Archive for March 14, 2013

10.8.3

March 14, 2013

Mountain Lion image

Today Apple finally released OS X 10.8.3.

This release has been awaited by many Mac admins as the hope was that this version would support all Macs capable of running Mountain Lion. Prior to this release, the Late 2012 Macs (iMacs, 13″ Retina MacBookPros and Mac minis) required a different build of 10.8.2 than did other Macs.

This required having multiple restore images or OS installer pkgs and possibly multiple NetBoot disks to support all the Macs in your organization.

The hope (and assumption) was that 10.8.3 would unify the Mountain Lion builds, and that all recent machines would be able to use the new version.

How, though, to be sure? One way is to look at what Apple says. Mount the InstallESD.dmg disk image inside the 10.8.3 Install OS X Mountain Lion.app and take a look at /System/Library/CoreServices/PlatformSupport.plist.

One of the keys in this plist looks like this:

	<key>SupportedModelProperties</key>
	<array>
		<string>MacBookPro4,1</string>
		<string>Macmini5,3</string>
		<string>Macmini5,2</string>
		<string>Macmini5,1</string>
		<string>MacBookPro5,1</string>
		<string>MacPro4,1</string>
		<string>MacBookPro5,2</string>
		<string>MacBookPro5,5</string>
		<string>MacBookPro5,4</string>
		<string>Macmini4,1</string>
		<string>iMac11,1</string>
		<string>iMac11,2</string>
		<string>iMac11,3</string>
		<string>MacBook7,1</string>
		<string>MacBookPro3,1</string>
		<string>MacPro5,1</string>
		<string>iMac9,1</string>
		<string>Macmini3,1</string>
		<string>MacBookPro6,1</string>
		<string>iMac12,2</string>
		<string>iMac12,1</string>
		<string>MacBook5,1</string>
		<string>MacBook5,2</string>
		<string>iMac10,1</string>
		<string>MacBookPro7,1</string>
		<string>MacBookAir4,1</string>
		<string>MacBookPro5,3</string>
		<string>MacBookPro6,2</string>
		<string>iMac8,1</string>
		<string>MacBookAir3,1</string>
		<string>MacBookAir3,2</string>
		<string>Xserve3,1</string>
		<string>MacBookAir2,1</string>
		<string>MacBookPro8,1</string>
		<string>MacBookPro8,2</string>
		<string>MacBookPro8,3</string>
		<string>iMac7,1</string>
		<string>MacBook6,1</string>
		<string>MacPro3,1</string>
		<string>MacBookAir4,2</string>
	</array>

If your Macs are in this list, they should be supported by 10.8.3.

UPDATE: There are some Macs NOT in this list that are also supported by 10.8.3 — those are the “Late 2012″ Macs. See the follow-up post.


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