Installing Drivers under Windows NT 4.0
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In order to install the correct driver for your 3Com modem under
Windows NT 4, you first need to identify your modem's model number.
To find your modem's model number:
1. Remove your computer's cover and remove the modem from its slot.
2. Locate the small white sticker attached to the phone cable
connector. The label has a bar code and several sets of numbers
printed on it.
3. The middle of the label will have an eight digit number starting
with "66" - the next four digits of this number is your modem's
model number.
To install the Windows NT 4 driver for your modem, insert the CD-ROM
and run the SETUP.EXE program from the folder corresponding to your
modem's model number plus the letters "NT." For example, if your
modem's model number is 2975, run the SETUP.EXE program found in the
2975NT folder.
If you have model number 1749 or 1787, there is no SETUP.EXE program.
The driver files for these two models are in the main directory of
the CD-ROM. When adding the modem to your system using the MODEMS
applet in the Control Panel, indicate that you have a driver disk
and point the system to the CD-ROM.
For further information about modem installation, please check the
modem manual located elsewhere on this CD-ROM.
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.