Desktops :: Maximum Operating Temperature Inside The New 27-inch IMac?
Feb 3, 2010
Does anyone know the maximum operating temperature inside the new 27-inch iMac? I've read that they shouldn't be operated beyond 35 degrees Celsius [95 degrees F]. But that's the ambient temperature, not the computer's internal temperature.
I ask this because I have been running iStat for years. It monitors various things, including internal temperature. I always keep an eye on this during warm days, even when I have the air-conditioning on. So it would be good to know the maximum temperature.
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Oct 26, 2010
I've been using intel iMac core2 duo. There are some temperature sensors to HDD, CD/DVD and CPU, etc., I think. Apple computer is well designed for thermal control and is this big advantage for technical point of view ?
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Nov 18, 2009
I just wanted to share what's been going on with my i7 which I received last Friday. Immediately I was curious about what sort of temps I was going to be running so I installed Temperature Monitor. At idle my graphics readings hover around 40C. However, when playing Warcraft 3 my Graphics Processor Temperature Diode reaches up to 84C.
I don't really know what temps are acceptable, I was just wondering what other i7 HD4850s out there are running. To deal with this seemingly high temperature I installed smcFanControl and boosted all fan speeds by 50%. Noise doesn't seem to be proportional to fan speed at these levels so no probs there. Now I run at 64C at load and I am at peace with that.
Shouldn't the OS be increasing fan speed on its own?
Would like to know what you guys think and observe in your i7 machines
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Feb 3, 2010
Does anyone know the maximum recommended operating time for the new iMac. I have run my other Macs on occasion for 48 hours straight. I have often wondered if I am shortening its lifespan with these marathon days.
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Apr 28, 2012
what are the maximum operating temperatures for the various computer components such as the processor diode, processor heatsink, the hard drive? I have my iMac in a medium sized enclosed area which does not allow for air flow.
Info:
iMac (21.5-inch Mid 2011), Mac OS X (10.7.2)
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Dec 1, 2009
Is there a way for me to read the operating temperature of my HDD?
I recently replaced the standard HDD in my 20" Intel iMac with a new HDD that's 1T and runs at 7200 RPM...
Now I've read about high temperature causing HDD failures.
Also, I've seen software you can download where you can control the fan speed to help cool the HDD...Anyone heard of this? If so, should I download such?
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May 30, 2012
The specifications, for MacBook Pro, mention that the operating temperature is 10 to 35 Deg C. Does it mean that MacBook Pro will not function above 35 Deg C? Is it recommended to operate MacBook Pro always in an air-conditioned environment? As I plan to buy for the 1st time, I seek an answer.
Info:
MacBook Pro
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Oct 18, 2009
When I'm putting a heavy load on it (Compressor, Handbrake, etc), the fans crank up to 5000-6000rpms, and the temperature hovers around 97-98C (207-210F). I've never seen it go above 210...so...it's just shy of being able to boil water for me for a nice cup of tea.
Even when it's idle - just doing email/web/etc, it run's at 120-150F (49-66C), which is the temperature most people on the threads I've found say is the max for their portable.
Do you think this thing is built to handle those temperatures day in and day out? Is there any 3rd party hardware to make it run significantly cooler (I have smc fan control - but lately, since the last software update from Apple, it won't change the temperature anymore, so I can't keep the fans pegged at 6000 which does bring the temperature down under 200F.
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Apr 21, 2010
my biggest problem on my old laptop was overheating, so I like to keep a close eye on my temperature. I'm using istats menu thingie, showing me my temperature (in degrees F). I've been keeping an eye on it ever since I got my new i7 MBP.
It tends to run around 100 or 110 degrees... 120 if I'm running firefox.
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Dec 29, 2010
I googled and couldn't find the Tjunction for the GPU.
Mine went as high as 90c / 194f. When I play games it usually stays around 86c / 186.8f with the fans in overdrive.
