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Com port confusion

Trish's Escape from Hardware Hell Help Board » Hardware » Networking, Modems and Connectivity » Com port confusion « Previous Next »

Author Message
roxytoxy
Posted on Sunday, September 24, 2000 - 4:13 pm:   

Hi ! I am new to the world of PC hardware and I was hoping for some help from all you smart computer whizzes out there. I'm having a problem trying to figure out and understand COM ports. I have a laptop computer with a PCMCIA socket - well there are actually 2 sockets. This computer came equipped with a 3Com modem + LAN PCMCIA card which was plugged into Socket 1. There was an open socket 2 which I assumed was for any additional modems / LAN cards that I might wish to install. The original modem card was very slow so I decided to install another 56Kbps modem PCMCIA card into the additional Socket 2 while retaining the original modem+LAN card which came installed in Socket 1. I wanted to find out which COM port this Socket 2 card use so that I configure this when I install the hardware and the drivers using the Add Hardware applet in the Control Panel. But how do I find out which COM port is connected to which socket ? As far as I know, there are only 2 COM ports - Com1 and Com2. When I checked the device settings on the original modem+LAN PCMCIA card it was using Com3. How in the world does COM3 come into the picture ? Is COM3 a physical COM port on the motherboard ? I hear of people adding additional COM ports ? How and why is this done ? Is there any particular website that could give me complete info about how ports work and how you can add ports ?
win
Posted on Monday, September 25, 2000 - 11:21 am:   

http://www.firmware.com/support/bios/comports.htm
http://www.anzio.com/support/tsserial.htm
http://www.jimthompson.net/pilot/Tips/COM%20Ports.htm
http://www.spcug.org/reviews/bl9701.htm
http://www.zoltrix.com/support/CONFLICT.HTM
http://www.mfm.com/support/manuals/pcawrg42/pcawr493.htm
http://www.dunrockin.freeserve.co.uk/com.htm
http://support.microsoft.com/support/kb/articles/q123/9/92.asp

these should give you an idea of what's involved and/or, what to do.

have fun!

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