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Is anyone running OSX Mavericks on a 2007 iMac?

I have a 2007 4gig Ram 24" base model that I recently erased and installed Mavericks on.

It had weird permissions issues after being upgraded from Tiger -> Leopard -> Snow Leopard -> Lion -> Mountain Lion so I decided to do a clean install.

The performance is much better with Mavericks. It is used as a school/family machine for my kids and it performs fine for school work, web use, and occasional game.

I thought about adding a 4 gig stick to take it up to 6gig of ram which is max but so far I've just not seen any reason to spend the money as the workload that is used on it at the moment never uses up all the ram.
 
I have an early 2008 2.8 Core2Duo, 4gig, 24" that I installed 10.9.3 (the whole 5.6gig download) over 10.8.5 on, and it's working great! It's actually faster and more responsive than it was under ML.

I've been using a small app called "MemoryStick" to keep track of swapfiles under ML, because with only 4 gigs of ram my computer was always writing to disk. Whenever I reached 5-6 swapfiles it would slow to a crawl and I would have to quit programs or reboot. I've been running 10.9.3 for 3 days now, and I've never gotten over 2 swapfiles, and my comp hasn't slowed at all. I think the new memory compression scheme really works to the benefit of older machines.

I did keep everything I could updated to the latest versions under 10.8.5 so there wouldn't be too many incompatibility issues, and, in fact, there were very few issues at all. Everything still works as it should.

I was hesitant to try, but I'm very, very happy I updated. Of course, I don't have to mention that you should have a current backup, just in case. :D
 
hologram said:
I have an early 2008 2.8 Core2Duo, 4gig, 24" that I installed 10.9.3 (the whole 5.6gig download) over 10.8.5 on, and it's working great! It's actually faster and more responsive than it was under ML.

I've been using a small app called "MemoryStick" to keep track of swapfiles under ML, because with only 4 gigs of ram my computer was always writing to disk. Whenever I reached 5-6 swapfiles it would slow to a crawl and I would have to quit programs or reboot. I've been running 10.9.3 for 3 days now, and I've never gotten over 2 swapfiles, and my comp hasn't slowed at all. I think the new memory compression scheme really works to the benefit of older machines.

I did keep everything I could updated to the latest versions under 10.8.5 so there wouldn't be too many incompatibility issues, and, in fact, there were very few issues at all. Everything still works as it should.

I was hesitant to try, but I'm very, very happy I updated. Of course, I don't have to mention that you should have a current backup, just in case. :D
Click to expand...

Mavericks appears to be very smooth/slippery, improving performance on lots of slightly older hardware. It's running like a dream on my 2010 iMac and on my son's 2008 MacBook. I'm getting ready to slap it on my daughter's 2008 iMac.
 
Anonymous Freak said:
Yup, the one in my signature.

It has been upgraded to a faster CPU, max RAM, and a faster-than-original 1 TB hard drive. But it still has the stock Radeon HD 2400 XT with 128 MB VRAM.

In Mavericks, I get the occasional video hiccup (I use the internal display plus an external 1080p display,) where parts of the screen just stop updating regularly. So I'll minimize a window, but that window's contents stay visible. If I move the "new front" window around, it may or may not update the screen. The only way to fix this is to log out or reboot. It also only ever occurs with GPU-intensive applications, but *NOT* 3D applications! So games work fine, but things like iMovie or iPhoto, which use GPU acceleration, will cause it if I'm in the app too long.

Other than that, it's great.
Click to expand...

I should update - one of the Mavericks updates (not sure which one,) seems to have cured this. I haven't had the freezing screen in a while now. Still have the occasional Bluetooth hiccup (where it claims a device is "connected," but it doesn't talk to it, usually either my Magic Mouse or trackpad,) but that only happens when waking from sleep any more. (Solution? Don't let computer go to sleep...)
 
Running Mavs on my '07 iMac also, it is my "garage computer" and I've been ridiculously busy the last few months so I haven't been using it much.

I do a bit of woodworking and what not so I ended up moving this machine out there so I wasn't going back and forth bringing saw dust, sweat, etc to my office chair every time I wanted to check plans or any how to vids.

My wife seems to like this much more :)
 
Mavericks was fine on my 2ghz core 2 duo imac from 2007.

I'm now running Yosemite and If anything it may be faster than Mavericks but I have fitted a SSD in place of the hard disk and am running 4gb of ram.
 
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