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M
mvirique
Visitor II
August 18, 2003
Question

DMA STPC Elite

  • August 18, 2003
  • 3 replies
  • 859 views
Posted on August 18, 2003 at 12:59

DMA STPC Elite

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    3 replies

    M
    mviriqueAuthor
    Visitor II
    July 29, 2003
    Posted on July 29, 2003 at 11:33

    Hi,

    Where can I find detailed documentation to program the DMA2 controller of the STPC Elite.

    Thanks.

    Cyber
    T
    thierry239955_st
    Visitor II
    July 31, 2003
    Posted on July 31, 2003 at 08:41

    The DMA of the STPC follow standard PC architecture and is compatible with intel 8237.

    You can find interesting informations here:

    http://docs.freebsd.org/doc/4.0-RELEASE/usr/share/doc/handbook/dma.html

    The best would be to get a book on PC architecture like 'The PC Bible' or a book on ISA bus (or the spec of the 8237!).

    Note the DMA is on ISA and have the same limitation as the bus itself: it is slow and limited to 16MB of address space.

    Farfalla

    M
    mviriqueAuthor
    Visitor II
    August 18, 2003
    Posted on August 18, 2003 at 12:59

    Thanks,

    I also found an old book on the Intel 8237, and DMA works fine.

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