Backing up your files is always a wise precaution and is strongly recommended. If you have an external drive you can use, I'd recommend cloning the entire drive (using a utilty such as Carbon Copy Cloner or SuperDuper) so that if something goes wrong you can easily get your system back to it's pre-upgrade state.
I have Version 10.5.8 and need to know if I have to go through Snow Leopard and Lion before upgrading to Mountain Lion, or can I just go direct to Mountain Lion? Specs below. Thanks! CyndyK
Model Name: iMac
Model Identifier: iMac7,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2.4 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 4 MB
Memory: 1 GB
Bus Speed: 800 MHz
Boot ROM Version: IM71.007A.B03
SMC Version (system): 1.20f4
You need Snow Leopard 10.6.8 as a minimum.
The specs were released today;
It would seem your iMac will run ML, but you'll need to max out the memory (RAM) - 2GB is minimum, but 4GB is likely to be more realistic.
Message was edited by: noondaywitch
Thank you, noondaywitch! Is there any point (or need) to upgrading to Lion once I get Snow Leopard? If I get more RAM, can I go direct to Mountain Lion? Or SHOULD I, may be the more important question?
Personally, my opinion is no - I've frozen my system at 10.6.5 after seeing Lion.
If you want to try ML, you don't need to load Lion first; you can go straight there from SL.
I would have a trip to your nearest Apple Store (or franchised retailer) after ML is released, and get as much time to play with it as you can before you consider upgrading. There're a lot of changes, not all of them universally popular. In any case I wouldn't be looking to update immediately a new OS is released - there are always bugs which were missed in the beta testing and I'd wait for about 10.8.3 before contemplating a move.
One consideration is that Lion & ML no longer support legacy PPC applications. Up to now they've been able to run on Intel Macs using Rosetta (a code tranlator/emulator). That's no longer supported from Lion.
So any Appleworks files would need translating to iWork (paid for apps), Apps like MS Office 2004 would need to be updated to 2008 or 2011 versions (not free), probably some device drivers would cease to work. Certainly any Adobe apps distributed before about 2009 would need updating (again, probably not free).
Even Snow Leopard will probably need printer & scanner drivers updating, and may have problems with earlier Adobe apps.
As for points, I understand there are buttons in the replies that only the original poster can see.
If you didn't start the thread, you can't award points.