Electrical computers and digital processing systems: support – Digital data processing system initialization or configuration – Loading initialization program
Reexamination Certificate
2007-10-23
2007-10-23
Cao, Chun (Department: 2115)
Electrical computers and digital processing systems: support
Digital data processing system initialization or configuration
Loading initialization program
C713S001000, C713S300000, C714S048000
Reexamination Certificate
active
10878284
ABSTRACT:
A PLD is interposed on the communication route between a microprocessor (hereinbelow called MP) and boot memories. The boot memories store MP start-up data needed to start up the MP and start-up protection code constituting protection code for the MP start-up data. The PLD reads the MP start-up data and the start-up protection code thereof from the boot memories, performs, in hardware fashion, a check of the validity of the MP start-up data using this start-up protection code and, if a negative check result is obtained, resets the MP and if a positive check result is obtained, inputs the start-up data that is thus read to the MP.
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Fujii Masanori
Inoue Yasuo
Minowa Nobuyuki
Bochicco Brian
Cao Chun
Hitachi , Ltd.
Mattingly ,Stanger ,Malur & Brundidge, P.C.
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