Methods and apparatus for automatically selecting and...

Details Methods and apparatus for automatically selecting and... Methods and apparatus for automatically selecting and...

2006-02-07

2006-02-07

Browne, Lynne H. (Department: 2116)

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

Loading initialization program

Reexamination Certificate

active

06996708

ABSTRACT:
Techniques for selecting and loading a correct initialization software module for managing communication by a scanner with a terminal over a universal serial bus connection are described. A bootloader is transferred from semipermanent memory to RAM and executed. The bootloader detects a configuration in which a scanner is being used, selects a correct initialization for use with the scanner and copies an interrupt service request table for the selected module to an image of the bootloader in the semipermanent memory. The image of the bootloader is then transferred to RAM, with the interrupt service request table being stored in an appropriate location in RAM. The bootloader then transfers an executable code block for the selected initialization module from the semipermanent memory to the RAM for execution.

REFERENCES:
patent: 5325536 (1994-06-01), Chang et al.
patent: 5459854 (1995-10-01), Sherer et al.
patent: 5493727 (1996-02-01), Ohya
patent: 6490677 (2002-12-01), Aguilar et al.

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