Method and apparatus for handling data transfers

Method and apparatus for handling data transfers

Embodiments of the present invention provide for implementation of data transfers in an efficient manner. The 48-bit LBA mechanism requires two sets of I/O writes to IDE registers on primary channel or secondary channel. The two sets of I/O writes to the primary or secondary channel registers are pe...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: MOONEY STEVE, NALAWADI REJEEV
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:Embodiments of the present invention provide for implementation of data transfers in an efficient manner. The 48-bit LBA mechanism requires two sets of I/O writes to IDE registers on primary channel or secondary channel. The two sets of I/O writes to the primary or secondary channel registers are performed by setting a status register to a first or second state appropriately depending on the data.Embodiments of the present invention provide a single set of writes to I/O registers when the size of the data transfer is equal to or below a threshold value.