The MsNath Principle Applied

[Hoot]

You all have read my posts and replies championing the cause to get those temps down in order to OC at lower voltages. Tonight I broke through the 1Ghz barrier for the first time on my 600 Duron. It was very easy. A few feet from my computer room desk is the door to my unheated workshop. I moved my system out into the workshop and even opened the outside double doors to it for good measure. It is currently -3C in there and the system temp is running right at 0C. My core temp is 10C right now. Normally, in my computer room, which is held at 20C, my core runs 30C in normal use with the Duron running 10x100 and at 1.8V. Dropping the core down to 10C, I was able to drop the core voltage to 1.7 and run 10x100 solid. In order to get the Duron up to 10.5x100, I had to raise the core voltage to the limit of my unmodded KT7. At 1.9V it runs rock solid at 1050, P95 torture. It won't run P95 at 11x100 though. In my computer room, with the core temp at 35C it would never run P95 torture over 10x100. and if I allow the core to get up above 45C, I can't run 10x100 at all.
So, the obvious "sweet zone" for my particular CPU runs out above 10x100 at normal room temps. I do have a Peltier on the way and will report results with it when I get set up.
Going from 35C to 10C is a serious drop in temperature yet it only gained me 50 Mhz, and then only at the limits of my core voltage on the KT7.
It gets back to the "luck of the draw" on the CPU, being the limiting factor.
Always strive for the lowest obtainable temps, but for every CPU, there is a different point of diminishing returns.
I am very happy getting 1000 Mhz from my $45.00 Duron 600 at normal temps.

Hoot.

 

[Colin]

Hoot (Mar 05, 2001 11:12 p.m.):
I am very happy getting 1000 Mhz from my $45.00 Duron 600 at normal temps.

Hoot.

It doesn’t get much better than this. Super cooling for AMD, nah it doesn’t work. DOH! Keep us posted on the pelt!

 

[dimmreaper]

Colin (Mar 06, 2001 01:00 a.m.):

Hoot (Mar 05, 2001 11:12 p.m.):
I am very happy getting 1000 Mhz from my $45.00 Duron 600 at normal temps.

Hoot.

It doesn’t get much better than this. Super cooling for AMD, nah it doesn’t work. DOH! Keep us posted on the pelt!

I hear many people saying "super cooling AMD CPUs doesn't help", this is false IMO. I've never seen anyone who has said that that acctually cools and AMD CPU to -30C. -5C is hardly supercooling, and -10C isn't supercooling either. Transistor switching speed is directly effected by temperature. It's like a law of physics. I feel that we just need to get theses CPUs colder. This is why I have been exploring the possabilities of 24V peltiers lately. These high voltage peltiers will move much more heat, and still remain only 40x40mm in size (image using two of them in parallel Colin). But they really hog the juice (read current).