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A method to install multiple OS into a PC 1 Disclosure Number: IPCOM000013091D
Original Publication Date: 2001-Mar-01
Included in the Prior Art Database: 2003-Jun-12

Publishing Venue



This invention is about a method to install multiple OS into a PC. PC-AT architecture allows only four partition table entries in the Master Boot Record. This invention installs a hidden extended partition table and enable the user to install more than four OS. Then the user can select one of the installed OS to use at every boot time. This system consists of 3 programs: 1. modified Master Boot Record (MBR) 2. Extended Master Boot Record (EMBR) 3. Installation Configuration program (XDISK.EXE)