Method and apparatus for booting from a selection of...

Details Method and apparatus for booting from a selection of... Method and apparatus for booting from a selection of...

2007-06-19

2007-06-19

Cao, Chun (Department: 2115)

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

Loading initialization program

C713S001000, C714S036000

Reexamination Certificate

active

10215605

ABSTRACT:
A method and apparatus for booting from a selection of multiple boot images. Control logic is coupled with a plurality of memory devices containing a plurality of boot images. The control logic employs a device select value to map device requests to memory devices. An event agent monitors the apparatus for various events including a corrupted primary boot image. The event agent notifies the control logic when an event occurs and the control logic changes the device select value responsive to the event. The mapping from device requests to memory devices changes when the device select value changes.

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patent: 6754818 (2004-06-01), Lee et al.
patent: 6907523 (2005-06-01), Patel
patent: 11296355 (1999-10-01), None
IBM, Boot path selection veification and override, Feb. 1999, Research Disclosure Journal, pp. 3.

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