INSTRUCT.TXT File
3Com Corporation
3Com Megahertz 10/100 LAN CardBus PC Card
Configuration and Diagnostic Program Information
Overview
--------
Your notebook containing the PC Card must be
running DOS or DOS-mode only to use this program.
The configuration portion of the Configuration and
Diagnostic Program allows you to change the
configuration parameters for the PC Card
to fit the your networking and notebook set up.
The diagnostic portion of the Configuration and
Diagnostic Program verifies that the PC Card
is installed correctly and functioning properly
in your notebook. The basic tests check the
physical components,connectors, and circuitry
of the PC Card and require that the PC Card be
installed in the your notebook.
The Echo tests check the PC Card's ability
to transmit data on the network and
require that the Pc Card be connected
to a network.
Running DOSDIAG.EXE Using Windows 95 or Windows 98
You must run DOSDIAG.EXE from a DOS or DOS-mode
command prompt.
1. Restart the notebook.
2. Upon restart, immediately press the <F8> key.
3. At the menu, choose "Safe Mode Command Prompt Only"
(usually #7)
If you decide to run DOSDIAG.EXE from Windows 95,
use it only to read the documentation.
Do not use it to configure the PC Card or to run
COMSLINK.EXE.
Configuring the PC Card
-----------------------
The PC Card can be configured in either
windows mode or command line mode.
To start the Configuration And Diagnostic program
in windows mode:
1. Insert the LAN Installation Disk.
2. Type DOSDIAG.EXE at the DOS prompt and
select Configuration and Diagnostic Program
on the main menu.
3. Select the Configure Adapter option in the Configuration
and Diagnostic menu.
4. Change the values and exit the program.
Command Line Mode
-----------------
The command keywords and parameters are not case-sensitive;
For example: CONFIGURE, configure, and Configure, all work.
While Command Line Parameters are included here for
completeness, use of the Command Line Mode may produce
unpredictable results.
Command Line with Explicit Parameters
-------------------------------------
Command syntax: DOSDIAG CONFIGURE [ /AUTO /IOBASE:N /INT:N
/OPTIMIZE:N /LINKBEAT:N /TOSHIBA:N ]
Each parameter must have the structure "/keyword:value" and
contain no blank spaces. For example: /iobase:300 /int:3
Command line configuration parameters are used to
configure the PC Card using only the option settings
you specify. In most cases, any combination of
parameters can be used. You can modify only a
few settings if needed.
/AUTO
The /AUTO parameter configures the PC Card
automatically based on the software's best estimate
using interpreted system information.
/IOBASE
I/O Base Address
Possible values - 3000,3040,3080,30C0,3100,3140,3180,31C0
3200,3240,3280,32C0,3300,3340,3380,33C0
3400,3440,3480,34C0,3500,3540,3580,35C0
/INT
Interrupt Level
Possible values - 5,7,9,10,11,12
/OPTIMIZE
Network Driver Optimization
Possible values - NORMAL (DOS), MAXIMIZED (Windows environment)
MIMIMIZED (Server). Default is Maximized.
/LINKBEAT
Link beat disable/enable (pre-10BASE-T standard only)
Possible values - ENABLE, DISABLE
NOTE: Try this setting ONLY if pre-10BASE-T standard hubs
are in use.
/TOSHIBA
Toshiba Burst mode disabled or enabled
Possible values - BURST, NOBURST
If you are using an older Toshiba notebook,
using /TOSHIBA: NOBURST may increase performance.
Diagnostic
----------
The diagnostic tests are only available in full-screen mode.
1. To run the diagnostic tests, enter:
DOSDIAG
2. Select Configuration and Diagnostic Program
on the main menu.
3. Select the Diagnostic Tests option on the
Configuration and Diagnostic menu.
4. Follow the instructions to run the tests.
Further Assistance
------------------
If the PC Card fails any of the diagnostic tests,
see the TROUBLE.TXT file in the \HELP directory
on the LAN Installation Disk for troubleshooting
procedures.
The SUPPORT.TXT file in the \HELP subdirectory
on the LAN Installation Disk provides information
about obtaining product support for the adapter.
3Com and Megahertz are registered trademarks of 3Com
Corporation. All other trademarks are the property
of their respective owners.
%VER 1.000.003
Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.