How hot does a 1.4 ghz tbird run with stock cooling?

[moocat]

I see thread after thread discussing reasonible temps for tbirds with this cooler/fan combo or that mod...can someone give me the temps of a 1.4ghz tbird with stock cooling, default voltage, in a 266a motherboard?

Please include case temp. I don't care if temps are idle or under load.

I would just like a point of reference.

Thanks.

 

[MrPG]

from boot to 30minutes into full load

case: 30-37
cpu: 42-60

 

[moocat]

Thanks.

Now I'm really wondering what's up with my setup. My case temp stays a steady 28C while my cpu temp goes from 54C to 59C. I know there can be substantial differences in temp readings from mobo to mobo but even given that I think my temps are too high.

I'm using a KR7A/tbird 1.4@1.53ghz 1.75v/SK-6 with 4000rpm sunon 60mm fan. I would expect an idle temp below 50C or at least very close to that.

 

[sprite97]

case: 28 - 32
cpu: 45 - 54

1.4tbird on a ecs k7s5a

 

[MrPG]

sounds about right... could just be you case as pretty good circulation or either your software is mis-matching yur sensors - ex its label'd your mainboard sensor as your case, or something... mainboard temp, i dunno its purpose, pretty much goes up or down a fraction of a degree under normal circumstances unless yur motherboard is on fire or something doesn't hardly change..

 

[rogue1979]

26c case, 48c full load, AXIA 1000@1458 at 2.01v. The SK-6 seem to drop alot in performance when you pull the Delta off. Just ordered a Millenium Glaciator 1 for $24 shipped from their web site, seem to cool within 1-2c of the SK-6, most importantly for me without needing a Delta.

 

[tapir]

Like others have said, the SK-6 performs a LOT better with a high-pressure fan and loses most of its power as your fan loses power due to its design. Get an intermediated (5000 rpm) fan or another kind of heatsink.
That's what I've heard, at least, I'm not sure if it's true. Case ventilation is oh-so-important in these comparisons.

 

[moocat]

My case is an SX830 and usually relflects ambient room temperature...so not much room for improvement there. I do have a 33cfm papst 60mm fan that I can slap on. That should help. I thought about the swiftech or 8045 but didn't want to deal with removing my motherboard for cpu upgrades.



Thanks for the input all.

 

[Mikewarrior2]

don't be too shocked if your temps are drastically different than others, because socket-a mb's read temps differently (sometimes drastically differentely).



Mike

 

[moocat]

Yeah...I know how inconsistent 266a boards can be. The trend I see though is that I'm significantly higher than the average (I'm not basing that just on responses in this thread). It sure can't hurt to throw a more powerful fan on...I'm sure that alone will be good for 3-5C. The system is stable so I'm not too worried about it.

I wonder how much heat is dissipated behind the socket on the rear of the mobo? Where I work they use a very dense thermally conductive foam rubber-like material. It's used to thermally couple DC-DC power bricks to aluminum covers. I wonder if it would be worth it to install a square of it between the back of the cpu (and the northbridge for that matter) and the inside of the case. I know when I heatsinked the back side of my Voodoo3 card it made quite a significant difference in overclockability.

 

[Wind]

As a general guideline for a non-O/Ced CPU w stock fan, the CPU temp is about 15C more than the case temp.

A better after mrkt cooler will hv a CPU temp of 8-10C higher than the case temp.

W/ a Sk-6, ur temp should be around 40C ++. I suggest u take a look at the HSF mounting...perhaps a better thermal compound (ASII recommended).

Different mobo reads temp differently...but I still think tht such a big variances between case temp & CPU temp warrant some attention.

 

[moocat]

The SK6 is flat to the core and I'm using AS II. The first time I mounted the SK6 I had it cocked up on the socket and the temps were in the high 60s C. at idle...obviously didn't bother to test under load as I realized something was screwed up. I am very certain it's on right now. I'll double check it when I put the 33cfm fan on it though.

 

[Mikewarrior2]

Wind,

see this internal diode tested grease review Thermal Paste Shootout. As you can see, even with an SK6, core temps range in the 45-55C range. So, to expect 40C on an sk6/socket-thrmsitor may be reasonable for some motherboards, but at the same time may not be possible on others (the KR7s included, since they read temps warmer "than" average).



Mike

 

[Wind]

<< Wind,

see this internal diode tested grease review Thermal Paste Shootout. As you can see, even with an SK6, core temps range in the 45-55C range. So, to expect 40C on an sk6/socket-thrmsitor may be reasonable for some motherboards, but at the same time may not be possible on others (the KR7s included, since they read temps warmer "than" average).

Mike >>


Mike,
Point noted. Perhaps I'm a bit too optimistic bout my "experience". On many occasion the general guidelines tht I mentioned earlier seems to hold true on most mobo I've encounter.

