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Triple-boot support — Mac OS X 10.6, Mac OS X 10.8  and Windows via Bootcamp?

742 Views 7 Replies Latest reply: Aug 17, 2013 6:22 PM by Peter Miller RSS Branched to a new discussion.
Peter Miller Level 4 Level 4 (1,955 points)
Currently Being Moderated
Aug 12, 2013 8:08 PM

Hi,

 

I'd like some advice regarding the possibility having three operating systems on a single Mac Pro (2008), and would like some advice on what to do, here is an overview of my current setup for reference.

 

Processor: 2 x 2.8Ghz Quad Core Xeon

Memory: 6GB 800Mhz DDR2 FB RAM

Graphics: 1GB ATI Radeon HD 5770

 

Software:

 

I currently have Mac OS X 10.6.8 on my primary HD (500GB), and Windows XP running on partition on a second HD (1TB) installed in Bay 2 installed using Bootcamp.

 

I also have a a third HD (2TB) installed in Bay 3, with a Time Machine partition and another large partition for file storage. — HD Bay 4 is empty.

 

------

 

This brings me to my question of whether it is possible to install Mac OS X 10.8 and newer onto another drive, specifically a new drive in Bay 4 (empty); then be able to boot into Snow Leopard (10.6) as my primary OS, and have Mountain Lion (10.8) and Bootcamp as secondary operating systems?

 

Is this possible or does the BIOS of my Mac Pro prevent it? — In which case is would buy a second Mac to run Mountain Lion and above.

 

My reasoning is is have older software which is not compatible with Mountain Lion. (Yes, I have looked and there are no available updates for the programs.)

 

Thanks for all suggestions.

Mac Pro (Early 2008), Mac OS X (10.6.8)
  • kaz-k Level 4 Level 4 (1,995 points)

    Following wiki could be a hint for your consideration.

    http://wiki.onmac.net/index.php/Triple_Boot_via_BootCamp

  • The hatter Level 9 Level 9 (58,595 points)

    you don't need special instructions.

     

    Seems like a waste to use 1TB just for XP

     

    And maybe your current system drive is old or has all the media files on it.

     

    you could have 10.8.3 and 10.6.8 on one drive.

  • The hatter Level 9 Level 9 (58,595 points)

    I DO NOT use large drives for booting.

     

    I use small fastest device possible.

     

    All the data is on other drives.

     

    If you mix on same drive be sure you format and install with the newest first and have Recovery partition first.

  • The hatter Level 9 Level 9 (58,595 points)

    higher density generally you will find as 2TB drive faster and you could reduce seeks and head arm by partitioning off a smaller system volume.

     

    You will like how snappy an SSD is .

     

    The difference between a system only on 1TB WD vs WD 10K VR vs SSD, is noticeably even if you have moved user. On an SSD leave the home library on the ssd, faster and takes advantage.

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