Peripheral device in a computerized system and method

Details Peripheral device in a computerized system and method Peripheral device in a computerized system and method

2006-02-06

2009-08-04

Tsai, Henry W. H. (Department: 2184)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral adapting

C710S025000, C713S502000

Reexamination Certificate

active

07571266

ABSTRACT:
A computerized system is described (i) which includes an interface connected with a peripheral device and (ii) which is incapable of dynamically extending bus cycle timing if required by the peripheral device to carry out a particular current operation. This computerized system includes a given peripheral device which, during normal operation of the device, can require an extension of bus cycle timing to carry out the current operation. This device generates a specific signal when the extension is required. The device is connected with the interface of the computerized system and the system is configured to cause the system (i) to recognize the specific signal and (ii) to instruct the peripheral device to retry the current operation responsive to the specific signal. In a particular embodiment, the peripheral device is a disk drive having an ATA interface and the specific signal generated by the disk drive is an IORDY signal.

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Intel®, Intel PXA27x Processor Family Developers Manual, Jan. 2006, Intel.

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