HT1557: About firmware updates for Intel-based Macs
Learn about About firmware updates for Intel-based MacsQ: iMac w/Intel Core 2 Duo that is currently OS X Version 10.4.11. I'm trying to get it updated to at least 10.5 but cannot find the ... iMac w/Intel Core 2 Duo that is currently OS X Version 10.4.11. I'm trying to get it updated to at least 10.5 but cannot find the software update for it (when I run the updater it says there are none available). Am I SOL? Or is there a way? more
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Helpful answers
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Jul 8, 2012 9:09 AM in response to oztuckby Matt Clifton,Updates from 10.X to 10.Y are never free. Good news is, you can buy a retail 10.6 install DVD ($30 from Amazon or other online sources), install it, update to 10.6.8, and then go directly to 10.8 when it gets released next month ($20).
How much RAM do you have? I'd recommend at least 4GB.
Matt
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Jul 8, 2012 9:25 AM in response to Matt Cliftonby Grant Bennet-Alder,Matt's plan is a good one. You need not go through each major Upgrade -- you can skip 10.5 altogether.
But I am not sure whether pre-2008 Mac Pro will support 10.8. -- 10.7 may be as far as 32-bit-only firmware (pre-2008) Macs can go.
Stay tuned for the final word when the software is actually released, expected this month (July 2012).
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Jul 8, 2012 9:56 AM in response to Grant Bennet-Alderby MiiCK,Mountain Lion Supported Machines
Supported
Models- iMac (Mid 2007 or newer)
- MacBook (Late 2008 Aluminum, or Early 2009 or newer)
- MacBook Pro (Mid/Late 2007 or newer)
- Xserve (Early 2009)
- MacBook Air (Late 2008 or newer)
- Mac mini (Early 2009 or newer)
- Mac Pro (Early 2008 or newer)
Requirements
General Requirements
- OS X v10.6.8 or later
- 2GB of memory
- 8GB of available space
- Some features require an Apple ID; terms apply.
- Some features require a compatible Internet service provider; fees may apply.
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Jul 8, 2012 10:19 AM in response to oztuckby noondaywitch,As noted, It's not an update - it's a major OS upgrade.
10.5.x is possible, but difficult to get hold of and expensive.
10.6.x is still available from the online Apple Store for around $30; http://store.apple.com/us/product/MC573Z/A?fnode=MTY1NDAzOA
Note that it is no longer available from Apple High St stores.
I frankly wouldn't bother with Lion or ML, but if you feel the need, you'll need to update to 10.6.8 in order to download them from the App Store. http://support.apple.com/kb/DL1399
Expect to need updated drivers for printers or scanners, and some applications may require updates.
If you use AppleWorks or other PPC era applications like earlier versions of MS Office, be aware that you need to select Rosetta during the Snow Leopard installation.
Lion & ML will not run those applications at all.