System and method for manual fail-safe bootstrap based on a...

Details System and method for manual fail-safe bootstrap based on a... System and method for manual fail-safe bootstrap based on a...

2007-05-22

2007-05-22

Elamin, A. (Department: 2116)

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

Loading initialization program

C713S001000, C714S005110, C714S006130, C714S036000, C714S038110, C365S185330

Reexamination Certificate

active

10861741

ABSTRACT:
A system for manual fail-safe bootstrap based on a single flash Read-Only Memory (ROM) includes a flash ROM (130) and an address map circuit (120). The flash ROM stores a main boot code (1301) in a first address section (1303) thereof, and a backup boot code (1302) in a second address section (1304) thereof. The address map circuit connects to a Central Processing Unit (CPU) (100) and the flash ROM, and includes a selector (400), an inverter (410), an AND gate (420) and a switcher (430). A related method for manual fail-safe bootstrap based on a single flash ROM is also provided.

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