patchAVR Downloader/UploaDEr - Patches: patch #6609, Using PCI parallel port cards on...


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patch #6609: Using PCI parallel port cards on Windows

Submitted by:  Rene Liebscher <rliebscher>
Submitted on:  Sun 10 Aug 2008 07:22:04 PM UTC  
Category:  None Priority:  5 - Normal
Status:  Done Privacy:  Public
Assigned to:  Joerg Wunsch <joerg_wunsch> Open/Closed:  Closed

Wed 05 Nov 2008 09:06:38 PM UTC, comment #1: 

I ended up implementing a slightly different algorithm: if
the port name provided doesn't match any of lpt1/2/3, try
interpreting as the address.  If that works (i.e. the entire
string can be converted into a number), use it.

I don't think there's any point in mentally restricting the
feature to just PCI cards; back in the old ISA days, there
have been cards around that could be jumpered to various
"odd" addresses as well.

Joerg Wunsch <joerg_wunsch>
Project AdministratorIn charge of this item.
Sun 10 Aug 2008 07:22:04 PM UTC, original submission:  

This patch allows to specify the base address of a PCI parallel port card as port parameter. This way you can use such cards with avrdude.

Using the base address was also explained at the mailing list ( and it got a positive confirmation that it works. (

The patch still relies on the user to find out the base address of his hardware.

The patch also includes the necessary changes for the documentation.

Rene Liebscher <rliebscher>
Project Member


Attached Files
file #16271:  PCI_parallel_port.patch added by rliebscher (2KiB - application/octet-stream)


Depends on the following items: None found

Items that depend on this one: None found


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  • -email is unavailable- added by joerg_wunsch (Posted a comment)
  • -email is unavailable- added by rliebscher (Submitted the item)

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    Follow 4 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2008-11-05 joerg_wunsch StatusNone => Done
        Assigned toNone => joerg_wunsch
        Open/ClosedOpen => Closed
    2008-08-10 rliebscher Attached File- => Added PCI_parallel_port.patch, #16271

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