Master-target based arbitration priority

Details Master-target based arbitration priority Master-target based arbitration priority

1996-12-31

1999-05-25

Sheikh, Ayaz R.

395308, 395325, 395309, 395287, 395293, 395296, 395297, G06F 1300

Patent

active

059076895

ABSTRACT:
A system management module (SMM) for a host server system includes a system management processor (SMP) connected to a system management local bus. The system management local bus connects to the system PCI bus through a system management central (SMC). The SMC includes the main arbitration unit for the PCI bus and also includes the arbiter for the system management local bus. The SMM includes a video controller and/or keyboard and mouse controller connected to the system management local bus to support remote consoling of the SMM. The SMC includes logic to monitor PCI cycles and to issue error signals in the event of a system error. The SMC also isolates failed components by masking request, grant and interrupt lines for the failed device. Further, if a spare component is provided, the SMC permits dynamic switching to the spare. In addition to detecting errors and performing survival and maintenance operations, the SMC enhances system performance during normal operations by supporting master-target priority determinations to more efficiently arbitrate mastership of system busses such as the PCI bus.

REFERENCES:
patent: 5247620 (1993-09-01), Fukuzawa et al.
patent: 5434983 (1995-07-01), Yaso et al.
patent: 5450551 (1995-09-01), Amini et al.
patent: 5469577 (1995-11-01), Eng et al.
patent: 5564025 (1996-10-01), De Freese et al.
patent: 5596729 (1997-01-01), Lester et al.
patent: 5740387 (1998-04-01), Lambrecht et al.
patent: 5761452 (1998-06-01), Hooks et al.

Affiliated with

Also associated with

Rating

Master-target based arbitration priority does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Master-target based arbitration priority, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Master-target based arbitration priority will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-407549