Maybe.
Mar 16, 2014 Unlike when doing a Clean Install of OS X Mountain Lion, where the Recovery HD partition is created for you automatically, well thing have changed slightly, when doing a Clean Install of Mavericks. Oct 22, 2013 If you are in a hurry to try OS X 10.9 Mavericks, but you want to have the option to easily go back to your old OS X, here is how to install it on a new partition. Category Science & Technology.
If both OS 9 and OS X are on different volumes (partitions of the hard drive), then you can use Startup Manager at boot to select which one you want to use. To do that, as soon as the startup chimes sound press the Option key, keep it held down until the Startup Manager screen appears. This is a rather plain (blue or grey) screen with icons representing each of the available bootable volumes. Select the one you want, and press Return.
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If both OS's are on the same volume (partition), then it gets a bit more complicated. Startup Manager can't be used in this configuration, because it will recognize only the most recently used OS on any one partition. But, you can use that characteristic to your advantage.
Set Startup Disk control pane(l) to OS 9 in both OS's; start with OS X's, restart so it is in OS 9, then be sure OS 9's is set to OS 9. This means that whenever you then boot the machine normally, it will always boot into OS 9.
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How To Partition For Os 9 And Os X 2
Now, to boot into OS X when you want to - as soon as the startup chimes sound, press the X key and keep it held down. This is a one-off instruction to the Mac to boot using the first available instance of OS X that it finds, and will not change the setting for Startup Disk. You can release the X button as soon as you know the machine is loading OS X.
How To Partition For Os 9 And Os X 7
Nov 16, 2017 6:24 AM