What new MacbookPros will support dual booting Lion and Snow Leopard?

I was looking at http://www.macmall.com/n/macNavLinks-305?q=8899071
I need a system that can dual boot so that we can use older software that isn't supported by Lion.

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Make dual boot Lion and Snow Leopard Mac ???

I have a SSD for my MBP. I formatted it with two partitions and installed snow leopard on each. I also have a 400 GB HDD that has snow leopard on it. I'd like to trade out my optical drive for the SSD. I'd like to update one SSD partition to Lion, then use the software and data files from the HDD for both snow leopard and Lion. That way I hope to still use the snow leopard software that is not compatible with Lion (I still have some legacy PPC programs) and have the benefit of new Lion only software.
Can I do this? If so what do I have to do? Any resources with HOW-TO for this sort of thing??
2009 MBP with 10.6.8

Do you have any tips for making your home folder stay on the HDD and still get the files I need on each SDD partition?
I assume you are talking about application-specific data like preferences. Most stuff is kept in your home dir. You really have to know which apps are exceptions that put stuff in /Library and other boot disk related places (e.g., kexts). I always keep careful records of what goes where from anything I add to my system so I know how to handle this. Generally though I suppose Migration Assistant helps most users (I never used it).
One scheme you might do is simply ignore the problems until they occur on a app-by-app-basis. If you run from one of the boots and something you use needs a kext or registration because its not on your common home dir, then install as needed or reregister as needed. Preferences can easily be respecified (or dragged from a backup if you know what to look for and where).
Most of your stuff in your home dir will run as it did before if the stuff doesn't use any boot directories. But as I said in my first post there is that risk that some apple-specific data bases might have changed going from Snow Leopard to Lion like those Mail and Address Book examples. No way of know that until you try. Hence the emphasis on backups.
If there are some user-specific data that has changed between Snow Leopard and Lion (say, it's Mail or Address Book) then this whole common-home-for-both-snow-leopard-and-lion scheme needs to be rethought. As I said earlier, it has always worked within a single OS family and I don't recall even having any problems up to Snow Leopard. But the jury is still out on Snow Leopard to Lion.
With respect to applications you want to put on the SSD, that's your choice. What do you use the most and launch most often? Put them on your SSD if you wish. Thinking out loud -- maybe consider a relatively small third partition for these apps on the SSD. It would appear as just another mounted volume on your desktop and then you would have only a single instance of those apps for both boots. Most apps don't need to be in /Applications. Those that do of course would have to have two instances, one for each boot.

Dual boot Lion and Snow Leopard?

I have a first generation MacBook Pro unibody, and recently installed Lion on it. I had been using Snow Leopard since it came out, and it works beautifully. I had no idea (should have done my homework) that several of my programs would cease to function. I have a Nikon Super Coolscan 4000 ED that I need Nikon Scan 4.2 to run, as well as Photoshop CS2 that I use to edit my images from the scanner. I don't really want to pay for Silverfast as it is over $400 and see no need when Nikon Scan works beautifully. I am planning set up a second partition on my hardrive and installing Snow Leopard on it to run those two programs. My questions are this:
How much space should my second partition be?
Can I access the image files on Lion from the Snow Leopard partition?
Thanks,
Jared

IMHO the Nikon software requires Rosetta and Lion doesn't have it. So you can't use it with Lion.
Since I have PS CS3, I don't know about PS CS2 but I suspect it is also in the same boat.
If you set up a Snow Leopard partition, my suggestion would be to make it at least 40 GB larger then your current photo library.
Allan

Want to Dual Boot Tiger and Snow Leopard

I have 4 internal SATA drives on my 2007 Mac Pro, and my boot drive is Tiger 10.4.11. I just purchased Snow Leopard (Box Set), with the intention of creating a second internal boot drive that boots Snow Leopard.
I mentioned this in passing to a senior Apple Tech who indicated he thought I could do it. However I seem to remember reading the second boot drive should be an External Fire Wire.
The first question is, can I create a second boot drive (using Snow Leopard) on my Mac Pro on an internal HD?
Second question is, can the second Snow Leopard boot be on a partition? I just bought a 2 TB WD that I'd like to split up.
Thanks!

can I create a second boot drive (using Snow Leopard) on my Mac Pro on an internal HD?
Yes.
Second question is, can the second Snow Leopard boot be on a partition?
Yes.
Note that Spotlight will reindex the drives each time you change OSes unless they're excluded in System Preferences.
(50388)

Can I partition a new macbook air hd to run lion and snow leopard?

