Diagnostics and Troubleshooting

This topic contains supplementary diagnostics and troubleshooting information for PRO/100 S and R Mobile Adapters. This supplementary information is intended for users or network administrators who are already familiar with PRO/100 S and R Mobile Adapters and documentation, and who have run into difficulties after having completed the appropriate installation and troubleshooting procedures for their operating environment.

The following topics are covered.

Additional Sources of Information

Consult your computer and network documentation as needed. For the latest technical notes on PRO/100 Mobile Adapters, see the Mobile Release Notes on the Intel Installation CD.

See Intel Support Services for additional information.

LED Indicators

PRO/100 S Type II Adapters, With Cables

The LEDs are located in the cable connector housing, just below the Intel logo. See the diagrams below.

PRO/100 S Mobile Adapter LAN Type II Connector and LEDs

PRO/100 S Mobile Adapter modem Type II connector and LEDs

PRO/100 SR Type III Mobile Adapters, Without Cables

The LEDs are located on the left front of the adapter, above the Intel logo. Refer to the bottom of the adapter to identify LED function.

Using Intel PROSet II

PROSet II is a control panel utility that lets you test Intel network adapters and configure standard and advanced features. You can install PROSet II using the Intel® PRO Intelligent Installer on the Intel CD. After installing PROSet II and restarting the computer, you'll see an icon for PROSet II in the system tray and in the Control Panel.

Troubleshooting Checklist

Changing Driver Parameters

For Windows installations, use PROSet II to modify driver parameters such as network speed, duplex, and other advanced settings. In most cases, the default settings for these parameters are best and do not need changing.  See Using Intel PROSet II.

Modem Installation Troubleshooting

Review this section if any of the following problems occur:

It may be necessary to define a modem type within your communications application. If the Intel modem is not listed, choose a "Generic Hayes compatible" device.

If your computer is equipped with an infrared communications port, you may need to disable this port. Such ports often use COM port resources required for other communications devices. Disable the infrared port both in the computer's CMOS or BIOS setup program and the Windows 95 Device Manager as follows:

  1. Some computers use a hardware setup utility to configure the infrared port in the BIOS. See your computer documentation.

  2. To disable the infrared communications port in Windows 95, go to the Device Manager tab under System in the Control Panel.

  3. Double-click the Ports (COM & LPT) entry and the IR Serial Port entry. Check the Disable in this Hardware Profile option to disable the device.

  4. You may also need to comment on any "device=" lines containing TRANXIT and in the SYSTEM.INI file. Use a semicolon at the beginning of the line to comment out the line.

Use the Modem Diagnostics Tool to verify the computer-to-modem interface as follows:

  1. In the Modems option in Control Panel, click Diagnostics.

  2. In Diagnostics properties, highlight the COM port associated with the Intel modem and click the More Info button.
    This causes Windows 95 and 98 to send commands to and read responses from the modem, and to display information about the modem and its COM port. The Port Information box should display the following information:

  • The IRQ and I/O address of the modem's COM port. These should match the physical configuration of the port or modem adapter.

  • Modem responses to various AT commands. The Intel modem may return ERROR for some AT commands that are not supported. This does not indicate a failure.

  1. The Record a Log File option within the Modems option can also help identify modem problems by recording modem commands and responses in a MODEMLOG.TXT file. To create the MODEMLOG.TXT file, go to Control Panel, Modems, Properties, Connection, Advanced. In the Advanced Connection Settings window, place a check mark in the Record a log file option box. A MODEMLOG.TXT file will be created in the C:\WINDOWS directory the next time the modem is used.

    For further diagnostics, use the Modem Test utility installed under the Custom installation using the Intel® PRO Intelligent Installer. Be sure the Intel® PRO/100 Mobile Modem Utilities Configuration Tool component was all configured for installation on the local drive. After installation, the modem utilities are accessible using Start > Programs > Intel(R) PRO-100 Mobile Modem Utilities.


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