Water Cooling Temp

[Ned_Flanders]

My new water cooling system:

DangerDen RBX water block
Thermochill 120.1 Rad
Criticool 4" Rez
Hydor L30 1/2"

Setup up to cool a AMD 2500 @ 3200 (1.7 Vcore)

So far, the temps have been 37-39 load (running <A HREF="http://setiathome.ssl.berkeley.edu/" target="_new">SETI</A>)

I have been able to run at 3200+ speeds on only 1.7 vcore, as opposed to 1.775 with my old water cooler


Sound ok?

EDIT <i> My case temp is equal to the CPU temp. On occasions the CPU temp is a degree cooler than the case :lol: </i>

_______________________
Whos round is it? Down that beer quick, smash my glass down, fall over the table - all rowdy and pissed<P ID="edit"><FONT SIZE=-1><EM>Edited by Ned_Flanders on 10/13/04 09:43 AM.</EM></FONT></P>

 

[ChipDeath]

I have been able to run at 3200+ speeds on only 1.7 vcore, as opposed to 1.775 with my old water cooler

That makes no sense. How much Vcore is required is not affected by the efficiency of the cooling solution.

The Vcore required might change slightly over time, but a new cooling kit won't magically make it capable of running at lower voltage, rather it should make running at a <i>higher</i> voltage more feasible, as it can cope better with more heat....

---
Epox 8RDA+ V1.1 w/ Custom NB HS
XP1700+ @200x10 (~2Ghz), 1.4 Vcore
2x256Mb Corsair PC3200LL/1x512Mb Corsair XMS PC4000 2.5-3-3-7
Sapphire 9800Pro (VGA Silencer Rev3) @418/742<P ID="edit"><FONT SIZE=-1><EM>Edited by ChipDeath on 10/13/04 11:23 AM.</EM></FONT></P>

 

[endyen]

Try to edit out the / and see if it becomes a quote.

 

[ChipDeath]

beat ya!

---
Epox 8RDA+ V1.1 w/ Custom NB HS
XP1700+ @200x10 (~2Ghz), 1.4 Vcore
2x256Mb Corsair PC3200LL/1x512Mb Corsair XMS PC4000 2.5-3-3-7
Sapphire 9800Pro (VGA Silencer Rev3) @418/742

 

[Ned_Flanders]

just stating facts :lol: .

Anyway, are the temps ok? I wanted a little lower, but these are reasonable

_______________________
Whos round is it? Down that beer quick, smash my glass down, fall over the table - all rowdy and pissed

 

[ChipDeath]

They're not bad for load temps I'd say. This morning my CPU temp was 38C after running Folding@home all night. (System Temp 25C). So a Prime95 load would probably be 40 - 42C, and that's on Air.... :tongue:

but then you're running at .3V higher Vcore than me, which is a fairly substantial increase. at ~1.575 V @ 2.25Ghz I hit high 50s load IIRC. Now the weather's getting cooler, I'll clock it back up near there soon , so I'll know for sure then...

---
Epox 8RDA+ V1.1 w/ Custom NB HS
XP1700+ @200x10 (~2Ghz), 1.4 Vcore
2x256Mb Corsair PC3200LL/1x512Mb Corsair XMS PC4000 2.5-3-3-7
Sapphire 9800Pro (VGA Silencer Rev3) @418/742

 

[Ned_Flanders]

niché temps.

My bedroom is always really warm, just left it on while I've been to Uni, come back and it was at 36 (idle).



_______________________
Whos round is it? Down that beer quick, smash my glass down, fall over the table - all rowdy and pissed

 

[endyen]

beat ya!

Nah, your edit time is almost 5 hours after my post time.

Honestly Ned, if I put your cooling on my xp-m, I'd be running it at 2.6+ gigs. Maybe you got a bad chip, or maybe you cranked your voltages a little early. See if you can drop the v a little more.

 

[Ned_Flanders]

generic RAM is holding me back atm. Won't even get to 205 (rated for 200)

_______________________
Whos round is it? Down that beer quick, smash my glass down, fall over the table - all rowdy and pissed

 

[endyen]

That sucks, my samsung ram is @ 220, with 2.5, 3, 3,7 latencies.

 

[Ned_Flanders]

I have a stick of Samsung DDR333 which will o/c all the way to DDR415 Cas 3 - But its only 256Mb, and I can't run my system with only that :lol:

_______________________
Whos round is it? Down that beer quick, smash my glass down, fall over the table - all rowdy and pissed

 

[Crashman]

That makes no sense. How much Vcore is required is not affected by the efficiency of the cooling solution.

WRONG!

This affected me most when running an overclocked PIII, the COOLER the CPU is the LESS vCore it requires to remain stable! I did extensive testing, the fact is that when your CPU is near the edge, you can raise vCore OR add cooling.

I think it has to do with heat: Increased heat makes a CPU act more like a conductor than a semiconductor, the excess leakage weakens the signal, in a viscous cycle, and the only way to curb that cycle is to reduce HEAT.

Now you're going to force me WAY back in my memory, I think my PIII 700 required 1.90v to run 150MHz bus at 55C, but only 1.80v to run 150MHz bus at 48C.

Remember that CPU's become less stable when hot, and more stable with an increase in vCore. Those are things you can agree with, right?

This lends itself to the following circle when you've reached the limit of the cooling: More heat=less stability=add more vCore=more stability (until the cooler heats up)=more heat=less stability (cooler has heated up) etc etc etc until you blow the CPU. In order to get out of that cycle, you jump down to LESS HEAT and viola, you're stable without raising vCore.

<font color=blue>Only a place as big as the internet could be home to a hero as big as Crashman!</font color=blue>
<font color=red>Only a place as big as the internet could be home to an ego as large as Crashman's!</font color=red>

 

[Ned_Flanders]

that's what I thought!

I was a little confused when I got told my Vcore decrease made no sense :lol:

_______________________
Whos round is it? Down that beer quick, smash my glass down, fall over the table - all rowdy and pissed