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Locate your modem in the list of devices. If a yellow exclamation point appears over the modem’s description, your modem is in
conflict with another device. Either your modem or the other device will have to be reinstalled to another IRQ in order to resolve
your conflict.
If a usable, free IRQ does not exist, you may need to remove, disable, or relocate another device. Refer to that device’s
documentation for more information about removing, disabling, or relocating it.
If Windows still fails to recognize your modem and it does not have a yellow exclamation point next to its IRQ, or if your modem
doesn’t appear in the list, another problem exists, and you may need to call 3Com Technical Support.
Windows NT
Turn off your computer and physically remove the modem. Restart your computer, and check for an available IRQ by clicking
Windows Start, Programs, Administrative Tools, and Windows NT Diagnostics. Click the Resources tab and select IRQ. Take
note of an available IRQ that your modem can use. Your modem should be jumpered to one of these IRQs (see the “Windows NT
Users” section on the other side of this Guide for more information). If there are no IRQs available, you may have to remove,
disable, or relocate another device in order to free an IRQ for use by your modem. Refer to that device’s documentation for more
information about removing, disabling, or relocating it.
Possible solution:
You may be using a COM port address that is either already in use or not configured correctly. To work properly, this modem needs to
be assigned to a free COM port.
Windows 95/98
Make sure your COM port is not already in use by another device. Click Windows Start, Settings, and Control Panel, and then
double-click Modems. Look for another modem already installed in your computer. If there is another modem installed, click the
Diagnostics tab to find out which COM port it is using. If a previously installed modem is already using the available COM port,
you should uninstall that modem. See your previous modem’s manual for uninstallation instructions.
Right-click the My Computer icon on your desktop. Click Properties. Click the Device Manager tab. Double-click Ports (COM
& LPT). If the Communications Ports have yellow exclamation points or red Xs over them, your COM ports may be configured
incorrectly. If this is the case, you may need to contact your computer manufacturer.
Summary of Contents for 3CP5613
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