Dismiss
The InnovationQ application will be updated on Sunday, May 31st from 10am-noon ET. You may experience brief service interruptions during that time.
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

IBM

Related People

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

Abstract

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.