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  1. #1
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    device manager shows multiple ide channels

    My device manager shows three primary ide channels, three secondary ide channels and three standard dual channel PCI IDE controllers..why is this?
    I have only one hard disk and one dvd writer...
    And can anyone tell me how to change the the dvd drive from pio mode to dma..?

  2. #2
    Ride 'em Cowboy Steve R Jones's Avatar
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    why is this?
    It could be normal - depends on the mobo

    And can anyone tell me how to change the the dvd drive from pio mode to dma
    IDE ATA and ATAPI disks use PIO mode after multiple time-out or CRC errors occur
    IDE ATA and ATAPI disks use PIO mode after multiple time-out or CRC errors occur

    WORKAROUND
    To re-enable the typical, or faster, transfer mode for an affected device:
    1. Double-click Administrative Tools, and then click Computer Management.
    2. Click System Tools, and then click Device Manager.
    3. Expand the IDE ATA/ATAPI Controllers node.
    4. Double-click the controller for which you want to restore the typical DMA transfer mode.
    5. Click the Driver tab.
    6. Click Uninstall.
    7. When the process completes, restart your computer. When Windows restarts, the hard disk controller is re-enumerated and the transfer mode is reset to the default value for each device that is connected to the controller.
    "Life is unpredictable, eat dessert first."

  3. #3
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    I reverted that back..thanks alot...
    Both the hard disk and dvd drive is listed in primary ide channels...typically hard disk is on primary and the dvd drive is on secondary..correct me if i am wrong..?can u explain this..? And the other thing is my hard disk is listed in device 1 in primary ide channel..what is the difference between device 0 and device 1..?

  4. #4
    Ride 'em Cowboy Steve R Jones's Avatar
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    It really depends on you mobo as to how many "channels" it has. Most mobo's with IDE channels have two and a third smaller one for the floppy drive. You can look on the mobo for the "spot" for lack of better words where the ribbon cables plug into the mobo....Each channel/ide ribbon cable will allow two devices to be plugged into it.
    "Life is unpredictable, eat dessert first."

  5. #5
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    Hey thanks a lot for your help..

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