How To Disable Direct Memory Access(DMA)

The Direct Memory Access will allow data transmission between your hard drive and CD drive without requiring the microprocessor's intervention. Those using Windows XP will not have this option set by default.

Step1:  Click Start, then click Control Panel.

Step2:  Click and open the "System" icon

Step3:  Select the "Hardware" tab and choose "Device Manager" option.

Step4:  List the ATA/ATAPI options by clicking the "+" icon next to it.

Step5:  Select the "Primary IDE Channel" option.

Step6:  In the "Primary IDE Properties" window select the "Advanced Settings" tab.

Step7:  Check whether the "Transfer Mode" for "Device 0" enables DMA.

Step8:  Also, check whether the "Transfer Mode" for "Device 1" enables DMA.

Step9:  Click "OK" to confirm the changes.

Step10:Hence, click "Secondary IDE Channel".

Step11: In the "Secondary IDE Properties", select the "Advanced Settings" tab.

Step12:Check whether the "Transfer Mode" for "Device 0" enables DMA.

Step13: Also, check whether the "Transfer Mode" for "Device 1" enables DMA.

Step14: When done, click "OK" to confirm the changes.