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  • Saduff
    Junior Member
    Junior Member
    • Aug 2008
    • 3

    Big DMA problem

    First of all, I have 2 Primary and 2 Secondary IDE channels, but I've heard that I must have 1 Primary and 1 Secondary. I have a burner in my laptop as well and there's only 1 Primary and Secondary.. So.. is this a problem or is this supposed to be like that ?

    The second Primary channel is in Ultra DMA, mode 5, but The secondary channels say not applicable.. but I've heard it has to say Ultra DMA, Mode 2 and my laptop has Ultra DMA, Mode 2 and my laptop burns fine, but my PC doesn't.

    How can I enable DMA for my secondary IDE channel and are there supposed to be 2 Primary and 2 Secondary IDE channels?
  • Chewy
    Super Moderator
    • Nov 2003
    • 18971

    #2
    what is your exact problem?

    does the secondary ide controller say PIO mode

    Comment

    • Saduff
      Junior Member
      Junior Member
      • Aug 2008
      • 3

      #3
      No.. it says 'not applicable' for both secondary channels.

      Comment

      • Chewy
        Super Moderator
        • Nov 2003
        • 18971

        #4
        not applicable usually means there is nodevice attached, or the device or cable is broken

        Comment

        • Saduff
          Junior Member
          Junior Member
          • Aug 2008
          • 3

          #5
          That's what I thought.. I'm gonna see if my burner is connected.. Thank You! And one more thing.. Is it possible for a burner to be in Ultra DMA Mode 5 or is it Always Ultra DMA Mode 2 ?

          Comment

          • Chewy
            Super Moderator
            • Nov 2003
            • 18971

            #6
            Some of the newer ones are dma4 if I remember right but at 100MB/s that would be 48X dvd burning speed and the disk would shatter from the FORCE

            Comment

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