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October 31st, 2003, 05:06 PM
#1
open serial port
On my laptop, some mysterious program is opening Com1. Does anyone know of a good tool that will report who has the port open? Anything that I can do to open the port before anything else tries (ie on bootup) and see if I can at least get the program to complain that it is already open?
Computer is running Win2k sp3
I've tried changing the port and IRQ to to Com2 and I was able to access the port for one boot up. Next time I booted, I couldn't open it again.
Thanks for any insight
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October 31st, 2003, 05:20 PM
#2
Driver Terrier
What processes do you you have running?
Right click the task bar - task manager, processes tab.
Never, ever approach a computer saying or even thinking "I will just do this quickly."
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November 3rd, 2003, 05:21 PM
#3
nothing out of the ordinary, I've shut down any/all processes that it will let me, and made sure that no unknown services were running. If I change my IRQ setting, I can use the port until I reboot. No program complains nothing... very odd. Everytime I need it now, I just change the IRQ.
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November 3rd, 2003, 05:29 PM
#4
Banned
Originally Posted by hey__me
nothing out of the ordinary, I've shut down any/all processes that it will let me, and made sure that no unknown services were running. If I change my IRQ setting, I can use the port until I reboot. No program complains nothing... very odd. Everytime I need it now, I just change the IRQ.
Well, it obviously works, so, any communication type programs installed that you don't use: fax\pcanywhere\laplink types?
Also, out of curiosity, which serial port 1 or 2?
Do you have a modem?
If so what is it?
Have you tried looking in bios to see if you can manually set your serial ports?
And if you do so, what happens then?
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November 3rd, 2003, 05:53 PM
#5
Banned
SisoftSandra: will give info on ports and usage.
http://www.sisoftware.co.uk/
Also, I would like to know what you are having a problem with.
In other words you posted this in modems,etc drivers forum.
Anything that I can do to open the port before anything else tries (ie on bootup) and see if I can at least get the program to complain that it is already open
I don't know of anything other than a proper config, but someone else here might.
What program is actually complaining?
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November 4th, 2003, 01:20 PM
#6
Anything that I try using the port with. Including Hyperterminal. I couldn't find a forum that dealt with com port issues, so I figured this was the closest one.
Thanks for the help
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November 18th, 2003, 06:40 AM
#7
still not having much luck
still haven't found the program tieing up the port, however, I did find a way around for now. As long as I change the irq setting after I boot up, and don't reboot any software that I need to use the com port will work.
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November 18th, 2003, 07:26 AM
#8
Geezer
My words of wisdom on this one are 'chipset patches present ?'
IRQ allocation is done initially by bios then windoze kicks in & dependant on o/s then does things one of two ways ... this appears to be w2k, so that'd be using ACPI bios (but can you confirm that it was on & thus windows is doing it this way, when it was installed) , so its either chipset patches or a 'faulty' bios (I put faulty in quotes as it means its not designed for ACPI under w2k/xp rather than bust )
Mismatched allocations is not at all unusual at all, & very often produces symptoms just like these ...All that 'it works until I reboot' stuff seems to confirm this to me.
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