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Table Of Contents  CertiGuide to A+ (Core Hardware)
 9  Chapter 0100:  Hard Drives
      9  VII  IDE

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ATA-2
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Ultra DMA
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IDE (PIO Mode 3)

All the drives were talking to the computer via Programmed Input Output (PIO). This means the data must go through the processor. The PIO modes simply were at faster rates. This only tied up the processor more quickly. The solution is our next topic.


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ATA-2
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Ultra DMA
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