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Jun 24, 2012
what is the normal operating temperature for a power mac g5 quad model
Info:
PowerMac, Mac OS X (10.5.8)
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Dec 7, 2009
Just bought a new MacBook (OSX 10.6.1 w/4GB RAM) and ViewSonic 22" monitor. When I hooked it up (via DVI) and loaded the VewSonic drivers, I got the max resolution of 1920 x 1080. Earlier today, I came back and woke up my MacBook - and got only a snowy screen on the monitor and couldn't get anything on the laptop. Restarted and now, even though the display shows 1920 x 1080, it is not providing that resolution. The max for the laptop shows 1280 x 800 and that is about what is showing on the monitor as well. I keep resetting the resolution on the monitor at 1920 x 1080 - but the screen size doesn't change.
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Sep 14, 2009
I just purchased my first Mac computer and I was shocked to see the results of a stress test. I get a maximum temperature of 103C on the core diodes for my P7570 (apparently the OEM version of the P8400) before the fan starts to rev up (about 1-2 minutes). This effect is the same in both Windows 7 RC1 (64-bit) and Snow Leopard. Once the fans have started to reach ~4000 RPM the temperatures stabilize at ~90C. As the maximum diode temperature for the CPU is 105C I don't think this is a desired behavior. Ironically, even with such a high diode temperature, the notebook is not hot to touch and all other temperatures are fine (CPU temperature reaches a maximum of 84C). If I force the fan speed with smcFanControl this doesn't happen.
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Oct 20, 2009
The new 27-inch iMac uses up to 365W vs 280W for the old 24-inch! (going by Apple's published max. power consumption numbers. I doubt they would lie because it isn't exactly favourable for them to put in falsely high numbers in an environmental report).
That means there's some extra beef behind the extra components. Perhaps the ATI 4670 is a bit overclocked and the 4850 runs a bit faster than the old iMacs? Admittedly that 2.8 GHz i7 is going to suck a fair bit of power - the recent 2.8 GHz i7 860 model runs at a 95W TDP, however, the quad core iMac isn't available until November. So it won't be using the i7 860, and my guess it is using another custom processor, something a bit more power efficient, somewhere in between the 55W TDP of the old iMacs and the 95W TDP of the i7 860.
The difference between the power consumption of the two computers is 85W. The old iMac had a 24-watt digital amplifier, this new one has two 17-watt amplifiers. That brings the delta down to 75W. Say the iMac's i7 processor has an 80W TDP. That now brings the delta down to 50W. The new display likely wouldn't increase power consumption because of the LED backlight.
I'm not sure if I'm missing much (OK, two extra RAM chips may use another few watts), but there is still a fairly massive 50W unaccounted for.
Just a bit of fat to chew on
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Sep 12, 2009
Does anyone know if the panel used in Apples 24 inch Cinema display is the same as the 24 inch iMac?
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Jul 29, 2010
Hello everyone, I'm currently looking to buy a 27 inch imac and can't decide whether to get a base i3 27 inch or a refurbished i5 quad core 27 inch. With the i3 I can get the student discount and qualify for the ipod, but the i5 is 23% off right now. Which should I get? Also is there a benefit of getting a 5 series graphics card over a 4 series graphics card?
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Nov 18, 2010
I got a MacBook Pro back in April, my first Mac.
I love it so much. I'm really into video editing and HD video, but the problem is that my MBP is running out of harddrive space, and I'm longing for a bigger display and a better processor. (I have the 13" C2D). I'm going to pick up an iMac this Spring. But I wanted to know if I should stick to the Core i3 21.5, or spend more and go for the 27 inch.
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Jul 27, 2010
Is the new 27 inch cinema display any different the the displays on the 27 inch iMac??
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Feb 9, 2009
I've had a 24" iMac (alu) for about a year. Now I bought a Mac Pro (Love it!). Therefore i wanted to sell the iMac, but:
All the time I've had it, dust has been building up inside the screen. I thought it was inside the glass cover, but I carefully removed that and cleaned it and the surface of the LCD element. That didn't do it...
