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Redirect I/O from 0x378 to another I/O for a PCI-addin parallel card

Posted on 2009-02-16
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Last Modified: 2012-05-06
I have a legacy application that will only allow you to choose one of three standard I/O (0x378 being one) to communicate with its corresponding device. I have a PC with no parallel port that we added a port to. The port's I/O address is in the 900 range and can be change a little, but not to any of the one the application wants. There is no option in the BIOS to set the PCI slot addess.

Is there any way, either through a virtual machine, or a command line, etc. to redirect the data coming to and from the progam to the add-on card?
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Question by:sflesch
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by:lbertacco
ID: 23649851
How did you try to change the port range?
Have you tried to change the port range from Safe Mode?
- Once you are in Safe Mode go to Device Manager by right-clicking on My Computer then Properties then click the Device Manager tab.
- In Ports COM and LPT, do you have just your add-in parallel or also others? Anyway double-click your addin Parallel and enter resources. Click Set Configuration Manually and then uncheck Use Automatic Settings.
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by:sflesch
ID: 23651732
I can try safe mode, but all the configuration options are either greyed out, or will only let me choose addresses in the 900 or so range.
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by:_
ID: 23655757
You could try one of the Generic Drivers from MS.
Use the Choose Driver from List option to see all parallel port drivers. There are several ways to get there, but Update driver in Device Manager is as good as any.
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sflesch earned 0 total points
ID: 23783470
I tried the above solutions, but couldn't get the card to one of the three ports the program had as options. In the end, even though the port addresses were in a radial style choice box, there is an entry in the registry where the program looks to get the port address and you can make that whatever you choose. I was able to choose change it to one of the addresses of the ports to get it to work.

Thanx,
Sean
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