Power-on password functions for computer system

Details Power-on password functions for computer system Power-on password functions for computer system

G - Physics

06

F

354/221

G06F 11/30 (2006.01) G06F 12/14 (2006.01) G06F 21/00 (2006.01)

Patent

CA 2008619

POWER-ON PASSWORD FUNCTIONS FOR COMPUTER SYSTEM ABSTRACT A power-on password security function for a digital computer system allows the system software to distinguish between authorized and unauthorized users. Safeguards are made against corruption of password data which could lead to lock-out authorized users, and redundant checks allow the security function to operate even when first-level checks fail. The battery-powered RAM storage area used to hold the password when the system is turned "off" is protected against being accessible by unauthorized users when the system is turned "on".

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