I have a new 2011 Macbook Air and it came with Lion. I still have some mission critical programs that are not yet compatable with Lion. Can I partition the HD (I have 256GB) and dual boot with Snow Leopard? I have the Snow Leopard upgrade disk from another Mac. Will Snow Leopard work on this machine?

No. The new MBAs require Lion and will not run Snow Leopard.

Can I dual boot Mavericks and Snow Leopard?

Hello. I own a 2011 i5 iMac. I recently started working with some softwares that will only work properly on Snow Leopard, but I have Mavericks installed. My question is: can I create a new partition in my HD and use BootCamp to install Snow Leopard?

If it is a Late 2011 model, then you cannot. The earlier models came with a special version of Snow Leopard on DVDs. You can install only that version of Snow Leopard. If you've lost those discs, then you are out of luck.
You do not use Boot Camp for this. Rather, you will use Disk Utility.
To resize the drive do the following:
1. Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
After the main menu appears select Disk Utility and click on the Continue button. Select the hard drive's main entry then click on the Partition tab in the DU main window.
2. You should see the graphical sizing window showing the existing partitions. A portion may appear as a blue rectangle representing the used space on a partition.
3. In the lower right corner of the sizing rectangle for each partition is a resizing gadget. Select it with the mouse and move the bottom of the rectangle upwards until you have reduced the existing partition enough to create the desired new volume's size. The space below the resized partition will appear gray. Click on the Apply button and wait until the process has completed. (Note: You can only make a partition smaller in order to create new free space.)
4. Click on the [+] button below the sizing window to add a new partition in the gray space you freed up. Give the new volume a name, if you wish, then click on the Apply button. Wait until the process has completed.
You should now have a new volume on the drive.
It would be wise to have a backup of your current system as resizing is not necessarily free of risk for data loss. Your drive must have sufficient contiguous free space for this process to work.

Multi boot lion and snow leopard

Hello everyone,
I'd like to know, how to show boot screen at every mac's reboot...
In practice I would like that the screen below remains visible for about 10 seconds..
Thanks for help!
Alex

as I understand it, what you're looking for is a boot manager
this article might help: http://www.brighthub.com/computing/mac-platform/articles/75525.aspx
EDIT: either that, or hold the option (alt) key down when booting to show that menu - though I guess you're looking for something more permanent?

Dual boot drive - Mountain Lion and Snow Leopard - Correct order to load software /apps?

Hi
I want to create a dual boot drive for Mountain Lion and Snow Leopard as some of my hardware (is not supported in Mountain Lion).
I am happy how to do this, I just want to know if there is a correct way to install software and apps.
My plan was to do a clean install of both using two partitions, the larger going to ML and smaller one for SL. I was going to install SL from the DVD and then after updating from 10.6. to 10.6.8 and download ML from the app store and install on the larger partition.
Do I install all the software I use like Final Cut, Aperture, iLife (for Garageband) etc on the ML or SL partition or on both. Also, is there a better way / practise of the order software updates / apps and boxed software should be installed when doing a clean machine install.
Thanks in advance.
Matt

Thanks mende1
So, if I have software I need to use on both ML and SL - for example Final Cut as I have a Canopus AVDC box which is not supported in ML but only SL, do I need to install the same software in both OS?
I usually open apps using spotlight and didn't know if it would software / apps would open if already installed on the other partition?
Thanks again
Matt

[SOS]Which mac mini device can install dual boot(Lion and Mt Lion)?

Salutations!
Due to my assignment, I need to get mac mini device which support dual boot.
Which mac mini device model/firmware can we install dual boot(Lion and Mt Lion) on it?
I got late 2012 one, but it looks like it does not support.
Please help me.
Thank you so much,
TriQuang

Hi Niel,
Thank you for your fast reply. So if I buy mac mini MC815 model, which comes with preinstalled Lion I can run dual boot(Lion and Mt Lion)?
I have one more question: Can I install Mac OS 10.6 on that mini device? If it's not supported which mac mini model can I get to support Snow Leopard and Lion and Mt Lion?
Thanks and best regards,
TriQuang

Anyone using Lion and Snow Leopard? I will be soon.

