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.

Date of Patent:
May. 05, 1987

Filed:

May. 25, 1984
Applicant:
Inventor:

Daniel A Dawson, Santa Clara, CA (US);

Assignee:

Scientific Micro Systems, Inc., Mountain View, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ;
U.S. Cl.
CPC ...
364200 ;
Abstract

Disclosed is a computer system which includes multiple levels of bootstrap code. The first level of bootstrap code is stored in a non-volatile storage means associated with a host processor. A second non-volatile storage means is provided which stores a second level of bootstrap code. A processor means, separate from the host processor, controls access by the host system to both the first and second non-volatile storage means. The second non-volatile storage means in the preferred embodiment is electrically writable and erasable by the host computer system, by the processor means associated with the second non-volatile storage means, or by an input device provided for that purpose.


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