FreeBSD/Linux Kernel Cross Reference
sys/Documentation/digiepca.txt

     The Digi Intl. epca driver. 
     ----------------------------
     The Digi Intl. epca driver for Linux supports the following boards:
     
     Digi PC/Xem, PC/Xr, PC/Xe, PC/Xi, PC/Xeve 
     Digi EISA/Xem, PCI/Xem, PCI/Xr 
     
     Limitations:
     ------------
    Currently the driver only autoprobes for supported PCI boards. 
    
    The Linux MAKEDEV command does not support generating the Digiboard
    Devices.  Users executing digiConfig to setup EISA and PC series cards
    will have their device nodes automatically constructed (cud?? for ~CLOCAL,
    and ttyD?? for CLOCAL).  Users wishing to boot their board from the LILO
    prompt, or those users booting PCI cards may use buildDIGI to construct 
    the necessary nodes. 
    
    Notes:
    ------
    This driver may be configured via LILO.  For users who have already configured
    their driver using digiConfig, configuring from LILO will override previous 
    settings.  Multiple boards may be configured by issuing multiple LILO command 
    lines.  For examples see the bottom of this document.
    
    Device names start at 0 and continue up.  Beware of this as previous Digi 
    drivers started device names with 1.
    
    PCI boards are auto-detected and configured by the driver.  PCI boards will
    be allocated device numbers (internally) beginning with the lowest PCI slot
    first.  In other words a PCI card in slot 3 will always have higher device
    nodes than a PCI card in slot 1. 
    
    LILO config examples:
    ---------------------
    Using LILO's APPEND command, a string of comma separated identifiers or 
    integers can be used to configure supported boards.  The six values in order 
    are:
    
       Enable/Disable this card or Override,
       Type of card: PC/Xe (AccelePort) (0), PC/Xeve (1), PC/Xem or PC/Xr (2), 
                     EISA/Xem (3), PC/64Xe (4), PC/Xi (5), 
       Enable/Disable alternate pin arrangement,
       Number of ports on this card,
       I/O Port where card is configured (in HEX if using string identifiers),
       Base of memory window (in HEX if using string identifiers), 
    
    NOTE : PCI boards are auto-detected and configured.  Do not attempt to 
    configure PCI boards with the LILO append command.  If you wish to override
    previous configuration data (As set by digiConfig), but you do not wish to
    configure any specific card (Example if there are PCI cards in the system) 
    the following override command will accomplish this:
    -> append="digi=2"
    
    Samples:
       append="digiepca=E,PC/Xe,D,16,200,D0000"
                      or
       append="digi=1,0,0,16,512,851968"
    
    Supporting Tools:
    -----------------
    Supporting tools include digiDload, digiConfig, buildPCI, and ditty.  See
    /usr/src/linux/Documentation/README.epca.dir/user.doc for more details.  Note,
    this driver REQUIRES that digiDload be executed prior to it being used. 
    Failure to do this will result in an ENODEV error.
    
    The latest version of the tool package is available at:
    ftp://ftp.dgii.com/drivers/linux/released/async/
    
    Documentation:
    --------------
    Complete documentation for this product may be found in the tool package. 
    
    Sources of information and support:
    -----------------------------------
    Digi Intl. support site for this product:
    -> digilnux@dgii.com 
    
    Related information and information concerning other drivers supporting 
    Digi Intl. products:
    
    -> FTP: ftp://dgii.com
    -> Webpage: http://www.dgii.com
    -> Webpage: http://lameter.com/digi
    
    Acknowledgments:
    ----------------
    Much of this work (And even text) was derived from a similar document 
    supporting the original public domain DigiBoard driver Copyright (C)
    1994,1995 Troy De Jongh.  Many thanks to Christoph Lameter 
    (christoph@lameter.com) and Mike McLagan (mike.mclagan@linux.org) who authored 
    and contributed to the original document. 

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