AMD 64 CPU temps(how do I get them lower)?

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  • Geeky1Geeky1 University of the Pacific (Stockton, CA, USA)
    edited December 2004
    the thermally controlled 80mm fans... where's the thermistor on them? in the fan frame (most likely in the motor hub) or on a lead?
  • rc1974rc1974 Grand Junction, CO
    edited December 2004
    Geeky1 wrote:
    the thermally controlled 80mm fans... where's the thermistor on them? in the fan frame (most likely in the motor hub) or on a lead?


    I'd have to see, but just like you say, most likely in the motor hub.
  • Geeky1Geeky1 University of the Pacific (Stockton, CA, USA)
    edited December 2004
    ugh. *scratches head* need to test that silent boost with a fan that actually pushes some air...
  • TexTex Dallas/Ft. Worth
    edited December 2004
    rc1974 wrote:
    I'd have to see, but just like you say, most likely in the motor hub.

    Hey rc.... where are you at in Colorado anyway? I'm right on the edge of Colorado Springs in Monument.

    Tex
  • rc1974rc1974 Grand Junction, CO
    edited December 2004
    Geeky1 wrote:
    ugh. *scratches head* need to test that silent boost with a fan that actually pushes some air...


    I agree.. but I am out of fans... need to go buy one. However after looking at the Silentboost HSF, it looks as if the bottom of it may not be all that flat. I spread the HSGoop on as evenly as possible and use a very small amount, a really very small amount. I've attached a picture of the bottom of the Silentboost HSF.
  • rc1974rc1974 Grand Junction, CO
    edited December 2004
    Tex wrote:
    Hey rc.... where are you at in Colorado anyway? I'm right on the edge of Colorado Springs in Monument.

    Tex


    GJ
  • Geeky1Geeky1 University of the Pacific (Stockton, CA, USA)
    edited December 2004
    well that pic shows part of the problem (probably all of it) right there. You can see that the CPU isn't actually touching most of the hsf's base. This is a problem. There's a solution for it though... You could try lapping the heatsink...
  • TexTex Dallas/Ft. Worth
    edited December 2004
    rc1974 wrote:
    GJ

    Know the area well. I had a custom software/computer service buisness based out of Glenwood Springs area for several years. I lived up the Frying pan river from basalt, outside Carbondale and Glenwood and my wifes family is 3 generations from the Rifle/New castle area outside Glenwood towards Junction.

    Tex
  • rc1974rc1974 Grand Junction, CO
    edited December 2004
    Tex wrote:
    Know the area well. I had a custom software/computer service buisness based out of Glenwood Springs area for several years. I lived up the Frying pan river from basalt, outside Carbondale and Glenwood and my wifes family is 3 generations from the Rifle/New castle area outside Glenwood towards Junction.

    Tex

    about the only reason I stay is family and Mesa State is a cheap college. I moved back to GJ in 2000 after getting out of the Army.

    BTW- What's the job market like in C-springs? Here all they care about are rich expatriate retirees, retirees, or just rich people in general. Housing costs have rapidly outpaced wage growth in the last decade here. The jobs that are here are crappy, low-wage jobs and even most other jobs pay way lower than the Front Range. I think the govt here is so spooked from the Exxon fiasco 20+ years ago that they are afraid of getting any decent jobs to GJ. Heck, my brother-in-law has worked for the same company for the last five years, could transfer to Greeley, doing the same job, and get paid more money. Heck, he could even move to one of their locations in Oklahoma or Virginia and get paid more.


    sorry for going off topic.
  • TheLostSwedeTheLostSwede Trondheim, Norway Icrontian
    edited December 2004
    rc1974 wrote:
    I agree.. but I am out of fans... need to go buy one. However after looking at the Silentboost HSF, it looks as if the bottom of it may not be all that flat. I spread the HSGoop on as evenly as possible and use a very small amount, a really very small amount. I've attached a picture of the bottom of the Silentboost HSF.

    There you have it. NO PART of the actual cpu core does have proper contact with the heatsink and therefore the cpu have useless cooling. I would rma that thing to Thermaltake if i where you.
  • rc1974rc1974 Grand Junction, CO
    edited December 2004
    most fans are cheap... RMA is too much hastle, I'd just as soon keep the stock fan on or order another fan.
  • JimboraeJimborae Newbury, Berks, UK New
    edited December 2004
    Just as an interesting aside to this thread, I decided that I'd check the core contact on my Amd 64 3200 as my temps under load are less than stellar. i.e. 34 idle & 54c under load and this is watercooled!. At first I put this down to dodgy temp reading as my msi board is well known for this.

