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Home » Dictionary » Storage

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Numeric

PIO
Author: Gabriel Torres Last Updated: October 19, 2005
Category: Storage

Programmed Input/Output or Processor I/O

PIO is the name given when the system CPU is used to transfer data between the hard disk drive and the RAM memory. On a technique called bus mastering the hard disk drive transfers data directly to the RAM memory, without using the system CPU, thus increasing the system performance.

Read BMIDE for further information.

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