Specifications. HP Compaq nx8420 Notebook PC, Compaq nc8430 Notebook PC, Compaq nw8440 Mobile Workstation, Compaq nw8440 Base Model Mobile Workstation, nw8440, Compaq nw8440
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HP Compaq nx8420 Notebook PC combines the features of a desktop PC with the mobility of a notebook. It is powered by an Intel Core processor and has a large, high-resolution display. With its built-in webcam, you can easily video conference with friends and family. The nx8420 also has a variety of ports and slots, so you can connect all of your peripherals. Whether you're using it for work, school, or play, the HP Compaq nx8420 Notebook PC is a great choice.
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6
Specifications
This chapter provides physical and performance specifications.
Table 6-1
Computer
Dimensions
Height (front to back)
Width
Depth
Weight
Input Power
Operating voltage
Operating current
Temperature
Operating (not writing to optical disc)
Operating (writing to optical disc)
Nonoperating
Metric
2.8 to 3.3 cm
35.8 cm
25.9 cm
2.81 kg
U.S.
1.1 to 1.3 in
14.1 in
10.2 in
6.2 lbs
19.0 V dc @ 4.74 A – 90 W
4.74 A
0°C to 35°C
5°C to 35°C
-20°C to 60°C
32°F to 95°F
41°F to 95°F
-4°F to 140°F
Maintenance and Service Guide 6–1
Specifications
Table 6-1
Computer (Continued)
Relative humidity (noncondensing)
Operating
Nonoperating
Maximum altitude (unpressurized)
10% to 90%
5% to 95%
Operating (14.7 to 10.1 psia)
Nonoperating (14.7 to 4.4 psia)
Shock
Operating
Nonoperating
-15 m to 3,048 m
-15 m to 12,192 m
125 g, 2 ms, half-sine
200 g, 2 ms, half-sine
10% to 90%
5% to 95%
-50 ft to 10,000 ft
-50 ft to 40,000 ft
Random Vibration
Operating
Nonoperating
0.75 g zero-to-peak, 10 Hz to 500 Hz,
0.25 oct/min sweep rate
1.50 g zero-to-peak, 10 Hz to 500 Hz,
0.5 oct/min sweep rate
✎
Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures.
6–2 Maintenance and Service Guide
Specifications
Table 6-2
15.4-inch, WUXGA+WVA
Dimensions
Height
Width
Diagonal
Number of colors
Contrast ratio
Brightness
Pixel resolution
Pitch
Format
Configuration
Backlight
Character display
Total power consumption
Viewing angle
20.7 cm
33.1 cm
39.1 cm
Up to 16.8 million
200:1
180 nits typical
8.1 in
13.0 in
15.4 in
0.172 × 0.172 mm
1920 × 1200
RGB vertical stripe
CCFT
80 × 25
6.0 W
+/-65° horizontal, +/-50° vertical typical
Maintenance and Service Guide 6–3
Specifications
Table 6-3
15.4-inch, WSXGA+WVA
Dimensions
Height
Width
Diagonal
Number of colors
Contrast ratio
Brightness
Pixel resolution
Pitch
Format
Configuration
Backlight
Character display
Total power consumption
Viewing angle
20.7 cm
33.1 cm
39.1 cm
Up to 16.8 million
200:1
180 nits typical
8.1 in
13.0 in
15.4 in
0.197 × 0.197 mm
1680 × 1050
RGB vertical stripe
CCFT
80 × 25
7.0 W
+/-60° horizontal, +40/-50° vertical typical
6–4 Maintenance and Service Guide
Specifications
Table 6-4
15.4-inch, WXGA+WVA
Dimensions
Height
Width
Diagonal
Number of colors
Contrast ratio
Brightness
Pixel resolution
Pitch
Format
Configuration
Backlight
Character display
Total power consumption
Viewing angle
20.7 cm
33.1 cm
39.1 cm
Up to 16.8 million
200:1
180 nits typical
8.1 in
13.0 in
15.4 in
0.259 × 0.259 mm
1440 × 900
RGB vertical stripe
CCFT
80 × 25
6.5 W
+/-45° horizontal, +15/-35° vertical typical
Maintenance and Service Guide 6–5
Specifications
Table 6-5
Hard Drives
120-GB* 100-GB* 80-GB* 60-GB*
Dimensions
Height
Width
Weight
Interface type
9.5 mm
70 mm
99 g
SATA
9.5 mm
70 mm
99 g
SATA
9.5 mm
70 mm
99 g
SATA
9.5 mm
70 mm
99 g
SATA
Transfer rate
Synchronous
(maximum)
Security
100 MB/sec 100 MB/sec 100 MB/sec 100 MB/sec
ATA security
ATA security
ATA security ATA security
Seek times (typical read, including setting)
Single track
Average
Maximum
Logical blocks
†
3 ms
13 ms
24 ms
3 ms
13 ms
24 ms
3 ms
13 ms
24 ms
3 ms
13 ms
24 ms
234,436,400 195,363,650 156,301,488 117,210,240
Disc rotational speed
5400 rpm 7200 and
5400 rpm
7200 and
5400 rpm
5400 rpm
Operating temperature
5°C to 55°C (41°F to 131°F)
✎
Certain restrictions and exclusions apply. Consult Customer Care for details.
