungary
Israel
Italy
Japan
Japan (English)
Korea
Latin America
470037-758
470037-756
470037-716
470037-753
470037-719
470037-721
470037-723
470037-725
470037-663
470037-727
470037-728
470037-761
470037-729
470037-730
470037-731
470037-748
470037-750
470037-762
470037-751
Latin America
(NAFTA)
The Netherlands
Norway
People’s
Republic of
China
Portugal
Russia
Saudi Arabia
Slovenia
Spain
Sweden
Switzerland
Ta i w an
Tu r k ey
United Kingdom
United States
United States
(NAFTA)
470037-574
470037-732
470037-734
470037-759
470037-735
470037-737
470037-711
470037-739
470037-740
470037-742
470037-745
470037-760
470037-743
470037-744
470037-662
470037-690
Table 1-2
Compaq Evo Notebook N410c Models
(Continued)

1–6 Maintenance and Service Guide
Product Description
N410c P 100 X2 20 0 C 25 O
Asia Pacific
Australia
Belgium
Brazil
Czech Republic
Denmark
Europe International
France
French Canada
Germany
Greece/Poland
Hong Kong
Hungary
Israel
Italy
Japan
Japan (English)
Korea
470040-136
470040-135
470040-044
470040-134
470040-057
470040-058
470040-114
470040-115
470040-006
470040-116
470040-117
470040-139
470040-118
470040-119
470040-120
470040-131
470040-132
470040-140
Latin America
The Netherlands
Norway
People’s
Republic of
China
Portugal
Russia
Saudi Arabia
Slovenia
Spain
Sweden
Switzerland
Ta i w an
Tu r k ey
United Kingdom
United States
470040-133
470040-121
470040-122
470040-137
470040-123
470040-124
470040-020
470040-125
470040-126
470040-127
470040-128
470040-138
470040-129
470040-130
470039-997
Table 1-2
Compaq Evo Notebook N410c Models
(Continued)

Product Description
Maintenance and Service Guide 1–7
N410c P 100 X2 20 0 C 25 2
Asia Pacific
Australia
Belgium
Brazil
Czech Republic
Denmark
Europe International
France
French Canada
Germany
Greece/Poland
Hong Kong
Hungary
Israel
Italy
Japan
Japan (English)
Korea
470040-177
470040-176
470040-150
470040-175
470040-151
470040-152
470040-153
470040-154
470040-149
470040-155
470040-156
470040-180
470040-157
470040-158
470040-159
470040-171
470040-172
470040-181
Latin America
The Netherlands
Norway
People’s
Republic of
China
Portugal
Russia
Saudi Arabia
Slovenia
Spain
Sweden
Switzerland
Ta i w an
Tu r k ey
United Kingdom
United States
470040-174
470040-160
470040-161
470040-178
470040-162
470040-163
470040-164
470040-165
470040-166
470040-167
470040-168
470040-179
470040-169
470040-170
470040-148
Table 1-2
Compaq Evo Notebook N410c Models
(Continued)

1–8 Maintenance and Service Guide
Product Description
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
Hong Kong 470037-594
N410c P 120 X2 30 0 C 25 2
Hong Kong 470037-565
The following Evo Notebook N410c models use config. code KVB1 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 100 X2 30 0 C 25 O
Japan 470037-593
N410c P 100 X2 30 0 C 12 2
Japan 470037-534
Table 1-2
Compaq Evo Notebook N410c Models
(Continued)

Product Description
Maintenance and Service Guide 1–9
Table 1-3
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 P 850 X2 20 0 0 25 6
European
International
470026-527 Thailand 470026-528
N400c P 850 X2 20 0 C 25 6
Australia
Belgium
Brazil
Czech Republic
Denmark
France
French Canada
Germany
Greece/Poland
Hong Kong
Hungary
Israel
Italy
Japan
Japan English
Korea
Latin America
Latin America
(NAFTA)
The Netherlands
470026-698
470031-219
470031-236
470031-220
470031-221
470026-534
470026-533
470026-535
470031-223
470031-239
470031-224
470031-225
470026-536
470026-693
470026-694
470031-240
470026-695
470026-532
470031-228
Norway
People’s
Republic of
China
Portugal
Russia
Saudi Arabia
Slovakia/
Slovenia
Spain
Sweden
Switzerland
Ta i w an
Thailand
Tu r k ey
United Kingdom
United States
United States
(NAFTA)
470031-229
470031-237
470031-231
470031-232
470031-226
470031-233
470031-410
470031-234
470026-749
and
470026-750
470031-238
470026-697
470031-235
470026-537
470026-529
470026-531

