Issue with Serial Cable

ernie · Joined: 16 Feb 2006 Posts: 196

I am running Windows 98 and using HyperTerminal to access some devices through serial port. Now I have a problem because I can not access that devices. I am suspecting some issue with serial cable, but I am not sure about that. The problem began when I installed modem. After that I was unable to connect through serial cable. I plug out modem hoping it will restore functionality but that did not happen. Do you have any ideas what could be the problem - serial cable or something else?

portie · Joined: 30 Jan 2006 Posts: 209

You should try to eliminate possibility of serial cable faulty. You can do that easily by trying it on some other computer or other port. If cable is OK (and I assume it is) then problem is with modem. There are two COM ports on your computer and driver for modem often create virtual COM port like COM3 and attach device on it. To avoid IRQ conflict with real COM ports driver sometimes disables that port (most commonly COM1). You can enter BIOS and enable again COM port or uninstall modem driver if you are not going to use it.

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Issue with Serial Cable

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