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From: Chris Ridd on 30 Mar 2010 12:40
On 2010-03-30 16:38:14 +0100, Peter James said:

> Peter Ceresole <peter(a)cara.demon.co.uk> wrote:
>
>> snipped
>> Have you got iStat Pro? It's free, and would give you more specific info
>> on temperatures etc.
> The temperatures as shown by iSat Pro on my iMac 21" are below. The
> first quoted figure is after 1 hours useage browsing the web, mail,
> Usenet etc. The second quoted figure is after 1 hours useage playing
> WoW. The difference seems staggering. Should I be worried.
>
> Ambient 61
> The temperatures as shown by iSat Pro on my iMac 21" are below. The
> first quoted figure is after 1 hours use browsing the web, mail, Usenet
> etc. The second quoted figure is after 1 hours use playing WoW. All
> figures are in degrees fahrenheit. MacSoup seems to be unable to use
> the symbol for degrees. The difference seems staggering. Should I be
> worried?

Fahrenheit? Old timer!

>
> Ambient 61 68
> CPU 86 115

My MBP's CPU is currently cool at 41 degrees C, which is about 106
Fahrenheit. So your CPU temperature range seems fine.

> GPU diode 109 172

That's about 78 degrees C. Pretty warm. I'd expect the fans to be kicking in.

FWIW after playing a spot of Civ IV my CPU temperature was about that.

[...]

> Fans speed
> CPU fan 1198 rpm 1200 rpm
> Hard drive 1099 rpm 1099 rpm
> Optical drive 999rpm rpm 999

Is that normal for iMacs? My MBP's default is 2000 rpm, but I wouldn't
be surprised if laptops had faster fans by default.

--
Chris

From: Peter Ceresole on 30 Mar 2010 13:28
Peter James <pfjames2000(a)googlemail.com> wrote:

> The temperatures as shown by iSat Pro on my iMac 21" are below. The
> first quoted figure is after 1 hours use browsing the web, mail, Usenet
> etc. The second quoted figure is after 1 hours use playing WoW. All
> figures are in degrees fahrenheit.

Ye gods! Fahrenheit? Which version of iSatPro is this? 1939 issue 1?

In funny money, all those temps seem okay. But it's true that I'd expect
your fans to have kicked in a bit.
--
Peter
From: Peter Ceresole on 30 Mar 2010 13:31
Peter Ceresole <peter(a)cara.demon.co.uk> wrote:

> Ye gods! Fahrenheit? Which version of iSatPro is this? 1939 issue 1?

Ah yes... It's in the 'general' tab of the settings. Go for celsius, the
numbers are far less alarming.
--
Peter
From: Rowland McDonnell on 2 Apr 2010 08:03
Peter James <pfjames2000(a)googlemail.com> wrote:

> One of the things I do with the iMac is play WoW, and the display on the
> 21" screen is awesome after my old 17" G5.
>
> However, the top right corner of the casing gets very hot after about an
> hours play, to the point that it's uncomfortable to rest my hand there.
>
> Can someone advise me:
> 1. Is this something to worry about and if so, what should I do
> about it?

Probably no worries.

> 2. I do see references to fan controllers to reduce the
> operating temperature by incrasing the fan speed. Is this the way
> forward?

Reduced temperatures will extend operating life - aside from the life of
the fans, which will be doing more work than expected...

> 3. Is it worthwhile, in the light of the temperature problem to
> buy the advanced warranty from Apple when the 12 month warranty is due
> to expire?

YES.

YES YES YES YES.

Not one of the PowerMacs we've bought has lasted beyond the Applecare
extended warranty period.

It's necessary if you want your Mac to last even that three year period
of Applecare.

Rowland.

--
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