Once you have swapped discs, press F5 so iBoot can detect the new disc. You can use the CD icon at the bottom of the VirtualBox screen to do this while the machine is running. Once it does, you need to change the CD image to your Snow Leopard DVD. Now that your machine is configured, it's time to start it.

Everything else should be good like it is. On the Storage settings, you can select the iBoot ISO for the CD image. Set Video Memory to 64 MB and check Enable 3D Acceleration. Make the CD/DVD-ROM first in the boot order list.

Intel VT-x virtualization available and enabled in BIOSĮdit the settings and go to the System settings.

Sandy Bridge core i machine (other machines may work, but I haven't tested this).

VirtualBox 4 (I'm using 4.1.4 on gentoo Linux amd64).

10.6.3 Snow Leopard install disc (other 10.6 install discs should work, but I haven't tested this).

iBoot 3 from tonymac (free, but forum registration required).

Below are the steps for getting Snow Leopard 10.6.8 running in VirtualBox 4 using EFI emulation on your Sandy Bridge machine. I would configure VirtualBox to not use EFI and install using iBoot, upgrade to 10.6.8 (which supports Sandy Bridge), and then switch on EFI. So I decided to combine installation strategies.

All the ones that shipped had modified versions of 10.6.7 installed. Then I remembered that Snow Leopard didn't initially run on Sandy Bridge machines.

I thought I might be able to fix these problems by using VirtualBox's EFI emulation. There was no sound output at all (not that important to me, but an annoyance just the same). Selecting 'About this mac' from Finder caused Finder to crash, and with it, all currently running applications. Restarting the virtual machine causes a kernel panic. I used the iBoot + Easybeast method developed by tonymac, but there were a lot of things that irritated me. I eventually ran across some sites saying that Core i users were having trouble using the EFI method and would need to use the standard hackintosh methods to run OS X on non Apple hardware. However, my new machine is a Core i5 (Sandy Bridge) and the 10.6.3 install disc wouldn't boot in VirtualBox. My old machine was a Core 2 Quad (Kentsfield), and I was easily able to install Snow Leopard in VirtualBox 4 using EFI emulation. I don't like Macs well enough to use all the time, but I need one to build software for Mac. Although my machine is capable of being a hackintosh, it is usually easier to build software in a virtual machine which doesn't require restarting. I recently built a new computer and have been trying to get Mac OS X working on it. VirtualBox 4.1.24 seems to be the last version where this will work. Edit: 2013-May-23 - This doesn't seem to work with new versions of VirtualBox.

Mac os x 10.6.8 update combo