How to install OSX 10.5 Leopard on your Intel computer


Don't forget to read this before installing
I forgot the 'requirements' section on purpose. Please read through the whole guide and write down the things you need. This sounds stupid, but I want to force you to read through the whole guide prior to trying things out.

The actual guide 0. First you need to check if your CPU supports at least SSE2 (if you already know that your CPU supports at least SSE2, skip to the next step).

>> Download CPU-Z
>> Unzip and start the program. In the CPU tab, look if you see SSE2 somewhere (if you also see SSE3, congratulations, you have the perfect CPU!). If you only see SSE, ask your dad for a new CPU, otherwise this won't work.

1. If you are using Windows XP go to step 2. If you are using Windows Vista, skip to step 3.

2. You need to create at least 6GB unallocated space on your hard disk. If you know how to do this, don't hesitate to use your preferred method. If you don't know how to do this, download Partiton Magic 8 and shrink one of the partitions on your hard drive. After you've done that, skip to step 4.

>> Click on ‘Resize/Move Partition
>> Move the slider to make the partition smaller and hit OK
>> Click on ‘Apply’
>> Close Partition Magic


3. You need to create at least 6GB unallocated space on your hard drive. To do this, follow the steps below.

>> Press the windows logo in the bottom left corner of you screen
>> Right click ‘computer’ and select ‘manage’
>> Select ‘Disk Management’ in the ‘Computer Management’ screen.
>> Select a partition with at least 6GB of free space
>> Right click it and hit ’shrink volume”
>> Type in the amount of space to shrink (at least 6GB) and hit ‘Shrink’.
>> Close all open windows.


4. In Vista, hit [windows button] + R. In XP, go to start > Run. Type 'diskpart' (without quotes) in the run window and press OK.

5. In the command window, type:

>> List disk
>> Select disk [disk #]
>> List partition
>> create partition primary id=af
>> active

6. Insert the Leopard install disk (if you don't have it, search for a ToH RC2 disk on the usual places...) and reboot your computer.If it doesn't boot up your Leopard disk you may have to change your BIOS settings to alow booting from a DVD.

7. Wait for the DVD to boot up and select a language. Somewhere in the toolbar at the top of your screen (after you selected a language!) you'll see 'Disk Utility'. Open it and select the partition you created in step 5. Format it to HFS+ (journaled) and call it Leopard.

8. Follow all installation steps on your screen. Choose the HFS+ (journaled) partition you created in step 7 and don't forget to hit customize. Depending on the install disk you use you need to select or deselect packages.

9. The install will take about an hour, depending on your computer configuration. Take a cup of coffee and start praying.

10. When the installation finishes your computer should boot into Leopard! If it does, skip to step 16. If it does't, go to the next step.

11. Boot the Leopard instalation DVD again.

12. Open a terminal window (see the toolbar, it should be there) and type:

>> /usr/misc/script.sh Leopard (if you named the partition 'Leopard', if you gave it another name, replace 'Leopard' with your name)

13. Leopard should start booting now! If you are lucky, you can use it now, if you get a kernel panic, read on, otherwise, skip to step 16..

14. Restart the computer and hit F8 when you see the bootloader. Type in "cpus=1" and hit enter. If you still get a kernel panic, read on, otherwise skip to step 16.

15. Boot into your BIOS and disable SpeedStep. Try to boot Leopard now, still not working? Try to boot it in safe mode (type -x in the command line). if it's still not working, go to step 16.

16. When booted into Leopard, play with it for a while and then fire up a new terminal window. Type

sudo nano /library/preferences/systemconfiguration/com.apple.boot.plist

17. Type cpus=1 in the kernel flag string if you needed that flag in step 15. Add

Timeout
5
below the last string to setup a timeout for the bootloader. This'll allow you to choose your Windows partition when you start your computer.

18. You should now have a working dual boot configuration! Maybe there are still a few things not working like you hoped, search the forums at forums.osx86scene.org and forum.insanelymac.com for help. If you search the board before posting and use common sense, I'm sure that the community will help you.

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