Apparatus for improved storage of computer system configuration

Details Apparatus for improved storage of computer system configuration Apparatus for improved storage of computer system configuration

1996-10-23

1999-08-17

Kriess, Kevin A.

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

G06F 906

Patent

active

059387645

ABSTRACT:
A computer system and method is described for improved storage of computer system configuration information. A ROM module includes both a BIOS ROM portion and a configuration ROM portion. The configuration ROM includes a backup copy of the system configuration parameters stored in a battery-powered configuration CMOS RAM. If the configuration CMOS RAM fails to provide valid configuration data, the contents of the configuration ROM are used to configure the computer system. If the contents of the configuration ROM are also invalid, default configuration values are provided by the BIOS ROM. User modification of the default values may be effected through a setup utility program, and the configuration ROM then programmed accordingly.

REFERENCES:
patent: 5269022 (1993-12-01), Shinjo et al.
patent: 5307497 (1994-04-01), Feigenbaum et al.
patent: 5327531 (1994-07-01), Bealkowski et al.
patent: 5388267 (1995-02-01), Chan et al.
patent: 5657448 (1997-08-01), Wadsworth et al.
patent: 5664194 (1997-09-01), Paulsen
Compaq Computer Corporation; Phoenix Technologies Ltd.; and Intel Corporation "Plug and Play BIOS Specification, Version 1.0A" 56pp, May 5, 1994.
Intel Corporation; Microsoft Corporation "Plug and Play ISA Specification, Version 1.0a" 66pp, May 5, 1994.
Shanley, Tom/Anderson, Don, Chap. VII, "The Power-Up Sequence," pp. 113-117; Chap. XV, "ROM Memory," pp. 315-332; Chap. XXI, "RTC and Configuration RAM," pp. 441-447, ISA System Architecture, 3.sup.rd Edition, Addison-Wesley Publishing Co., U.S., 1995.

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