CPU temp please

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Cyberdog

Hi All,
Can anyone please tell me what the correct temp is for an AMD Athlon
XP2800+ 333MHZ FSB processor. I have looked all around the AMD site,
but if it is their it is not obvious.Thanks.
 
Cyberdog said:
Hi All,
Can anyone please tell me what the correct temp is for an AMD Athlon
XP2800+ 333MHZ FSB processor. I have looked all around the AMD site,
but if it is their it is not obvious.Thanks.
Click to expand...

Less than 85°C diode temperature.

I prefer to keep mine below 70°C diode temperature under load in order to
ensure a suitable margin of error.

(and probably more than 0°C as condensation can be a problem... if your CPU
is less than freezing, you'll know :-p)

Ben
 
Ben said:
Less than 85°C diode temperature.

I prefer to keep mine below 70°C diode temperature under load in order to
ensure a suitable margin of error.

(and probably more than 0°C as condensation can be a problem... if your CPU
is less than freezing, you'll know :-p)

Ben
Click to expand...

For the Bartons, such as the XP2800+, 85'C is supposed to be
the absolute max.

It is safe if the temperature occasionally peaks in that area,
but, running it in that neighbourhood for a long time is a sure
way to shorten the cpu lifespan.

Most people are satisfied with a cooling system that will keep it
under 55'C even when it is running at 100% load, but overclockers
ususally try to keep it down into the 35'C area - or even much lower
if they are doing extreme overclocking.

Personally, the stock fan that came with my retail box XP2600+
(266 MHz FSB version) keeps it in the 55'C to 60'C range
(depending on the air temp in my apartment) when running at 100%
and I am quite satisfied with that. Under normal use (web
browsing, word processing, etc) the temperature drops down to
about 42'C.
 
Rob said:
For the Bartons, such as the XP2800+, 85'C is supposed to be
the absolute max.
Click to expand...

Indeed... hence my comment on 70°C and the safe margin...
It is safe if the temperature occasionally peaks in that area,
but, running it in that neighbourhood for a long time is a sure
way to shorten the cpu lifespan.
Click to expand...

That it shortens the life is probably debateable, but I would not be happy
with running it at 85°C all the time.
Most people are satisfied with a cooling system that will keep it
under 55'C even when it is running at 100% load, but overclockers
ususally try to keep it down into the 35'C area - or even much lower
if they are doing extreme overclocking.
Click to expand...

Many overclockers are happy with 70° or so... but to get the absolute max
out of the chip, lower is better, to a point.
Personally, the stock fan that came with my retail box XP2600+
(266 MHz FSB version) keeps it in the 55'C to 60'C range
(depending on the air temp in my apartment) when running at 100%
and I am quite satisfied with that. Under normal use (web
browsing, word processing, etc) the temperature drops down to
about 42'C.
Click to expand...

I really need to sort my cooling out... my CPU is running at 67°C at the
moment. My case is at 28-30°C. Can't seem to figure out why. It's been
100% loaded all day (12hours) running folding@home.

Oh, I'm running a 2500+ stock on a 'N8X Deluxe, Coolermaster Aero7+ at
2500rpm and a Radeon 9800Pro with a Zalman ZM80A+. I'd like to get a bit
more airflow in the case, although there is a 80mm 27CFM side fan blowing at
the path of the CPU cooler. Same fan at the front, blowing across the hard
drives (36 and 33°C) but with restricted ability to source air from outside
the case - might create a proper vent to the fresh air supply, and a 60mm
fan at the rear... the PSU is a twin fan Job - both fans modded to the same
27CFM fans as at the front and side. I'm trying to keep the volume down,
which is likely my biggest problem, all fans are 19dB - it's still "loud"
though, but I do like my quiet.

Hmm, got a bit carried away there. :-P

I was gonna say that your temperature drop seems big compared to mine, I
think my cpu idles at about 50-55°C, I'm not using CPUIdle, I've verified
that my chipset is doing the same job all by itself.

Ben
 
For the Bartons, such as the XP2800+, 85'C is supposed to be
the absolute max.
Click to expand...
Thanks for your comments. I have just built a new machine, and it has
been running over the past couple of days at between 38`C - 43`C. So I
should be O.K.
 
Ben said:
Indeed... hence my comment on 70°C and the safe margin...




That it shortens the life is probably debateable, but I would not be happy
with running it at 85°C all the time.
Click to expand...

I based that on the fact that I tried a couple of XP2400's
with nothing but a Zalman "flower" cooler. They ran in the
high 70's to low 80's. First one lasted about four months
and the second one lasted three months. At least the vendor
who guaranteed me that the Zalman would be adequate replaced
both CPU's for me - but after the second one told me I was
on my own unless I went back to a more conventional cooler.

When I added a 1200 rpm 120 mm fan to give a little air flow
over the Zalman the temp dropped into the mid 60's. Unfortunately
my case at home doesn't quite have room for one of those Zalmans
(PSU is in the way) because the stock heat sink+fan for my retail
box XP2600+ makes quite a racket.

One of these days I'll get around to getting a better case ...
 
Cyberdog said:
Hi All,
Can anyone please tell me what the correct temp is for an AMD Athlon
XP2800+ 333MHZ FSB processor. I have looked all around the AMD site,
but if it is their it is not obvious.Thanks.
Click to expand...

The absolute maximum is very high, and can be looked up in the processor
datasheet. For example, in 26237-1.pdf page 33, a 2800+/FSB333 is
rated for 85C die temperature maximum.

This site recommends 65C as a reasonable upper limit:

http://www.siliconacoustics.com/athlontemp.html

The reliability improves, the lower the temperature that you manage
to achieve with cooling. Compared to the disk drive in your system,
the silicon is very reliable, and unless the processor is crashing
out because of timing failures at high temperature, you shouldn't
have anything to worry about.

It is more important to keep the case well ventilated, to keep the
disk drive cool, than it is to worry too much about the processor.
Disk drive reliability is a function of both temperature and
humidity, and if your computer is in a non-airconditioned environment,
virtually any temperate climate summer room temp/humidity conditions
can be enough to reduce the life of your disk. (This is partly because
all disk drives have a breather hole and a hepa filter, and humid air
goes right through.) I found some curves for recommended air temp
versus humidity in some IBM disk drive data sheets.

If the computer room has AC, it is unlikely the humidity will get
over 40% if no exterior air is admitted to the room.

HTH,
Paul
 
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