INTERNAL MODEM INSTALLATION WITH WINDOWS 3.X9If you do have a sound card, useCOM2/IRQ3. To use this setting, you have tofirst disable your computer’s second serial port(COM2). This is a pronged socket on theback of your computer.• Turn off your computer and unplug it fromthe electrical outlet.• Refer to your computer manufacturer’smanual to find out which socket on theback of your computer is the second serialport.• If you have something plugged into thatport, find out if you can plug it insomewhere else. Any accessory pluggedinto that port will not work after the porthas been disabled.• Refer to your computer manufacturer’smanual to find out how to disable the COMport.• Then return to this point in this manual tocontinue.After disabling COM2, you can use theCOM2/IRQ3 setting.Write down “COM2” and “IRQ3” and go to“How to Change the Modem’s Settings” onpage 10.If ComTest reports that You do not haveany available COM ports and/or IRQsWe recommend you disable COM1 orCOM2. When you disable one of these COMports, you can use it and its default IRQ foryour modem.
