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ISA - PCI Conversion

Discussion in 'Electronic Design' started by [email protected], Apr 2, 2006.

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  1. Guest

    Hi
    Does anybody can help me with PLX PCI9030 IC?
    I have an old ISA design, and i need to convert it to PCI.
    I bought the prototyping kit, PCI9030-RDK. PLX doesnt give ANY support
    for me, maybe
    because i am not a big chinese manufacturer or something.....
    Ok, my first hard question is.... I think it´s easier to develop this
    board as being a Legacy PCI, because my old design is ISA based, nature

    born Legacy. Can i hardwire the expansion rom address (to the bridge
    IC), for example 0xc0000? These questions are more IC specific,
    what makes this topic anoyng...
    If anybody can point me some schematics would be great.
    Tks
    Pedro.
     
  2. Ben Jackson

    Ben Jackson Guest

    If you google for the part and throw on filetype:pdf you can
    find this, among other things:

    http://www-ese.fnal.gov/eseproj/BTeV/TestBeam02/PtaRev1c.pdf

    Looks like it has a eeprom for configuration.

    Depending on what your card does (and how many you want to make) it
    might be easier to buy something like:

    http://www.altera.com/products/devkits/altera/kit-maxii-1270.html

    There used to be a deal where you could get those for $99, but even
    at $150 it's a bargain.
     
  3. Paul Burke

    Paul Burke Guest

    If PLX didn't give you a CD with it all on (I suspect they did), you can
    download all the required schematics from their site. In my experience
    they give excellent support.

    Can i hardwire the expansion rom address (to the bridge
    No, PCI won't let you do that. Though you could write a program to
    change the address yourself- depending on OS, you might need something
    like TVicHW to get at the hardware though. You'll also have to check
    that the address you want hasn't been allocated to something else too.
    Check out Ralf Brown's PCI programs if you use DOS.
    http://www.cs.cmu.edu/afs/cs/user/ralf/pub/WWW/files.html

    Paul Burke
     
  4. Guest

    Sorry, forgot to say.... my board loads the OS... no windows, dos
    loaded by the board. Dos goes in an eprom at the board.
     
  5. Nico Coesel

    Nico Coesel Guest

    Even today, some bioses allow a PCI network card to boot the system.
    For this purpose the network card is fitted with an EPROM. Try to find
    out how that works. Even the cheapes network cards have EPROM sockets.
    Buy such a card and make it run your software from that EPROM so you
    know you have working software in your EPROM. Next step is to 'clone'
    the part of that card that holds the EPROM. A program called PCItree
    is very usefull for accessing the configuration area of a PCI card.
     
  6. Guest

    Yeah, very good idea... thanks
    I´ll give a try on that
     
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