Compaq d330 - Desktop PC User manual

Network & Internet
Communications Guide
Business Desktops
Document Part Number: 312968-001
February 2003
This guide provides definitions and instructions for using network
interface controller (NIC) features that are preinstalled on select
models. It also provides information about Internet Service Providers
and solving Internet access problems.

© 2002 Hewlett-Packard Company
© 2002 Hewlett-Packard Development Company, L.P.
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Network & Internet Communications Guide
Business Desktops
First Edition (February 2003)
Document Part Number: 312968-001

Network & Internet Communications Guide www.hp.com iii
Contents
1 Network Communications
Ethernet Network Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
NIC-Based Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–3
Wake-On-LAN Support (WOL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–3
Interpreting the Network Status Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–4
Disabling 802.3u Auto-Negotiation Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–5
Installing Network Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–7
2 Internet Communications
Choosing an Internet Service Provider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
Content Advisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2
Restricting Internet Content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2
Solving Internet Access Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–4

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1
Network Communications
The following items are covered in this section:
■Ethernet Network Structure
■Network Interface Controller (NIC)-Based Alerts
■Wake-On-Lan (WOL) Support
■Interpreting the Network Status Lights
■Disabling the Autosensing Capabilities
■Installing Network Drivers
This section provides information about Ethernet networks and the
hardware connectors and software device drivers that allow you to
access an Ethernet network. Access to a computer network
immediately increases your productivity potential. Once the network
connection is active, you can share resources, such as a printer,
exchange information from computer to computer, and run common
software programs.
The computer comes network-ready, which means that it has an
integrated network controller and network device drivers already
loaded onto the computer hard drive. The computer is ready to make
the network connection.

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Network Communications
Ethernet Network Structure
All Ethernet networks include some combination of the following
elements:
Ethernet Network Structure
Refer to the Hardware Reference Guide for network connector
identification and connection instruction.
1Ethernet cable 3Drop cables
2Information packets 4Workstations

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Network Communications
NIC-Based Alerts
Some NICs feature Alerting Capabilities, which allow a system
administrator to monitor the computer over the network remotely. The
computer can send hardware and operating system alerts over the
network before the operating system is loaded, while the operating
system is loaded, while the computer is in low power states, and when
the computer is powered off. Depending on the NIC model, these
alerts may include:
■System BIOS hang
■Operating system hang
■Processor missing
■Operating temperature exceeded
■Chassis intrusion
■Watchdog
■Heartbeat monitoring
✎NICs featuring Alerting Capabilities comply with Alert Standard
Format (ASF) specification 1.0. RMCP events are not supported due
to lack of security in the ASF 1.0 specification.
NIC-Based Alerts are enabled and configured by installing the
ASF 1.0 agents for the NIC you are using. These are available at
http://www.hp.com. ASF alerts can also be enabled and configured
using DMI or CIM.
Wake-On-LAN Support (WOL)
Wake-On-Lan (WOL) can be enabled and disabled in Windows 2000
and Windows XP.
To enable or disable Wake-On-Lan:
Windows 2000
1. Select Start > Settings > Control Panel.
2. Double-click Network Dial-up Connections.

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Network Communications
3. Double-click Local Area Connection.
4. Click Properties.
5. Click Configure.
6. Click the Power Management tab, then select or clear the check
box to Allow this device to bring the computer out of standby.
Windows XP
1. Select Start > Control Panel.
2. Double-click Network Connections.
3. Double-click Local Area Connection.
4. Click Properties.
5. Click Configure.
6. Click the Power Management tab, then select or clear the check
box to Allow this device to bring the computer out of standby.
✎For more information on Wake-On-LAN, refer to the online Desktop
Management Guide or to the Remote Management Administrators
Guide. The Remote Management Administrators Guide is included
with the Remote Management Setup Utilities and is available on the
Support Software CD or at http://www.compaq.com.
✎For information on filtering out unintentional Wake-On-LAN events,
refer to any additional documentation provided for the NICs
advanced diagnostics/configuration utility.
Interpreting the Network Status Lights
Select Ethernet network interface controllers include network status
lights:
■Link light—illuminates when the system is physically connected
to an active network.
■Activity light—illuminates when the computer detects network
activity. When the system is connected to a highly used
network, the activity light will remain on almost constantly.

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Network Communications
■Operating Speed light—illuminates during 1000 Mbps or
100 Mbps operation. The color of the light identifies the
operating speed.
Some NICs include only two network status lights where link
(light on) and activity (light blinking) are indicated by one light and
1000-Mbps or 100-Mbps operation is indicated by the second light.
The integrated NIC has two network status lights on the NIC
connector:
■Link/Activity light—Illuminates green when physically linked to
the network and blinks on and off to indicate network activity.
■Operating Speed light—Illuminates green when operating at
1000 Mbps, yellow when operating at 100 Mbps, and is not
illuminated when operating at 10 Mbps.
Disabling 802.3u Auto-Negotiation Capabilities
Auto-Negotiation NICs automatically determine the maximum
network operating speed and duplex capabilities of the attached
network and configure themselves on the highest common
combination. The computer begins Auto-Negotiation whenever it
obtains a valid network link, or when the NIC driver is loaded.
In addition to determining the network operating speed, the computer
determines if full-duplex is supported. Full-duplex systems can
transmit and receive information on the network simultaneously.
Half-duplex systems cannot transmit and receive simultaneously.
If necessary, you can disable the Auto-Negotiation capabilities and
force the system to operate in one mode only.
Windows 2000
1. Select Start > Settings > Control Panel.
2. Double-click Network Connections.
3. Double-click Local Area Connection.
4. Click Properties.
5. Click Configure.
6. Click the Advanced tab.

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7. Select Link Speed/Duplex Mode in the Property list box.
8. Change the speed and duplex values to the appropriate values,
depending on the capabilities of the network.
9. Click OK. You may be prompted to restart the computer for the
changes to take effect.
Windows XP
1. Select Start > Control Panel.
2. Double-click Network Connections.
3. Double-click Local Area Connection.
4. Click Properties.
5. Click Configure.
6. Click the Advanced tab.
7. Select Link Speed & Duplex in the Property list box.
8. Change the speed and duplex values to the appropriate values,
depending on the capabilities of the network.
9. Click OK. You may be prompted to restart the computer for the
changes to take effect.
Refer to the documentation provided with the network controller for
additional information.
✎100Base-TX and 1000Base-Tx operation requires the use of Category
5 UTP cable with an RJ-45 network connection.