Peripheral apparatus, control method for peripheral...

Details Peripheral apparatus, control method for peripheral... Peripheral apparatus, control method for peripheral...

2005-11-15

2005-11-15

Gaffin, Jeffrey (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral adapting

C710S002000, C710S306000

Reexamination Certificate

active

06965955

ABSTRACT:
A peripheral apparatus, a control method for the peripheral apparatus, a memory medium, and an information processing system, in which performance of a connected host computer is not deteriorated are provided. For this purpose, when a status of the apparatus is a first status, a control mode is switched to the first mode such that in response to a data reading request which is issued from the host computer, when response data has been prepared, the response data is notified, and when the response data is not prepared yet, the fact that a response cannot be made is notified, and when the status of the apparatus is not the first status, the control mode is switched to the second mode such that in response to the data reading request which is issued from the host computer, the absence of the data to be responded is notified.

REFERENCES:
patent: 5313584 (1994-05-01), Tickner et al.
patent: 5459870 (1995-10-01), Iwasa et al.
patent: 5987526 (1999-11-01), Morales
patent: 6088346 (2000-07-01), Du et al.
patent: 6434643 (2002-08-01), Ejiri

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