Method for accelerating BIOS running

Details Method for accelerating BIOS running Method for accelerating BIOS running

2007-06-27

2011-10-11

Lee, Thomas (Department: 2116)

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

Loading initialization program

C713S001000, C713S100000, C711S118000

Reexamination Certificate

active

08037292

ABSTRACT:
The present invention provides a method for accelerating the BIOS running by means of Cache-As-RAM, comprising steps of: a CPU reading a first instruction from a BIOS Flash ROM and beginning to run BIOS programs after a computer is powered on; the CPU turning on a No-Eviction Mode (NEM) of a cache and initializing a Cache-As-RAM (CAR); the CPU copying the BIOS programs to the CAR space from the BIOS Flash ROM and running the BIOS programs completely in the CAR space; at the end of running the BIOS programs in the CAR space, the CPU initializing a system memory; after the system memory is initialized, the CPU again reading the BIOS programs from the Flash ROM; the CPU copying the BIOS program modules that have not been run yet to the system memory from the BIOS Flash ROM; and the CPU running the BIOS programs from the system memory, so as to finish the initialization of the computer platform.

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Interface Supplement—X86 Assembly Introduction, vol. 31, published Jan. 1, 2006 (Japan).
Windows 95—System Program Development, Microsoft Press, published Oct. 11, 1997 (Japan).

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