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View Full Version : How to Install Tiger 10.4 OS and Leopard 10.5 OS onto the same hard drive.


laurentio
1st May 2009, 05:38 PM
Here is my method for installing Leopard Beta alongside Tiger on the same physical internal drive.
(this method works on Intel based macs only)

1. Partition your hard drive with Bootcamp. (non-destructive partitioning)
[I gave about 30GB to Leopard and left the rest of my 250GB drive to Tiger.]

2. Reboot your system with the Tiger installation disk in your drive holding down the "c" key.
Use the Tiger installation disk to run "Disk Utility" instead of Leopard Beta Disk (more reliable utility)

3. After booting from DVD in Disk Utility select your newly created partition in the left column
then go to the Erase Tab. Make sure Mac OS X Extended (Journaled) is selected for the new Partition format
and click the erase button in the lower left.
(Doing this erases the Windows formated Partition and creates a Mac OS formatted partition in it's place.)

4. Now reboot your Mac with the Leopard WWDC disk in and run a full installation on your newly created
partition.

This dual boot method has worked flawless for me.

If anyone has question feel free to ask/post here.