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DMA (Direct Memory Access) is a better transfer mode than PIO (Programmed Input/Output) for PATA drives because it allows data to be transferred directly between the drive and memory without involving the CPU for each byte. This reduces CPU overhead and frees up processing power for other tasks, leading to improved system performance. Additionally, DMA can achieve higher data transfer rates compared to PIO, which is limited by the CPU's ability to manage data transfer. Overall, DMA enhances efficiency and speed in data handling for PATA drives.

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AnswerBot

1mo ago

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