Security control for computer power supply subsystem

Details Security control for computer power supply subsystem Security control for computer power supply subsystem

1997-06-06

2000-03-21

Palys, Joseph E.

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Protection at a particular protocol layer

713300, 713330, G06F 1100

Patent

active

060414138

ABSTRACT:
A computer system power-on security control apparatus is disclosed to provide shielding against unauthorized access to the computer systems. Firmware-level protection is provided instead of the conventional implementation at the operating system level. Repeated power-on and -off cycles inevitable in the process of trial entry of the password of the computer system can be avoided altogether, reducing the risk of potential damages to delicate subsystems in the computer while repeated trial of the password is attempted.

REFERENCES:
patent: 4959860 (1990-09-01), Watters et al.
patent: 5742758 (1998-04-01), Dunham et al.
patent: 5748888 (1998-05-01), Angelo et al.
patent: 5751950 (1998-05-01), Crisan
patent: 5857020 (1999-01-01), Peterson, Jr.
patent: 5867106 (1999-02-01), Bi et al.

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