While Disk Utility seems willing to let you modify your free space partition, it was displayed out of order on top of the Mac OS X and Windows partitions which made me nervous - as did the warning 'This disk appears to be partitioned for Boot Camp.

This is the tricky step - open Disk Utility and UNMOUNT (do not eject!) all the volumes on your intended disk. boot from your OS X 10.5 Install DVD and/or use target disk mode with another Mac).ĩ. Once your Windows install is complete, access your drive without booting an OS on it (i.e. (I installed Windows XP but this should work for Vista as well.) Reformat this partition to NTFS if you desire, and install Windows.Ĩ. When the Windows installer starts up it should only see the drive you intend to install Windows on. it should think you again have a 'normal' boot camp disk.)ħ. In Boot Camp you should now be able to continue installing Windows (i.e. In Disk Utility, select your intended Windows volume and erase it with a MS-DOS (FAT) volume format.Ħ. Still on the partition drive tab, delete the 'middle' partition (the partition that is not your intended OS X startup volume and not your intended Windows volume.)ĥ. Be sure to size the last (lowest) partition to equal what you want for Windows.Ĥ. In Disk Utility, select your drive, go to the partition tab, then select the partition you just erased and split it with the plus button. In Disk Utility, select your BOOTCAMP partition, go to the erase tab, and reformat it as HFS+ (journaled) - as Disk Utility can only resize or split journaled HFS+ partitions.ģ. Set the size of this partition to equal the combined size of the partitions you want for Windows and your other partition.Ģ.

Boot camp mac os x 10.6.8