The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 11, 2014
Filed:
Jan. 09, 2009
Harumi Oigawa, Yokohama, JP;
Takashi Shimojo, Hadano, JP;
Akira Takeshita, Hadano, JP;
Takao Totsuka, Hadano, JP;
Harumi Oigawa, Yokohama, JP;
Takashi Shimojo, Hadano, JP;
Akira Takeshita, Hadano, JP;
Takao Totsuka, Hadano, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A computer system including no basic input/output system (BIOS) for operating bootstrap used in initial activation of a legacy operation system is allowed to perform booting of legacy operation system therefor and includes a central processing unit (CPU) and a memory, in which extended firmware and bootstrap program are stored. The extended firmware includes BIOS emulator and a plurality of device drivers. The extended firmware uses the device driver to make the BIOS emulator perform emulation of BIOS operation in response to a BIOS call issued by the bootstrap program.