Compaq Compaq Evo D310 MT Instrucciones de instalación y mantenimiento

Network Communications Guide

Evo Desktop Family

Evo Workstation Family

Document Part Number: 177922-004

May 2002

This guide provides definitions and instructions for using network

interface controller (NIC) features that are preinstalled on select

desktop and workstation models.

Compaq, the Compaq logo, and Evo are trademarks of Compaq Information

Technologies Group, L.P.

Microsoft, MS-DOS, Windows, Windows NT, Windows 98, Windows 2000,

Windows XP Professional and Windows XP Home are trademarks of Microsoft

Corporation.

Intel, Pentium, Intel Inside, and Celeron 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.

ÅWARNING: Text set off in this manner indicates that failure to follow

directions could result in bodily harm or loss of life.

ÄCAUTION: Text set off in this manner indicates that failure to follow

directions could result in damage to equipment or loss of information.

Printed in the U.S.A.

Network Communications Guide

Evo Desktop Family

Evo Workstation Family

Fourth Edition May 2002

Document Part Number: 177922-004

Computer Setup (F10) Utility Guide iii

Contents

Network Communications Guide

NIC-Based Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Wake-On-LAN Support (WOL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Interpreting the Network Status Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Disabling 802.3u Auto-Negotiation Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Installing Network Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Network Communications Guide 1

Network Communications Guide

The following items are covered in this guide:

■NIC-Based Alerts

■Wake-On-Lan (WOL) Support

■Interpreting the Network Status Lights

■Disabling the Autosensing Capabilities

■Installing Network Drivers

NIC-Based Alerts

Some NICs feature Alerting Capabilities, which allows a system

administrator to remotely monitor the computer over the network.

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

2Network Communications Guide

Network Communications Guide

✎NIC-Based Alerts are enabled by installing the Alert on LAN agents

from Intel. These are available at the Compaq Web site at

www.compaq.com.

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:

1. Select Device Manager > NIC > Properties.

2. Select Power Management tab.

3. Select or de-select Allow this Device to Bring the Computer

out of Standby.

Or,

Run Computer Setup and select F10 and enter Compaq

BIOS > OFF.

✎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 for Compaq Desktop, Portable, and

Workstation Products or at the Compaq Web site at www.compaq.com.

✎For information on WOL filtering, refer to any additional

documentation provided for the NIC’s advanced

diagnostics/configuration utility.

Interpreting the Network Status Lights

Select Ethernet network interface controllers include network status

lights:

■The link light illuminates when the system is physically

connected to an active network.

Network Communications Guide 3

Network Communications Guide

■The 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.

■The 100Base-TX light illuminates during 100-Mbs operation.

Some NICs include only two network status lights where link (light

on) and activity (light blinking) are indicated by one light and

100-Mbs operation is indicated by the second light.

✎The integrated NIC on EVO computers has two network status lights

on the NIC connector:

■Link light/Activity (Green)—Illuminates green when physically

linked to the network and blinks on and off to indicate network

activity.

■100Base-TX/10TX (Amber)—Illuminates amber when operating

at 100-Mbs and is not illuminated when operating at 10-Mbs.

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.

1. Select the Network icon, located in the Control Panel.

2. Select the appropriate NIC in the list box and click Properties.

4Network Communications Guide

Network Communications Guide

3. Change the Speed and Duplex values from Automatic/Auto

Duplex to the appropriate values, depending on the capabilities

of your network.

4. Exit the Network control application. You will be prompted to

restart your computer for the changes to take effect.

Refer to the documentation provided with the network controller for

additional information.

✎100Base-TX operation requires the use of Category 5 UTP cable with

an RJ-45 network connection.

Installing Network Drivers

The device drivers for the network controller enable the drivers to

load correctly in the operating system used, allowing communication

with the network.

✎Device drivers are supplied for the Microsoft Windows NT 4.0 and

Windows 98 or later operating systems, depending on the computer

model. If you are using another operating system, device drivers may

be installed from media included with the network operating system

or are available from Compaq. If reinstallation of the operating

system ever becomes necessary, use the Compaq Restore CD.

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