3Com Corporation
3Com Megahertz 10/100 LAN CardBus PC Card 
Windows for Workgroups Driver Installation Instructions

This document contains instructions for both the 
NDIS 3 and NDIS 2 network driver installation.

NDIS 3 DOS Enhanced-Mode Driver Installation Instructions
To install the NDIS 3 DOS enhanced-mode driver 
(ELPC575.386) for WFW, follow these steps:

1.  Using the Windows menu, select Network.

2.  Select Network Setup.

3.  In the Network Setup dialog box, 
    select the Networks... button.

4.  Select Install Microsoft Windows Network 
    and then click OK.

5.  Select the Drivers... button.

6.  In the Network Adapters dialog box, click Add Adapter. 
    A dialog box appears, listing the supported network adapters. 

7.  Select Unlisted Or Updated Network Adapter, and click OK.

8.  Insert the LAN Installation Disk in drive A and enter:
    A:\NDIS2

9.  Click OK.

10. On the list of network adapters, select 
    "3Com Megahertz 10/100 LAN Cardbus PC Card"
    and click OK. 

11. To accept default configuration, in the Network 
    Drivers dialog box, click Close and click OK. 

12. When prompted, supply your user name, workgroup
    name, and computer name and click OK.

13. You are asked to provide the NDIS.386 file
    located on Disk 7.

    You may also be asked to supply Disk 8 for
    additional network information.

14. When you are prompted for ELPC575.DOS, put the
    Installation Disk in the floppy drive and enter the
    path to A:\NDIS2.

    You will be asked to provide Disk 8 again.

15. If the "SYSTEM.INI and PROTOCOL.INI have been modified" 
    message appears, click OK.

    A message appears, prompting you to restart your PC. 

16. Click Restart Computer.  
    The network driver installation is complete.
    You have network access when the notebook restarts. 


Installing the 16-bit DOS Real-Mode Driver for WFW

To ensure support for WFW v3.11, 3Com includes a 
16-bit NDIS 2.0 driver. This driver offers full support 
for WFW, but may affect notebook performance. 

To resolve this deficiency with WFW 3.11, 
you may want to upgrade your operating system. 

If you installed any other network 
adapter or network driver in the notebook, 
consult your MIS department for 
further instructions.

To install the NDIS 2.0 16-bit real-mode 
driver for WFW, follow these steps. 

1.  Using the Windows menu, select Network.

2.  Select Network Setup.

3.  In the Network Setup dialog box, 
    select the Networks... button.

4.  Select Install Microsoft Windows Network 
    and then click OK.

5.  Select the Drivers... button.

6.  In the Network Adapters dialog box, click Add Adapter. 

    A dialog box appears, listing the supported 
    network adapters on the diskette. 

7.  From the list of network adapters, select 
    Unlisted Or Updated Network Adapter, 
    and click OK.

8.  Insert the LAN Installation Disk in drive A and enter:
    A:\MSLANMAN.DOS\DRIVERS\ETHERNET\ELPC575

9.  Click OK.

10. Select FE575C-3Com 10/100 LAN CardBus -Fast Ethernet 
    and click OK.

11. In the Network Adapters dialog box, click Close. 

12. In the Network Setup dialog box, click OK.

13. If prompted, supply the requested information. 

14. After you enter the information, click OK.
    A message appears, prompting you to restart your PC. 

14. Click Continue instead. 

15. Follow the prompts to complete the installation.
    The driver installation is complete.

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