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pio

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pio [2006/03/21 21:03] – created 5meo-geopio [2006/10/15 09:35] (current) – external edit 127.0.0.1
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 +cronym for Programmed Input/Output, a method of transferring data between two devices that uses the computer's main processor as part of the data path. ATA uses PIO and defines the speed of the data transfer in terms of the PIO mode implemented, as shown in the information below: 
 +PIO Mode, Data Transfer Rate (MBps), Standard 
 +0 3.3 ATA 
 +1 5.2 ATA 
 +2 8.3 ATA 
 +3 11.1 ATA-2 
 +4 16.6 ATA-2 
 +ATA-3, ATA/33 and ATA/66 do not have a PIO mode assignment as of yet, although ATA-3 is often used in PIO4 since it is really a correction to ATA-2.