Because of the hot country I'm staying, even a good cooled casing is around 35-40C. Thus, on many mobo I've encounter, the CPU temp is about 10C hotter than the case temp. Perhaps wht I was missing is tht the CPU might actually operates at the min temp around 25-35C...making CPU temp of less than 40C not possible. I agreed...w/ the variance in socket thermistor temp measurement...the temp could be higher.

Mike...any thought on this ?

 

[Mikewarrior2]

Wind,

I'm not sure what you're saying? Are you saying he should have over 40C temps with the Sk6 or under 40C?

I was saying that even under optimistic conditions, with low case temp and a low reading mb, 30-40C is probably about right.... But under the KR7A adn how it reads temps, sub 45C is often hard to come by....

of course, we may be trying to say the same thing, so


Mike

 

[IQJUMPuw]

My CPU temp runs @ 41C idle and 45C under load.

AMD Athlon 1.4GHz
Epox 8KHA+ Motherboard
Crucial 256MB PC2100 DDR RAM
Gainward GeForce3
Western Digital 40GB/7200RPM
Seagate Barricuda 40GB/7200RPM

I have a very quite system. 3 case fans run really quite and they keep my case TEMP pretty low. 25C-28C.
For the CPU, I use Alpha PAL8045 and Arctic Silver II. Arctic Silver III will lower the temp by another 2C.

 

[TimisoaraKill]

8K7A , 1.4 Thunderbird @ 133FSB (266) with SK6 / Ystech 26 CFM fan rated 4500 RpM (Run @ 5000 RPM) + ASilver II .
Case Antec SX1040B with only the 2 Exhaust fans 0n with 20/Celsius ambient :

38/celsius Idle
43 - 44/celsius Full load in Prime95

 

[Nightstalker]

I have a TBird 1.4 running at 102F at idle and 109F after playing Serious Sam: The Second Encounter @ 1024 x 768 32bit. May not be scientific but it is real world use. The case temp is 73F. Nothing fancy, just a Fong Kai 603 (reviewed here a long time ago) unmoded except for the removal of the internal plastic cpu duct and I added a front intake fan. The heatsink/fan I use is an OCZ Gladiator copper heatsink with whatever fan came with it, and Artic Silver grease. Still only $29.99 from what I see on the web.

 

[Killrose]

T-birds run hot. They are made to. don't worry about it if you can stay below 60C you are OK. No way will you ever see 40C unless you are water cooled. The SK-6 is a decent cooler, and probably would run below 50C at idle non-overclocked.

Under load mine runs around 58C, and that is with 1.8volts. and a little better than generic AOC cooler.

 

[moocat]

That's about what my load temps are. The weird thing is my idle temps are only 2-3C below load temps.

 

[moocat]

Problem has been resolved with a fan "stack". I've stacked a sunon on the 33cfm papst, epoxyed them together and now I'm at 49C idle with a 27C case temp. The noise may drive me nuts but ya got to have your priorities straight Haven't checked load temps yet but expect a sub 55C.

Don't know if anyone else has tried this but I stretched a piece of nylon pantyhose over the top of the fans and secured it with a rubber band. It doesn't impair airflow too bad and I expect it to catch most of the dust. Probably have to change the "filter" every couple weeks but it beats having to pull the fan off to clean the sink. I haven't done a temp comparison yet with and without the "filter".

 

[Killrose]

Maybe you should have bought one of those mini refrigerators and used it for a computer case.

Maybe I should buy one and use it for a computer case.

 

[moocat]

Yea...I considered the fridge..didn't seem practical...not like like glueing two fans together in a ridiculously loud configuration that likely doesn't perform much better than a single Delta fan

Before I was running 140x10.5 @ 1.75 v with idle/load temps of 56/59C now I'm able to run 140x11.5 @ 1.85 v with temps of 49/58C. I was able to get into windows at 150x11 but Prime95 gave me errors. I think with some a bit more cpu/ram juice I might be OK at 150x11.5. The bottom line is the new fans gave me some options I didn't have before. I do wish I would have had time to run the 33cfm fan alone so I knew how much improvement the 'stack' was over the single fan. I know just from the old "blow the fan in your face" test the stack felt more powerful. That's not very scientific, I know

 

[moocat]

The "McGuyver pantyhose filter" works great. It only raised my idle temp up 0.5C. I can live with that if it keeps my heatsink from clogging with dust every 3 weeks. I recommend this to anyone using a thin fin sink. I suggest asking for a pantyhose donation though, don't just help yourself the first pair you see especially if the donor is still wearing them

 

[Megatomic]

I am running a 1.33GHz Tbird at 1.4GHz (multiplier OC) at default voltage on an Abit KT7A Raid Rev. 1.2, cooling it with a Taisol CGK742092B with ASII. The rig is enclosed in an Inwin S500A case with NO case cooling. Next week I go to an Antec SX830 with intake and exhaust fans per spec.

My idle temp is 45C and after 1 hour of Prime95 it bounces between 50 and 51C.