How to Enable or Disable DMA in Windows 8?

Whenever you transfer data from external devices to your computer, CPU consumes a lot of resources making your computer slow for a while. The DMA (Direct Memory Access) controller helps CPU by taking up the charge of data transfer and frees CPU for other tasks. But, in order to take charge of the transferring process DMA must be enabled in your OS. Here is the tutorial how you can enable DMA in Windows 8.

Enable or Disable DMA in Windows 8

DMA is the acronym for Direct memory Access. As the name indicates the data is directly processed from the external devices to computer without the interference of CPU. Thus, when you transfer data from pen drive, the transfer is controlled by the memory itself. To access the DMA you need to have the DMA facility on the hardware and follow the steps to enable it on Windows 8 OS.

Enable DMA in Windows 8

  • Open charms bar by pressing Windows Key + C and go to search and type control panel to launch it or if you have control panel tile in the start screen, click on it to launch it

control panel search start screen

  • In the search tab type device manager and click to open it

Device Manager

  • Under device manager look for IDE ATA/ATAPI controllers and click to expand it

Expand Controllers

  • Now, right click on ATA channel and select properties

Select Channel

  • In the properties window go to Advanced settings tab > device properties and enable or disable DMA by checking or unchecking the box besides Enable DMA option.

Enable DMA

Upon completion of the above steps you can see that DMA is enabled on your Windows 8 computer.


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