1–10 Maintenance and Service Guide
Product Description
N400c P 700 X2 20 0 C 12 6
Asia Pacific
Australia
Belgium
Brazil
Czech Republic
Denmark
France
French Canada
Germany
Greece/Poland
Hong Kong
Hungary
Israel
Italy
Japan
Japan English
Korea
Latin America
Latin America
(NAFTA)
The Netherlands
470013-784
470013-786
470013-762
470013-782
470013-763
470013-764
470013-765
470013-761
470013-766
470013-767
470013-792
470013-768
470013-717
470013-721
470013-776
470013-778
470013-794
470013-780
470013-690
470013-738
Norway
People’s
Republic of
China
Portugal
Russia
Saudi Arabia
Slovakia/
Slovenia
Spain
Sweden/Finland
Switzerland
Ta i w an
Tu r k ey
United Kingdom
United States
United States
(NAFTA)
470013-742
470013-788
470013-746
470013-752
470013-733
470013-756
470013-758
470013-760
470013-769
and
470013-770
470013-790
470013-772
470013-774
470013-471
470013-689
Table 1-3
Compaq Evo Notebook N400c Models
(Continued)

Product Description
Maintenance and Service Guide 1–11
N400c P 700 X2 20 0 C 12 8
Asia Pacific
Australia
Belgium
Brazil
Czech Republic
Denmark
France
French Canada
Germany
Greece/Poland
Hong Kong
Hungary
Israel
Italy
Japan
Japan English
Korea
Latin America
Latin America
(NAFTA)
470013-783
470013-785
470013-695
470013-781
470013-696
470013-697
470013-698
470013-694
470013-699
470013-711
470013-791
470013-715
470013-716
470013-720
470013-775
470013-777
470013-793
470013-779
470013-686
The Netherlands
Norway
People’s
Republic of
China
Portugal
Russia
Saudi Arabia
Slovakia/
Slovenia
Spain
Sweden/Finland
Ta i w an
Tu r k ey
United Kingdom
United States
United States
(NAFTA)
470013-736
470013-740
470013-787
470013-744
470013-750
470013-732
470013-755
470013-757
470013-759
470013-789
470013-771
470013-773
470013-470
470013-683
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
Table 1-3
Compaq Evo Notebook N400c Models
(Continued)

1–12 Maintenance and Service Guide
Product Description
1.2 Features
The notebook has the following features:
■Intel Pentium III 1.20-GHz, 1.00-GHz, 850-MHz, or
700-MHz processor, with 256-KB integrated cache, varying
by notebook model
■ATI Mobility M1, 8-MB SDRAM
■128 MB standard memory, expandable to 512 MB
■Microsoft Windows 98, Windows 2000, Windows NT, or
Windows XP preinstalled, varying by notebook model
■12.1-inch, XGA, TFT (1024 × 768) or 12.1-inch, SVGA,
TFT (800 × 600) display, with over 16.8 million colors,
varying by notebook model
■TouchPad or pointing stick pointing device (pointing stick
available only on Evo Notebook N400c models)
■Mini PCI 56K V.90 modem, or optional Mini PCI V.90
modem plus 10/100 NIC combination card
■Support for one Type II PC Card slot with support for both
32-bit CardBus and 16-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 communication devices, stereo speaker/headphone,
microphone, universal serial bus (USB), RJ-45 network,
RJ-11 modem, parallel, serial, video out, external monitor,
and AC power
■Speaker

Product Description
Maintenance and Service Guide 1–13
1.2 Clearing a Password
If the notebook you are servicing has an unknown password,
follow these steps to clear the password. These steps also clear
CMOS.
1. Prepare the notebook for disassembly. Refer to Section 5.3,
“Preparing the Computer for Disassembly,” for more
information.
2. Remove the real time clock (RTC) battery (refer to Section
5.10, “Real Time Clock (RTC) 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.

1–14 Maintenance and Service Guide
Product Description
1.3 Power Management
The notebook comes with a collection of power management
features that 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
■Lid switch suspend/resume
■Power switch
■Standby button
■Advanced Configuration and Power Management (ACP)
compliant

Product Description
Maintenance and Service Guide 1–15
1.3 Computer External Components
The external components on the display and left side of the
notebook are shown in Figure 1-2 and described in Table 1-4.
Figure 1-2. Front Panel Components
Table 1-4
Front Panel Components
Item Component Function
1 Vent Allows airflow to cool internal
components.
2 Display release latch Releases the display to open the
notebook.
3 Volume buttons (2) Adjust or mute the system volume.
4 MultiPort Connects wireless communication
devices, such as a Bluetooth or
802.11b MultiPort Module, and
other options.