Redundancy management method for BIOS, data processing apparatus and storage system for using same

Redundancy management method for BIOS, data processing apparatus and storage system for using same

Redundancy management for BIOS sets the environment where the OS can use hardware for preventing the system startup from being disabled even if the BIOS is updated according to the CPU stepping change. The BIOS is redundant-managed by a pair of memories (32, 33), so that the memory in operation is s...

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Hauptverfasser: MIYASHITA ISAMU, OTAKA ATSUHIRO, TANAKA NORIYOSHI
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator MIYASHITA ISAMU
OTAKA ATSUHIRO
TANAKA NORIYOSHI
description Redundancy management for BIOS sets the environment where the OS can use hardware for preventing the system startup from being disabled even if the BIOS is updated according to the CPU stepping change. The BIOS is redundant-managed by a pair of memories (32, 33), so that the memory in operation is switched to the memory in standby when the BIOS cannot be booted, and system startup is prevented from being disabled. When the BIOS is updated according to the CPU stepping change, data is written not to the two BIOS memories simultaneously but only to the BIOS memory in standby, and the BIOS currently in operation is not updated.
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The BIOS is redundant-managed by a pair of memories (32, 33), so that the memory in operation is switched to the memory in standby when the BIOS cannot be booted, and system startup is prevented from being disabled. 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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title Redundancy management method for BIOS, data processing apparatus and storage system for using same
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