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Cannot initiate COM1

Posted on 2003-02-26
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Last Modified: 2013-12-27
Hello,

  I have a problem trying to access my COM1. When I typed "MODE COM1 /status" it says that the device COM1 is not currently available. Next I checked the device manager but it has no conflict with COM2. COM1 has the address 03f8 IRQ4 while COM2 is 02f8 IRQ3. I have also checked the BIOS and both COM ports are enabled. I am using Siemens TC35 on Windows 2000. When i change to COM2, the modem works fine. But the problem is that I have another computer that only has COM1 and is experiencing the same problem. Is there any way of accessing COM1 in Windows 2000?
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Question by:sunslinger
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4 Comments
 

Expert Comment

by:Cellaman
ID: 8037630
Your IRQ's are normal for both COM ports. As long as device manager says that there is no conflicts then things should be ok with the software/setup side of things.
The first thing I would try is to get something simple like a known working serial mouse and to try that in the COM ports. Windows doesn't need any fancy drivers for a standard serial mouse so if the mouse doesn't work it would point to be an actual hardware problem.
Have you tried any device in both of these systems that hasn't worked? Could it have "blown" both these ports if it was faulty?
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Author Comment

by:sunslinger
ID: 8069676
I have solved the problem. This is how it goes:

1. Under Device Manager, open up the properties of COM1
2. Click on the "Resources" tab
3. Uncheck the "Use automatic settings"
4. Next, run the cmd.exe
5. Type in MODE COM1 9600

Done!
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