*1 GB = 1 billion bytes when referring to hard drive storage capacity. Actual accessible capacity is less.
†
Actual drive specifications may differ slightly.
6–6 Maintenance and Service Guide
Specifications
Table 6-6
DVD±RW and CD-RW Double-Layer Combo Drive
Applicable disc Read:
DVD-R, DVD-RW,
DVD-ROM (DVD-5, DVD-9,
DVD-10, DVD-18),
CD-ROM (Mode 1 and 2)
CD Digital Audio
CD-XA ready (Mode 2,
Form 1 and 2)
CD-I ready (Mode 2,
Form 1 and 2)
CD-R, CD-RW
Photo CD (single and multisession)
CD-Bridge
1.5 cm (0.59 in)
Write:
CD-R and CD-RW
DVD-R and
DVD-RW
Center hole diameter
Disc diameter
Standard disc
Mini disc
12 cm (4.72 in)
8 cm (3.15 in)
Maintenance and Service Guide 6–7
Specifications
Table 6-6
DVD±RW and CD-RW Double-Layer Combo Drive (Continued)
Disc thickness
Track pitch
Access time
Random
Full stroke
Audio output level
Cache buffer
Data transfer rate
CD-R (16X)
CD-RW (8X)
CD-ROM (24X)
DVD (8X)
DVD-R (4X)
DVD-RW (2X)
Multiword DMA mode 2
Startup time
Stop time
1.2 mm (0.047 in)
0.74 µm
CD
< 175 ms
< 285 ms
Audio-out, 0.7 Vrms
2 MB
DVD
< 230 ms
< 335 ms
2,400 KB/s (150 KB/s at 1X CD rate)
1,200 KB/s (150 KB/s at 1X CD rate)
3,600 KB/s (150 KB/s at 1X CD rate)
10,800 KB/s (1,352 KB/s at 1X DVD rate)
5,400 KB/s (1,352 KB/s at 1X DVD rate)
2,700 KB/s (1,352 KB/s at 1X DVD rate)
16.6 MB/s
< 15 seconds
< 6 seconds
6–8 Maintenance and Service Guide
Specifications
Table 6-7
DVD/CD-RW Combo Drive
DVD-ROM drive
Applicable disc Read:
DVD-R, DVD-RW,
DVD-ROM (DVD-5, DVD-9,
DVD-10, DVD-18),
CD-ROM (Mode 1 and 2)
CD Digital Audio
CD-XA ready (Mode 2,
Form 1 and 2)
CD-I ready (Mode 2,
Form 1 and 2)
CD-R, CD-RW
Photo CD (single and multisession)
CD-Bridge
1.5 cm (0.59 in)
Write:
CD-R and CD-RW
Center hole diameter
Disc diameter
Standard disc
Mini disc
12 cm (4.72 in)
8 cm (3.15 in)
Maintenance and Service Guide 6–9
Specifications
Table 6-7
DVD/CD-RW Combo Drive (Continued)
Disc thickness
Track pitch
Access time
Random
Full stroke
Audio output level
Cache buffer
Data transfer rate
CD-R (24X)
CD-RW (10X)
CD-ROM (24X)
DVD (8X)
Multiword DMA mode 2
Startup time
Stop time
1.2 mm (0.047 in)
0.74 µm
CD
< 110 ms
< 210 ms
Audio-out, 0.7 Vrms
2 MB
DVD
< 130 ms
< 225 ms
3,600 KB/s (150 KB/s at 1X CD rate)
1,500 KB/s (150 KB/s at 1X CD rate)
3,600 KB/s (150 KB/s at 1X CD rate)
10,800 KB/s (1,352 KB/s at 1X DVD rate)
16.6 MB/s
< 15 seconds
< 6 seconds
