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Browse Prior Art Database

Preventing Unauthorized Access on a Personal Computer System

IP.com Disclosure Number: IPCOM000036313D
Original Publication Date: 1989-Sep-01
Included in the Prior Art Database: 2005-Jan-28

Publishing Venue


Related People

Bealkowski, R Davila, R Dean, ME Lehman, CT Zyvoloski, KM [+details]


This article describes a technique to prevent unauthorized access to a personal computer system when setting the bad battery flag by having a byte in complementary metal-oxide semiconductor (CMOS) RAM that can be made read-only by power-on self-test (POST) so that the contents can be read out but not modified.