From what I can see, the dust is inside the LCD element. Building up on the white lit surface behind the LCD crystals. (See the attached image).
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Jan 4, 2011
I noticed that iStat and Temperature Monitor report different temperatures for the same readings on my G5 Powermac Dual Processor System. For example as I am writing this Temperature Monitor is saying My CPU A is 46.8C and CPU B is 46.7C. In iStat it says CPU A is 55C and CPU B is 54C. Which is right!?
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Feb 19, 2009
I apologists straight away if this have been covered recently, but i need to ask.I have MacBook with Intel Core Due Processor, 2 GB ram.What is the average temperature CPU temperature for standard usage ( I know that standard usage is very arbitrary, and by this I assume safari, iTunes and let say Pages to be the only major apps running ).I use iStat pro widget and according to it my CPU temperature is 55*C. Is this too high? Lately the fan has been turning on more recently almost without any apps running so I think that there might be some hardware problem. I ran HardwareTest it found nothing.
The macbook is 2 yrs old. Do i need to get it cleaned or is there something else I should be worrying about?
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Jul 29, 2010
I am trying to decide which of these two 27 inch imacs I should buy:
27 inch 3.06 core 2 duo model
27 inch 3.2 I3 model
Is the 27 inch 3.2 ghz I3 model a better value in terms of increased computer and graphics performance and is it better to get the 2nd generation model because of prior issues (i.e. yellow tinge)?
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Mar 14, 2010
I'm getting a new iMac 27" (1TB) this week and was wondering, which 2TB hard drives Apple installs.
I have read that they use WD and Seagate, but which models exactly? (caviar green or black) If you could post the infos of your iMac that would be .
Also, I want to upgrade to a 2TB drive. I know, I have to stick with the brand that comes with my iMac, because of power issues. However, I have also read that Apple uses a special OEM drive and an upgrade won't work (heat problems remain, a special firmware is necessary) Is that true?
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Jul 30, 2010
I see a great deal of debate between the quad i5 and i7 but nothing between the two i5's. I'm not super techy so I really can't tell what the benefits or disadvantages there are between the two. In fact, I didn't even notice that there are two different ones until I was poking around on apples site.
Specs:
3.6 i5 with 4mb lvl 3 cache and HT and TB
-or-
2.8 quad core i5 with 8mb of lvl 3 cache with TB but NO HT
*you can build identical iMacs both with the 5750 (5850m) and the 3.6 is only 50 bucs more.
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Apr 18, 2007
I'm about to purchase one and I keep getting mixed answers. I know there are two slots in this model, but i've been told it holds a maximum of 2GB, 1GB in each, and also that it only holds 1GB, 512MB in each.
Someone that has this model may know the real answer. Keep in mind, this is the 17", not the 20", so it may be different.
Also, are both slots accessible?
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Dec 7, 2014
What is the max capacity of the SD card slot?
Info:
iMac, OS X Yosemite (10.10.1)
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Aug 26, 2010
Seems that the more I read about refurb imacs the more I notice dust on the inside of the screen
I have two specs of dust trapped on mine, they haven't annoyed me yet but I'm considering getting suction cups and cleaning it. Would this be the best approach or sending it in?
I haven't done it and I'm slightly scared to do it
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Jul 12, 2009
A while back I saw a link on macrumors that listed which specific core2duo chip was placed in various macs (example-core2duo E8400, etc.)
I was wondering if anyone knew where I can find this information again? I specifically was looking for my model (2008 24" imac) but would a site where I could find others as well.
And if you are going to post "search google" or the like dont bother as I ALREADY have searched google and cannot find this information easily.
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Oct 26, 2010
I recently received a new Hard Drive to put into my iMac. The old hard drive failed and I am wondering ways you install an operating system. And also, can I just buy an upgrade disc not an entire operating system disc?
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Sep 7, 2010
Since I do Hd Video editing and the iMac does not have an external eSata port I am willing to replace my dvd super drive with a hard drive if possible?
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