6–10 Maintenance and Service Guide
Specifications
Table 6-8
DVD-ROM Drive
Applicable disc
Center hole diameter
Disc diameter
Standard disc
Mini disc
Disc thickness
Track pitch
Access time
Random
Full stroke
Audio output level
Cache buffer
Data transfer rate
CD-R (24X)
CD-RW (10X)
CD-ROM (24X)
DVD (8X)
Multiword DMA mode 2
Startup time
Stop time
DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18)
CD-ROM (Mode 1 and 2)
CD Digital Audio
CD-XA ready (Mode 2, Form 1 and 2)
CD-I ready (Mode 2, Form 1 and 2)
CD-R
CD-RW
Photo CD (single and multisession)
CD-Bridge
1.5 cm (0.59 in)
12 cm (4.72 in)
8 cm (3.15 in)
1.2 mm (0.047 in)
0.74 µm
CD
< 100 ms
< 175 ms
Line-out, 0.7 Vrms
512 MB
DVD
< 125 ms
< 225 ms
3,600 KB/s (150 KB/s at 1X CD rate)
1,500 KB/s (150 KB/s at 1X CD rate)
3,600 KB/s (150 KB/s at 1X CD rate)
10,800 KB/s (1,352 KB/s at 1X DVD rate)
16.6 MB/s
< 15 seconds
< 6 seconds
Maintenance and Service Guide 6–11
Specifications
Table 6-9
System DMA
Hardware DMA
DMA0
DMA1*
DMA2*
DMA3
System Function
Not applicable
Not applicable
Not applicable
Not applicable
DMA4
DMA5*
DMA6
Direct memory access controller
Available for PC Card
Not assigned
DMA7 Not assigned
*PC Card controller can use DMA 1, 2, or 5.
6–12 Maintenance and Service Guide
Specifications
Hardware IRQ
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5*
IRQ6
IRQ7*
IRQ8
IRQ9*
IRQ10*
Table 6-10
System Interrupts
System Function
System timer
Standard 101-/102-Key or Microsoft Natural Keyboard
Cascaded
Intel 82801DB/DBM USB2 Enhanced Host
Controller—24CD
COM1
Conexant AC—Link Audio
Intel 82801DB/DBM SMBus Controller—24C3
Data Fax Modem with SmartCP
Diskette drive
Parallel port
System CMOS/real-time clock
Microsoft ACPI-compliant system
Intel USB UHCI controller—24C2
Intel 82852/82855 GM/GME Graphic Controller
Realtek RTL8139 Family PCI fast Ethernet Controller
Maintenance and Service Guide 6–13
Specifications
Table 6-10
System Interrupts (Continued)
IRQ11
IRQ12
IRQ13
IRQ14
IRQ15
Intel USB EHCI controller—24CD
Intel USB UHCI controller—24C4
Intel USB UHCI controller—24C7
Intel Pro/Wireless 2200BG
TI OHCI 1394 host controller
TI PCI1410 CardBus controller
Synaptics PS/2 TouchPad
Numeric data processor
Primary IDE channel
Secondary IDE channel
*Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9,
IRQ10, or none.
✎
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.
