Electrical computers and digital processing systems: support – Reconfiguration
Reexamination Certificate
2006-03-07
2006-03-07
Cao, Chun (Department: 2115)
Electrical computers and digital processing systems: support
Reconfiguration
C713S001000
Reexamination Certificate
active
07010680
ABSTRACT:
A program updating method is provided for a built-in ROM. First, a cable9is used to connect a connector5of an EVA board1and a connector11of a ROM writer10. Next, an external start-up program (BIOS) of an external start-up ROM13is started to initialize the system. Then, a ROM writer program stored in the external start-up ROM13is developed onto a RAM4of the system, and the process is moved thereto. Next, the ROM writer program maps a data ROM14at addresses where the external startup ROM13existed, and copy master data in the data ROM14to the RAM4. The ROM writer program updates a flash ROM3with the master data that has been copied to the RAM4.
REFERENCES:
patent: 6057780 (2000-05-01), Nagakura
patent: 6157559 (2000-12-01), Yoo
patent: 6651887 (2003-11-01), Sehnert
patent: 2001-195246 (2001-07-01), None
Communication from Japanese Patent Office re: counterpart application.
Cao Chun
Harness & Dickey & Pierce P.L.C.
Seiko Epson Corporation
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