System for preventing unauthorized use of a personal computer an

Details System for preventing unauthorized use of a personal computer an System for preventing unauthorized use of a personal computer an

1996-08-12

1998-10-27

Beausoliel, Jr., Robert W.

39518701, 39518801, 395 2059, G06F 1100

Patent

active

058288317

ABSTRACT:
A personal computer having a security function, a security method therefor, and methods of installing and detaching a security device are provided. The personal computer includes: an input/output and memory portion for inputting, outputting and storing a password; a hard disk for storing the password and a boot sector without partition, which is booted in response to a booting permission signal; a security program storing portion for storing the password and for generating the booting permission signal in response to an initializing signal according to whether the password is valid and whether the hard disk is the hard disk initially installed in the system, and having a boot sector program with partition, and a boot sector protection program for protecting the boot sector of the hard disk; a security portion for processing the boot sector protection program and for performing both read and write operations, the security portion including the security program storing portion; and a central controller for controlling the hard disk, the input/output and memory portion, and the security portion, and for generating the initializing signal when power is turned on, wherein the hard disk is booted in response to whether the security portion exists and whether the security portion is the initially installed security portion. Therefore, a booting control security function can be provided using the boot sector of the hard disk and a security function of the boot sector of the hard disk and data can also be provided.

REFERENCES:
patent: 5375243 (1994-12-01), Parzych et al.
patent: 5469564 (1995-11-01), Junya
patent: 5535409 (1996-07-01), Larvoire et al.
patent: 5537544 (1996-07-01), Morisawa et al.

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