Article ID : S500029779 / Last Modified : 11/04/2018

How to enable the DMA settings of a hard disk drive, CD-ROM, CD-R/RW and DVD-ROM drive?

    How to enable the DMA settings of a hard disk drive, CD-ROM, CD-R/RW and DVD-ROM drive?

    Enabling the DMA can reduce work load to the CPU. To do so, please follow the steps below in the respective Windows environment.

    * In Windows 98 and Windows Me environment
    1. Start Control Panel.
    2. Double-click System.
    3. Click the Device Manager tab.
    4. For hard disk drive, click to expand Disk Drive. For CD-ROM, CD-R/RW and DVD-ROM drives, click to expand CD-ROM.
    5. Right-click on the necessary drive and click Properties.
    6. Click the Settings tab.
    7. Select the DMA option.
    8. Click OK.
    9. Click Yes to restart computer.

    * In Windows 2000 environment
    1. Start Control Panel.
    2. Double-click System.
    3. Click the Hardware tab.
    4. Click Device Manager.
    5. Click to expand IDE ATA ATAPI Controllers.
    6. For hard disk drive, right-click Primary IDE Channel and select Properties. For CD-ROM, CD-R/RW and DVD-ROM drives, right-click Secondary IDE Channel and select Properties.
    7. Click the Advance Settings tab.
    8. To enable master drive, under Device 0, select DMA (if available) for Transfer Mode . For secondary drive, under Device 1, select DMA (if available) for Transfer Mode.
    9. Click OK.
    10. Click Yes to restart computer.

    * In Windows XP environment
    1. Click Start, right-click My Computer and click Properties.
    2. Click the Hardware tab and click Device Manager.
    3. Click to expand IDE ATA ATAPI Controllers.
    4. For hard disk drive, right-click Primary IDE Channel and select Properties. For CD-ROM, CD-R/RW and DVD-ROM drives, right-click Secondary IDE Channel and select Properties.
    5. Click the Advance Settings tab.
    6. To enable master drive, under Device 0, select DMA (if available) for Transfer Mode . For secondary drive, under Device 1, select DMA (if available) for Transfer Mode.
    7. Click OK.
    8. Click Yes to restart computer.