6–14 Maintenance and Service Guide
I/O Address (hex)
000 - 00F
010 - 01F
020 - 021
022 - 024
025 - 03F
02E - 02F
040 - 05F
044 - 05F
060
061
062 - 063
064
065 - 06F
070 - 071
072 - 07F
080 - 08F
090 - 091
092
093 - 09F
0A0 - 0A1
Table 6-11
System I/O Addresses
System Function (shipping configuration)
DMA controller no. 1
Unused
Interrupt controller no. 1
Opti chipset configuration registers
Unused
87334 “Super I/O” configuration for CPU
Counter/timer registers
Unused
Keyboard controller
Port B
Unused
Keyboard controller
Unused
NMI enable/RTC
Unused
DMA page registers
Unused
Port A
Unused
Interrupt controller no. 2
Specifications
Maintenance and Service Guide 6–15
Specifications
201
202 - 21F
220 - 22F
230 - 26D
26E - 26
278 - 27F
280 - 2AB
2A0 - 2A7
2A8 - 2E7
2E8 - 2EF
I/O Address (hex)
0A2 - 0BF
0C0 - 0DF
0E0 - 0EF
0F0 - 0F1
0F2 - 0FF
100 - 16F
170 - 177
178 - 1EF
1F0 - 1F7
1F8 - 200
Table 6-11
System I/O Addresses (Continued)
System Function (shipping configuration)
Unused
DMA 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
6–16 Maintenance and Service Guide
Specifications
I/O Address (hex)
2F0 - 2F7
2F8 - 2FF
300 - 31F
320 - 36F
370 - 377
378 - 37F
380 - 387
388 - 38B
38C - 3AF
3B0 - 3BB
3BC - 3BF
3C0 - 3DF
3E0 - 3E1
3E2 - 3E3
3E8 - 3EF
3F0 - 3F7
3F8 - 3FF
CF8 - CFB
CFC - CFF
Table 6-11
System I/O Addresses (Continued)
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
“A” diskette controller
Serial port (COM1/default)
PCI configuration index register (PCIDIVO-1)
PCI configuration data register (PCIDIVO-1)
Maintenance and Service Guide 6–17
Specifications
Size
640 KB
128 KB
48 KB
160 KB
64 KB
15 MB
58 MB
58 MB
2 MB
4 GB
64 KB
Table 6-12
System Memory Map
Memory Address
00000000-0009FFFF
000A0000-000BFFFF
000C0000-000CBFFF
000C8000-000E7FFF
000E8000-000FFFFF
00100000-00FFFFFF
01000000-047FFFFF
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
6–18 Maintenance and Service Guide
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Key Features
- Intel® Core™2 Duo T7600 2.33 GHz
- 39.1 cm (15.4") 1920 x 1200 pixels 16:10
- 2 GB DDR2-SDRAM
- 100 GB
- AMD Mobility FireGL V5200
- Bluetooth 2.0+EDR
- Windows XP Professional
Related manuals
Frequently Answers and Questions
How do I set up my HP Compaq nx8420 Notebook PC?
How do I troubleshoot problems with my HP Compaq nx8420 Notebook PC?
Where can I find drivers and software for my HP Compaq nx8420 Notebook PC?
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Table of contents
- 4 Contents
- 8 Product Description
- 9 1.1 Features
- 11 1.2 Resetting the Computer
- 12 1.3 Power Management
- 13 1.4 External Components
- 27 1.5 Design Overview
- 28 Troubleshooting
- 28 2.1 Computer Setup
- 28 Using Computer Setup
- 29 Selecting from the File Menu
- 30 Selecting from the Security Menu
- 31 Selecting from the Advanced Menu
- 31 Selecting from the Tools Menu
- 32 2.2 Troubleshooting Flowcharts
- 54 Illustrated Parts Catalog
- 54 3.1 Serial Number Location
- 55 3.2 Computer Major Components
- 69 3.3 Plastics Kit
- 71 3.4 Mass Storage Devices
- 73 3.5 Miscellaneous (Not Illustrated)
- 75 3.6 Sequential Part Number Listing
- 83 Removal and Replacement Preliminaries
- 83 4.1 Tools Required
- 84 4.2 Service Considerations
- 84 Plastic Parts
- 84 Cables and Connectors
- 85 4.3 Preventing Damage to Removable Drives
- 86 4.4 Preventing Electrostatic Damage
- 87 4.5 Packaging and Transporting Precautions
- 88 4.6 Workstation Precautions
- 89 4.7 Grounding Equipment and Methods
- 91 Removal and Replacement Procedures
- 92 5.1 Serial Number
- 93 5.2 Disassembly Sequence Chart
- 95 5.3 Preparing the Computer for Disassembly
- 96 5.4 Hard Drive
- 100 5.5 Computer Feet
- 101 5.6 Optical Drive
- 103 5.7 External Memory Module
- 106 5.8 Bluetooth Module
- 108 5.9 Keyboard
- 112 5.10 Fan Assembly
- 117 5.11 Heat Sink
- 120 5.12 Processor
- 122 5.13 Internal Memory Module
- 124 5.14 RTC Battery
- 125 5.15 TouchPad
- 128 5.16 Mini Card Module
- 131 5.17 Switch Cover
- 134 5.18 Display Assembly
- 138 5.19 Top Cover
- 142 5.20 Modem Module
- 144 5.21 System Board
- 151 5.22 System Board Frame
- 154 5.23 Serial Connector Module
- 156 5.24 USB/Audio Board
- 158 Specifications
- 176 Screw Listing
- 198 Software Backup and Recovery
- 206 Display Component Recycling
- 220 Connector Pin Assignments
- 226 Power Cord Set Requirements
- 230 Index