HP Compaq NC4000 User Manual

Contents
Hardware and Software Guide vii
11 Wireless (Select Models Only)
Wireless Local Area Network (Select
Models Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11–4
Connecting Your Wireless Notebook to
a Corporate WLAN. . . . . . . . . . . . . . . . . . . . . . . . . 11–5
Connecting Your Wireless Notebook to
a Public WLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . 11–5
Setting Up a WLAN in Your Home . . . . . . . . . . . . 11–6
Using a WLAN Connection . . . . . . . . . . . . . . . . . . 11–7
Using Wireless Security Features. . . . . . . . . . . . . . 11–8
Installing Wireless Software (Optional) . . . . . . . . . 11–8
Troubleshooting Wireless Devices . . . . . . . . . . . . 11–10
Bluetooth (Select Models Only) . . . . . . . . . . . . . . . . 11–11
Device Power States. . . . . . . . . . . . . . . . . . . . . . . . . . 11–13
Turning On the Devices . . . . . . . . . . . . . . . . . . . . 11–15
Turning Off and Disabling the Devices . . . . . . . . 11–16
Infrared Communications . . . . . . . . . . . . . . . . . . . . . 11–17
Setting Up an Infrared Transmission . . . . . . . . . . 11–18
Using Standby with Infrared. . . . . . . . . . . . . . . . . 11–18
Mobile Printing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11–19
12 Security
Security Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–1
Security Preferences in Computer Setup . . . . . . . . . . . 12–4
Passwords. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–4
HP and Windows Passwords . . . . . . . . . . . . . . . . . 12–5
HP and Windows Password Guidelines . . . . . . . . . 12–6
HP Administrator Passwords . . . . . . . . . . . . . . . . . . . . 12–7
Setting HP Administrator Passwords . . . . . . . . . . . 12–8
Entering HP Administrator Passwords . . . . . . . . . . 12–9
Power-On Password. . . . . . . . . . . . . . . . . . . . . . . . . . . 12–9
Setting a Power-On Password. . . . . . . . . . . . . . . . . 12–9
Entering a Power-On Password . . . . . . . . . . . . . . 12–10
Requiring a Power-On Password at Restart . . . . . 12–11

HP Compaq NC4000 Specifications

General

Processor cache	1 MB
Processor model	-
Processor frequency	1.4 GHz
Processor cache type	L2
Processor front side bus	400 MHz
Processor core voltage (AC)	0.956 - 1.388 V
HDD speed	5400 RPM
HDD interface	Ultra-ATA/100
Optical drive type	No
Card reader integrated	Yes
Total storage capacity	40 GB
Compatible memory cards	SD
Number of HDDs installed	1
Pixel pitch	0.264 x 0.264 mm
Display diagonal	12.1 \
Display brightness	130 cd/m²
Display resolution	1024 x 768 pixels
Native aspect ratio	4:3
Display number of colors	16.78 million colors
Type	PC
Modem speed	56 Kbit/s
Power supply type	AC/DC
Power requirements	90 - 264V, 47/63Hz
Wireless technology	Wi-Fi
Graphics card family	AMD
Compatible operating systems	Windows XP
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Memory slots	2x SO-DIMM
Internal memory	0.25 GB
Internal memory type	DDR-SDRAM
Maximum internal memory	1 GB
Audio system	PS
Pointing device	Touchpad
Cabling technology	10/100/1000Base-T(X)
Networking features	Gigabit Ethernet
Operating system installed	Windows XP Professional
TV-out type	S-Video
Charging port type	DC-in jack
USB 2.0 ports quantity	2
Firewire (IEEE 1394) ports	0
Cable lock slot type	Kensington
AC adapter power	65 W
Number of battery cells	6
Operating shock	40 G
Operating altitude	0 - 3048 m
Non-operating shock	240 G
Operating vibration	0.5 G
Non-operating altitude	0 - 9144 m
Non-operating vibration	1 G
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	10 - 35 °C
Storage relative humidity (H-H)	5 - 90 %
Operating relative humidity (H-H)	10 - 90 %
Certification	UL, CSA, VDE/TUV
Product color	Black, Silver
Country of origin	China

Weight and Dimensions

Depth	233.7 mm
Width	279.4 mm
Height	27.9 mm
Weight	1590 g