I will soon be using both Lion and Snow Leopard on my newly upgraded hybrid hard drive.I know that I should need to partition the drive into three 1 for Lion 1 for SL and 1 for data/applications.
The problem is how is how much space should I give each partition?
Has anyone done this before or have any good ideas how to go about it?
Some extra info:
I am currently using a MacBook Pro (mid 2009 13")
I am currently using Lion OS X v10.7.4
The new drive is 750GB Seagate Momentus XT 7200rpm 8GB(solid-state) hybrid drive
The soon to be replaced drive is a stock 250GB 5400rpm HDD
Thanks all help appreciated

It's important that you leave a minimum amount of free space for the OS to use. You will see anywhere from 16 to 30 GBs for your OS and iLife apps. You need enough space to allow for all your third-party applications and document files. When fully set up you may have only 30 GBs of free space which is an appropriate amount to have, but not less than 20 GBs. That makes 60 GBs a reasonable minimum size.
If you haven't put everything in concrete, I might suggest going with a 500 GB Seagate XT hybrid together with a 128 or 256 GB SSD using an OWC DataDoubler replacing the optical drive. I suggest that mainly because using the same hard drive for the OS and Data partitions will actually make file I/O slower. Having two drives and using an SSD for the startup volume will enhance file I/O operations. Only two partitions on the SSD - each 60 GBs - fit neatly in 128 GBs.

Can I have both Lion and Snow Leopard on One Hard Drive?

My problem is I need to run a PowerPC game on Lion which Lion no longer supports. So i thought i could download Snow Leopard back to my Mac and partiition my hard drive in the process as that is the only way i know of to have both Lion and Snow Leopard. I went through the Boot Camp Asistant process and it seems it will only partition Windows 7 to my Mac when i need Snow Leopard. If anyone has any idea how to help me have both Lion and Snow Leopard at the same time on just one hard drive or figure out how to run the PowerPC programs on my Mac (if there is a way around it). The help will be well appreciated!

How To Run Snow Leopard On A New Mac
This does not apply to new Mac Minis or MacBook Airs. When newer models are introduced that also require Lion for hardware support, the techniques described below will no longer work with the possible exception of using Parallels 7.
What has to be done:
Create a new partition on the hard drive.
Get a clone of a 10.6.8 Snow Leopard system. Put the cloned Snow Leopard system onto the new partition.
Step One: Create a new partition on the hard drive
To resize the drive and create a new partition do the following:
1.    Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
       After the main menu appears select Disk Utility and click on the Continue button. Select the hard drive's main entry then click on the Partition tab in the DU main window.
2.   You should see the graphical sizing window showing the existing partitions. A portion may appear as a blue rectangle representing the used space on a partition.
3.    In the lower right corner of the sizing rectangle for each partition is a resizing gadget. Select it with the mouse and move the bottom of the rectangle upwards until you have reduced the existing partition enough to create the desired new volume's size. The space below the resized partition will appear gray. Click on the Apply button and wait until the process has completed. (Note: You can only make a partition smaller in order to create new free space.)
4.   Click on the [+] button below the sizing window to add a new partition in the gray space you freed up. Give the new volume a name, if you wish, then click on the Apply button. Wait until the process has completed.
You should now have a new volume on the drive.
It would be wise to have a backup of your current system as resizing is not necessarily free of risk for data loss. Your drive must have sufficient contiguous free space for this process to work.
Step Two: Obtain a clone of a Snow Leopard system:
You will need access to a Mac already running Snow Leopard. You will need a 16 GB USB flash drive or an external hard drive to which you can clone the Snow Leopard system from the Mac that has Snow Leopard installed. Alternatives are:
Option One:
Install a new Snow Leopard system onto a USB flash drive. Boot the Mac used for installing with the USB flash drive. Update the flash drive system to 10.6.8 using the Mac OS X 10.6.8 Update Combo v1.1 to update Snow Leopard. Verify that you can boot the Mac with the USB flash drive.
Take the USB flash drive to your new Mac and try booting from it. If it works then clone the system from the flash drive to the newly made partition:
          Clone using Restore Option of Disk Utility
Open Disk Utility from the Utilities folder.
Select the destination volume from the left side list.
Click on the Restore tab in the DU main window.
Check the box labeled Erase destination.
Select the destination volume from the left side list and drag it to the Destination entry field.
Select the source volume from the left side list and drag it to the Source entry field.
Double-check you got it right, then click on the Restore button.
          Destination means the new partition on the internal drive. Source means the USB flash drive.
Option Two:
If you have a large enough external drive you can erase and use, then it would be easier to just clone the entire Snow Leopard system from the source Mac computer to the external drive.
          Clone using Restore Option of Disk Utility
Open Disk Utility from the Utilities folder.
Select the destination volume from the left side list.
Click on the Restore tab in the DU main window.
Check the box labeled Erase destination.
Select the destination volume from the left side list and drag it to the Destination entry field.
Select the source volume from the left side list and drag it to the Source entry field.
Double-check you got it right, then click on the Restore button.
          Destination means the external drive. Source means the Snow Leopard Mac's internal drive.
After cloning verify that it will boot the source Mac. If so then take the external drive to your new Mac boot with it. If all is well then restore the clone to the new partition on your new Mac:
          Restore the clone using Disk Utility
Open Disk Utility from the Utilities folder.
Select the destination volume from the left side list.
Click on the Restore tab in the DU main window.
Check the box labeled Erase destination.
Select the destination volume from the left side list and drag it to the Destination entry field.
Select the source volume from the left side list and drag it to the Source entry field.
Double-check you got it right, then click on the Restore button.
          Destination means the new partition on the internal drive. Source means the external drive.
If the above seems too daunting then you might consider running Snow Leopard inside an emulator such as Parallels 7. You are permitted to install a single copy of Snow Leopard inside a virtual machine. You will need to first purchase a copy of Parallels 7 and install it on your new Mac. Create a new virtual machine configured for Mac OS X. You may then install Snow Leopard in the virtual machine then download Mac OS X 10.6.8 Update Combo v1.1 and update to 10.6.8. Be sure to include Rosetta in your initial Snow Leopard installation. Rosetta is not installed by default rather it's an optional install.

