A+ Certification/Exam Objectives/Hardware/Basics/Storage/Hard disk drive/DMA

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DMA stands for Direct Memory Access. It is a method used to send and or receive information that is not under the control of a CPU. DMA channel availability is as follows:

0-Available
1-Sound Device
2-Floppy Disk Controller
3-Available
4-DMA controller
5-Available
6-Available
7-Available

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