2009年7月26日星期日

Laptop Boot theory(2)


soft boot is BIOS(Base Input Output System) start to POST(Power On Self Test)when CPU working,following is the distribution of upper memory.A0000…BFFFF: VIDEO MEMORYC0000…C7FFF: VGA BIOSC8000…CFFFF: I/O ROMD0000…DFFFF Optional ROM & Buffer AreaE0000…FFFFF:BIOSthe picture show the process of soft boot

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