Method for conserving system resources

Details Method for conserving system resources Method for conserving system resources

2006-03-30

2008-11-04

Perveen, Rehana (Department: 2116)

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

Loading initialization program

C713S001000, C713S100000

Reexamination Certificate

active

07447899

ABSTRACT:
A method for conserving system resources applicable to an electronic system with a BIOS, a first memory unit and a second memory unit is proposed. The electronic system is connected to a riser card with a plurality of slots disposed thereon for receiving a plurality of slot cards. The method allows bridges corresponding to slots of a riser card that have slot cards inserted therein to be enabled, and those bridges corresponding to empty slots of a riser card not to be enabled. This information is recorded in the first memory unit. When the BIOS performs a Plug-and-Play (PnP) algorithm, the bridges that are not enabled are hidden away and cannot be accessed by a bus interface cycle. Thus, system resources such as interrupt request (IRQ), input/output (IO) and memory-mapped input/output (MMIO) are assigned only to the enabled bridges, conserving the system resources.

REFERENCES:
patent: 5038320 (1991-08-01), Heath et al.
patent: 5237690 (1993-08-01), Bealkowski et al.
patent: 5497490 (1996-03-01), Harada et al.
patent: 5712472 (1998-01-01), Lee
patent: 7191275 (2007-03-01), Arackal et al.

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