Methods and apparatuses for resetting the physical layers of...

Details Methods and apparatuses for resetting the physical layers of... Methods and apparatuses for resetting the physical layers of...

2007-05-15

2007-05-15

Perveen, Rehana (Department: 2116)

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

Loading initialization program

C713S001000

Reexamination Certificate

active

10850783

ABSTRACT:
A method for effecting an in-band reset of the physical layers of two agents interconnected through a link-based interconnection scheme. In accordance with one embodiment of the invention, a first of the two agents ceases its forwarded clock to initiate the in-band reset. Upon realization of the cessation, a second agent ceases its forwarded clock and proceeds to a reset state. The first agent then proceeds to a reset state. Subsequently, after waiting a specified period of time, both agents proceed with a re-initialization of the physical layer. In accordance with one embodiment of the invention, the re-initialization of the physical layer is effected without impacting other layers of the interconnection hierarchy.

REFERENCES:
patent: 2003/0107989 (2003-06-01), Ray
patent: 2005/0025226 (2005-02-01), Mizuguchi et al.
patent: 2005/0188232 (2005-08-01), Weng et al.

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