ATA device access system with surrogate registers...

Details ATA device access system with surrogate registers... ATA device access system with surrogate registers...

2006-08-01

2006-08-01

Cottingham, John R. (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S311000, C710S310000

Reexamination Certificate

active

07085873

ABSTRACT:
An ATA device access system preferably includes surrogate registers that correspond to ATA registers. A command register can be configured to control data transfer between the ATA and surrogate registers. A status register can be configured to signal completion of data transfer to or from the surrogate registers. Using the ATA device access system, data can be written to the surrogate registers during a write operation with little or no wait and then transferred to the ATA registers without tying up a bus or a processor. Similarly, data can be loaded into the surrogate registers from the ATA registers during a read operation with little or no wait, before being read from the surrogate registers by a processor.

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patent: 2004/0210681 (2004-10-01), Eschmann et al.

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