To install Mac OS X on the same actual MacOS 9.1 disk You must create two volumes partitions: one for Mac OSX and one for restored Mac OS9. To do this You must backup your actual Mac OS9 and company, on other disk and then :
1) Startup Your Mac with OS X Installer CD ( press and hold "C" key at...
I've sucessfully installed, on my Mac G3, OS 9 and OS X on the same ATA disk configured as MASTER on bus 0. To do this (after a complete backup ofcourse) I've created, on original 10GB disk, with OS X Disk Utility and from installer CD, two volumes partitions: FIRST 2GB partition where I've...