can you install 2 versions of OS X?

twoodcc

macrumors P6

Original poster

• Mar 22, 2007

• #1

could i install 2 different versions of Mac OS X on the same computer if i have multiple hard drives? or does it have to be installed on the first hard drive?

 

liketom

macrumors 601

• Mar 22, 2007

• #2

i can not see a problem - 2 hard drives 2 versions of OS

(tiger and say leopard that is )

 

Benjamin

macrumors 6502a

• Mar 22, 2007

• #3

don't even need two hard drives, just two partitions, i believe.

 

twoodcc

macrumors P6

Original poster

• Mar 22, 2007

• #4

thanks guys. but i'll back up my data just in case

 

mad jew

Moderator emeritus

• Mar 22, 2007

• #5

Then, boot up holding OPTION and it should give you a screen asking which system you want. 🙂

 

Sun Baked

macrumors G5

• Mar 22, 2007

• #6

Benjamin said:

don't even need two hard drives, just two partitions, i believe.

Click to expand...

yep, partitions ...

Works great for upgrades on a work machine, always wait until you know a version is stable before upgrading the backup.

That way if there is a problem, you can always revert to the copy of the OS you know will work.

 

twoodcc

macrumors P6

Original poster

• Mar 22, 2007

• #7

mad jew said:

Then, boot up holding OPTION and it should give you a screen asking which system you want. 🙂

Click to expand...

i thought that was only with bootcamp?

 

B

BigPrince

macrumors 68020

• Mar 23, 2007

• #8

Nopes, works for anything you can boot off. Firewire, USB, Network, interal harddive, etc...

 

twoodcc

macrumors P6

Original poster

• Mar 23, 2007

• #9

BigPrince said:

Nopes, works for anything you can boot off. Firewire, USB, Network, interal harddive, etc...

Click to expand...

oh ok. for some reason i thought bootcamp put some kind of bootloader on your hard drive. i guess that's something different