CAn I run Lion and snow leopard on the same computer with different sign-ins?

CAn I run Lion and snow leopard on the same computer with different sign-ins?

Alternatively, partition your internal HD and dual-boot it. Do note that you have to reboot to switch back and forth. You can't do it by logging out and back in.

Need OS X Lion and Snow Leopard for iCloud functionality but I have a windows bootcamp on my mac. Problem?

I have a windows bootcamp on my macbook. I need to download OX Lion and Snow Leopard so I can . If I do download both programs, will I loose my bootcamp functionality?
Much apprecitive.

In addition to what Kappy suggested, please check your Mac against the hardware requirements of Lion before starting this project.
Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7, or Xeon processor
2GB of memory
OS X v10.6.6 or later (v10.6.8 recommended)
7GB of available space
Allan

Please help test a gif program in Lion and Snow Leopard

Can anyone please help me by testing a Gif creation app on a Lion and Snow Leopard machine?
The app is called "GIFfun" and is free. It can be downloaded here: http://www.stone.com/GIFfun/
I have used this app for years on a Leopard machine, but needed to upgrade this week to Lion.
Since upgrading to Lion all white areas in Gifs i create are turned to grey and its causing me problems in my workflow.
I've purchased other Gif creation software to see if the problem was only with that app, but the grey areas are on all Gifs from all Gif creators, which makes me sure the problem lies with Lion.
It would be a real help for me to know that other Lion users had the same problem, and to know that Snow Leopard users didn't have the problem. (as i would downgrade my OS to Snow Leopard)
I've attached 3 images to test the app, these images need to be put into a folder and the folder dragged and dropped into the app.
I need to know if the white areas turn grey on your OS?
I will be really grateful if anyone can help me with this.
Thanks
Dave

Yes I see your problem.
Nothing you or I can do about third party software not preforming well in Lion.
Contact their support:http://www.stone.com/Form.html
or
Stone Contact Info
Tele: 505 345 4800
Fax: 505 345 3424
www.stone.com
[email protected]
Stone Design Corp
PO Box 6799
Albuquerque, NM 87197-6799

Running Lion and Snow Leopard on the same MacBook Pro

So here's the thing .....apparently Lion won't run Photoshop and Illustrator CS2 (which I'm quite happy with and not about to shell out silly amounts of money to Adobe for even CS3) and apparently there may be (and I stress may be) problems with Word 2008 (likewise money to Microsoft for Word 2011).
I think, and probably won't know till I've installed it, that I'd like to try Lion on my Macbook Pro but keep Snow Leopard as a separate OS to run Photoshop, Illustrator and if necessary Word until I can afford to pay Adobe (& possibly Microsoft though I can't really see what improvements they can make to Word 2008) the large amounts of money they seem to think they deserve for an upgrade.
Does anybody out there know if it is possible to run both Lion and Snow Leopard on the same machine and if it is how do I do it?
Thanks for taking the time to read this.

Likely a corrupted cache file
Read the
Deeper cache cleaning/resetting
https://discussions.apple.com/docs/DOC-3046

What new MacbookPros will support dual booting Lion and Snow Leopard?

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