Dynamic power level control based on a board latch state

Details Dynamic power level control based on a board latch state Dynamic power level control based on a board latch state

2005-09-27

2005-09-27

Elamin, A. (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

By external command

C713S300000, C713S320000, C361S754000, C361S759000

Reexamination Certificate

active

06950952

ABSTRACT:
A control circuit on a modular blade or card monitors an ejector switch. Upon detecting a latch event at the ejector switch, the control circuit signals the operating system with the appropriate power management instruction. For example, if the ejector switch on the modular blade acts as a power button, the controller will generate a power management signal in accordance with the desired power control protocol, such as ACPI.

REFERENCES:
patent: 4596907 (1986-06-01), LaGreco et al.
patent: 5410714 (1995-04-01), Yorimoto et al.
patent: 5727168 (1998-03-01), Inoue et al.
patent: 5734618 (1998-03-01), Mizuta
patent: 6308285 (2001-10-01), Bowers
patent: 6388884 (2002-05-01), Greco et al.
patent: 6496915 (2002-12-01), Halleck
patent: 6850417 (2005-02-01), Cooper et al.

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