idles 31-32 loads 46-49...18 degree difference??

[chinkgai]

so yeah title says it, i idle at 31-32 and under prime 95 load it jumps every second from 46-49

this is using mbm

the settings for these temps are in my sig, but here they are anyways

3400+ NC @ 2739mhz (249x11@1.586v)
cpu/ram - 1:1 ratio
OCZ VX (249mhz @ 2-2-8-2)
DFI Lanparty nF3 250GB
Visiontek X800 XT (Platinum Edition+ 525/561)
Maxtor DiamondMax Plus 9 250GB SATA
Antec TrueBlue 480W
Thermalright XP120
Panaflow M1A

all this is in an antec superlanboy with the side panel off, the front 120mm fan stock, and the rear 120mm fan replaced with the same panaflo thats on the cpu, both at max

panaflo specs are 86cfm @ 35.5dba

at first i thought it was cuz of a few scratches on my xp120 and the outer fin of each edge a little bit bent. so i removed everything and bent the two outer fins a bit back to shape, well as close as i could anyways....

afterwards i lapped the xp120 to a mirrored finish (220grit, 320, 400, 1000, 1500)

heres the funny part, i forgot to put thermal paste on after i lapped it! lol...so it was about 2 degrees worst than with thermal paste on load, which means i did a pretty good job

needless to say, i took everything apart and re mounted the hsf with as5 this time, a small dab about the size of a BB in the middle as AS5 suggests

temps are the same as before

i thought maybe the tension off the hsf needs to be increased...so i sanded down the base of the bracket of the xp120 down about .25mm with unchanged results

why am i getting such a high change from idle to load??? why can i only hit 1.586 when i see lots of people claim that they use like...1.65 on stock cooling???

[CHEMICAL]

your temps look fine for your oc

and isnt mbm5 uncompatible with the dfi nf3???

anyway try speedfan

http://downloads.guru3d.com/download.php?det=893

[DazzXP]

Yeah the temps on the A64 shoot right up when underload then plumit down while under no load.

[chinkgai]

damnit, so how do people hit 1.65v on stock cooling? is it cuz the clock speed is much lower so they have less heat? thats my only explanation for it...

chemical: mbm will work, but you have to manually tell it which sensors to check for each output

here are instructions:

http://www.over-clock.com/ivb/index.php?showtopic=7705

[DazzXP]

Some BIOSes don't detect the temp correctly, also i can tell you 1.65v will make the A64 tosty while under load clock speed does not matter but the voltage does when it comes to heat.

[chinkgai]

as far as i know, NO bios detects the temps correctly or i should say NO temp sensors on mobos detect temps correctly

on stock bios, all these temps are 10 degrees higher

what these sensors are good for though, is relative change

so basically if it says it changes 10c, it actually really did change 10c

if it says its 30c, it may not actually be 30c

as for clock speed not mattering, i duno if thats true or not, since your cpu IS working harder at higher clock rate even with voltage the same...

i read this somewhere else too, i forget where..

but i can tell you from personal experience that at 1.508v @ stock settings (2.4ghz), im about 2-3 degrees cooler than at 2.6ghz

[sabrewolf732]

as for clock speed not mattering, i duno if thats true or not, since your cpu IS working harder at higher clock rate even with voltage the same...

Differance between idle and load is that the cpu is pulling more amperage so therefore more watts, therefore more heat.

[krampak]

I went from 12ºC increse in a second (from idle to full) to 6ºC . Guess how? Removing the IHS

[chinkgai]

I went from 12ºC increse in a second (from idle to full) to 6ºC . Guess how? Removing the IHS

last time i did that, i killed my cpu and had to get a replacement...lol

my xp120 wasnt at the right height then when i sanded it down, i sanded it down a bit too much...and caused a scratch in a corner...thus causing death

that scratched my xp120 too, thus leading me to lap it lol

im tempted to do it again, removin the ihs i mean...but i am paranoid.