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Trouble with COM port in DOS aplication on Windows XP

Posted on 2003-03-22
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Last Modified: 2010-04-03
I have a DOS aplicattion. It is intaled on Windows XP. There is a harware key on COM 1. This key reading removable EEprom. If it's intalled on W95/98 it was OK. Are There any special options COM ports in Windows XP?
My english is not good. Thank you.
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Question by:mikes78
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dimitry earned 80 total points
ID: 8187975
You can't use DOS application in WinXP to access COM1 in your case. It seems like it tries to access COM1 port directly through I/O commands and this is prohibited in WinXP, Win2000 and WinNT4.
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by:msa2003
ID: 8197427
Windows NT/2000/XP doesn't allow the DOS-based programs to access hardware ports directly. So, you shouls install MS-DOS-based environment (such as Win98/Me) in addition to WinXP to have the opportunity to run such programs.
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by:msa2003
ID: 8197431
Maybe the good solution is to boot from Win98 rescue disk to run the program.
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by:LucF
ID: 10304509
mikes78,
No comment has been added lately (321 days), so it's time to clean up this TA.
I will leave a recommendation in the Cleanup topic area for this question:

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