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macrumors member
Original poster
Oct 6, 2008
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Hello,

My macbook pro i5 2.4ghz runs very hot while playing Starcraft II under OS X.
I read a lot on the starcraft forums to find out how to limit the framerate:

"Limiting the in-game frame rate to 30 or 40fps will help keep your Mac cool and prevent overheating. The Macbook Pros especially tend to run a little bit hot being in that nice tiny form factor. To limit the frame rate, type in and save the following into the Variables text file:

frameratecap=30
frameratecapGlue=30

"30" being the value of whatever number you want to cap it at. You will find the Variables text file under:

"Macintosh HD\Users\TheUserYouInstalledSC2Under\Documents\Blizzard\StarCraft II\"

The problem is that I cant find the variables file in my folder.. any ideas?
 

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Dont play while its on your lap. Itll get a little toasty if youre doing things that are hard on the computer, Starcraft probably being one of them.

If youre on a desk or table (or a flat surface, not on the bed) itll breathe ok and as long as its not shutting off its not 'over'heating, just running hot.
 
Dont play while its on your lap. Itll get a little toasty if youre doing things that are hard on the computer, Starcraft probably being one of them.

If youre on a desk or table (or a flat surface, not on the bed) itll breathe ok and as long as its not shutting off its not 'over'heating, just running hot.

your funny.
spread your legs and it runs cooler on your lap, due to increased airflow.
 
your funny.
spread your legs and it runs cooler on your lap, due to increased airflow.

I am :D thanks!
When im sitting...couch, bed, chair etc...i am constantly moving and changing positions to keep comfortable, and help with the temp. It still gets warm
 
Thats what he said :D

hahahaha :D

I am :D thanks!
When im sitting...couch, bed, chair etc...i am constantly moving and changing positions to keep comfortable, and help with the temp. It still gets warm

well of course, your CPU could boil water if you spilled some on it.
but spread your legs as much as you can and it will run cooler.

and with AAPLadys post in mind this sounds so dirty
them naughty brits, not that us danes are any better!
 
When I run SC2 I get the same burning sensation in my lap.







That's what she said. :D
 
Well, i dont get lap burning sensations from starcraft II...
But there are some things that get it warm. lol
 
hey i am actually playing SC 2 right now on my 2.66 ghz i7 with the 512 MB of gpu

what temperatures are you running?

dl istat pro and find actual number that will help us determine whats going on a little better

i average 171 f with everything on high and my frame rate hover 35-41 fps

<3 Starcraft 2!!
 
Our portable lap placing generation is going to have some extremely low sperm counts me thinks.

But yes, you can have better airflow by placing the sides of the MBP on your thighs with your legs open.



...and yes, that's what she said.



Also, it is not overheating unless it is A.) Turning off or B.) Underclocking itself (though I am not sure if OSX does that)
 
yeah mine too sounds like a jet engine. im afraid this machine might break one day, i spent a portion of my tuition fee for this bad boy :S
 
since no one has helped you..

it should be in your starcraft II folder in Documents folder under your home name, if I remember correctly.. I uninstalled it from my OSX since I use bootcamp.

~/Documents/Blizzard/Starcraft II/variables.txt

add those lines into your variables.txt, don't worry about looking for them, they're not in there.. hence the issue.

just copy paste it in there and save it!

frameratecap=30
frameratecapGlue=30
 
The last patch moved the files you're looking for to:
/users/username/Library/Application Support/Blizzard/StarCraft II
 
since no one has helped you..

it should be in your starcraft II folder in Documents folder under your home name, if I remember correctly.. I uninstalled it from my OSX since I use bootcamp.

~/Documents/Blizzard/Starcraft II/variables.txt

add those lines into your variables.txt, don't worry about looking for them, they're not in there.. hence the issue.

just copy paste it in there and save it!

frameratecap=30
frameratecapGlue=30

This was correct pre patch 1.1 now the file is in

Users/YourMacbooksName/Library/Application Support/Blizzard/Starcraft II

look for variables.txt

frameratecap=X is for in game play
framerateGlue=X is for the battle.net menus

Where X is the desired fps cap,
mine are set 40 in game and 12 on menus. It made a big difference on machine responsiveness while Sc2 is in the background.
 
Same

I am having the same problem. MBP i7 Mid-2010 overheating until total system crash with black screen and looping sound after about an hour in StarCraft II on medium settings.
 
Also, limiting the frame-rate is not a good enough option for me. I want a machine that can handle it's hardware.
 
This was correct pre patch 1.1 now the file is in

Users/YourMacbooksName/Library/Application Support/Blizzard/Starcraft II

look for variables.txt

frameratecap=X is for in game play
framerateGlue=X is for the battle.net menus

Where X is the desired fps cap,
mine are set 40 in game and 12 on menus. It made a big difference on machine responsiveness while Sc2 is in the background.

Thank you that's what I was looking for :D

Weird that spotlight can't find this file..
 
I think checking vertical sync does the same thing too (caps it according to refresh rate of your monitor, but I could be wrong)
 
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