Method and system for embedded disk controllers

Electrical computers and digital data processing systems: input/ – Intrasystem connection – Bus interface architecture

Reexamination Certificate

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C710S260000, C710S264000, C710S313000

Reexamination Certificate

active

07080188

ABSTRACT:
A system for an embedded disk controller is provided. The system includes a first main processor operationally coupled to a high performance bus; a second processor operationally coupled to a peripheral bus; a bridge that interfaces between the high performance and peripheral bus; an external bus controller coupled to the high performance bus and operationally coupled to external devices via an external bus interface; an interrupt controller module that can generate a fast interrupt to the first main processor; a history module coupled to the high performance and peripheral bus for monitoring bus activity; and a servo controller that is coupled to the second processor through a servo controller interface and provides real time servo controller information to the second processor. The second processor may be a digital signal processor that is operationally coupled to the first main processor through an interface.

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