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Thread: Help with Ultra DMA Mode!!!




  1. #1
    Join Date
    Dec 2002
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    1

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    I can't activate UltraDMA and my HD is sooooooo slow.

    In "Device Manager", 'IDE ATA/ATAPI controllers' it says "DMA if available, but in "Current Transfer mode" it says "PIO mode"

    My HD supports UltraDMA, but I don't know the UltraDMA Mode and PIO Mode in the BIOS to activate it.

  2. #2
    Join Date
    Nov 2001
    Location
    Texas, USA
    Posts
    4,825

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    A little lax on the system specifics here, but if you have a newer mainboard with the Phoenix/Award BIOS, then you might have some luck looking under the "Integrated Peripherals" header. Many will have an OnChip Functions sub-header where you can set the board's ability to utilize UDMA drives to their fullest.
    Old age and treachery will overcome youth and skill
    My Toys

  3. #3
    Join Date
    Dec 2002
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    1

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    I had a similar problem with my "on the board" IDE controller that my DVD and CD-R were connected to. Initially it worked fine, but after a couple days I noticed my CD-R would not record any faster than 8x. I checked the settings and sure enough, it said PIO mode, even though the DMA if availible was selected. I then found the Microsoft Tech Article below, and by removing the IDE controller from the device manager and allowing it to re-install, I then changed both to PIO Only Mode, and then Re-opened Device Manager and set to DMA mode, and it worked.


    http://www.microsoft.com/hwdev/tech/storage/IDE-DMA.asp

    Hope this solves the problem for you,

    J.Roberts

  4. #4
    Join Date
    Aug 2002
    Location
    Ohio, USA
    Posts
    1,296

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    If you have an optical drive on the channel with the hard drive you may also see this problem.

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