    Well sure enough my contact wasn't great either but I know that my Swiftech water block is perfectly flat having lapped that myself. That meant it had to be the intergrated heat sink on the cpu that was concave. Out came the sandpaper and I lapped that down to bare copper. Lapping a CPU, that's something I've never done before. Anyways temps have now dropped to 48c under load. Still not great but its better than it was & i still think it's reading wrong.
  • edited December 2004
    I've seen the same thing with Intel's IHS's too, Jimborae. I've also lapped the IHS on a Tualatin P3 myself and seen a decent gain in cooling performance. Also, if you don't feel like lapping it, you can see a cooling performance benefit by using a bit more thermal goop than you would normally use. It will move into the spots not perfectly flush with the hsf and help conduct the heat away better than going with a very thin layer of thermal goop when the interface between IHS and hsf isn't ideal.
  • TexTex Dallas/Ft. Worth
    edited December 2004
    Ok but? I have the same cpu as Jimboree on a msi neo. I idle at 36 degrees and full load with a burn in program is only like 8 degrees higher with a Zalman HSF?
  • JimboraeJimborae Newbury, Berks, UK New
    edited December 2004
    Tex wrote:
    Ok but? I have the same cpu as Jimboree on a msi neo. I idle at 36 degrees and full load with a burn in program is only like 8 degrees higher with a Zalman HSF?


    Yeah but as I said I still don't think its reading right. I've seen temps from -22c to 126c on this board! And that in both core cell & mbm5, what bios are you on Tex, this also with 1.8v through the core.
  • TheLostSwedeTheLostSwede Trondheim, Norway Icrontian
    edited December 2004
    The best is actually to remove the IHS completely.
  • JimboraeJimborae Newbury, Berks, UK New
    edited December 2004
    I thought you couldn't do that with newer Amd64's cos the IHS was epoxied to the core??
  • rc1974rc1974 Grand Junction, CO
    edited December 2004
    muddocktor wrote:
    I've seen the same thing with Intel's IHS's too, Jimborae. I've also lapped the IHS on a Tualatin P3 myself and seen a decent gain in cooling performance. Also, if you don't feel like lapping it, you can see a cooling performance benefit by using a bit more thermal goop than you would normally use. It will move into the spots not perfectly flush with the hsf and help conduct the heat away better than going with a very thin layer of thermal goop when the interface between IHS and hsf isn't ideal.

    Before this whole problem started, I was using more thermal goop than was required and was still getting better performance with the stock HSF. If I do get a new HSF, I am thinking of getting a Venus 12. On my Athlon XP 2000+ I had one of those variable speed Volcano HSF's and it worked great, although it was very loud under load. Water cooling sounds cool, but the price... way to expensive. A heat pipe would probably work ok, but a heat pipe would require me to disassemble my computer in order to mount it.
  • Geeky1Geeky1 University of the Pacific (Stockton, CA, USA)
    edited December 2004
    Thermalright XP-90 or XP-120 + good, quiet 92 or 120mm fan.
  • TexTex Dallas/Ft. Worth
    edited December 2004
    Jimborae wrote:
    Yeah but as I said I still don't think its reading right. I've seen temps from -22c to 126c on this board! And that in both core cell & mbm5, what bios are you on Tex, this also with 1.8v through the core.

    i didnt want to reboot right now but the last one I have out on this disk (it may not be the last I flashed) was bios 1.7

    And I don't OC so no way is it at a 1.8 vcore.

    Reading the temps using MSI's package that came with the motherboard called Corecenter it shows the idle temp right now at 36c. the sys temp at 34c. The vcore is 1.45.

    If I run sandras burn in program for an hour I hit like 44 degrees.

    Tex
  • TexTex Dallas/Ft. Worth
    edited December 2004
    I have really like the big round all copper zalmans for a good combination of cooling and noise. I have them on my amd64 3200 and my dual opteron and Robins single opteron.

    Tex
  • TheLostSwedeTheLostSwede Trondheim, Norway Icrontian
    edited December 2004
    Jimborae wrote:
    I thought you couldn't do that with newer Amd64's cos the IHS was epoxied to the core??

    It's easier than ever. Sharpo knife and peel it off. Just as easy to glue back as well ;)
  • Geeky1Geeky1 University of the Pacific (Stockton, CA, USA)
    edited December 2004
    Tex: The Zalmans are excellent HSFs, but I have one problem with them. They have that proprietary 92mm fan in them, and when that fan dies (which it eventually will, since all fans do...) you're gonna be SOL when it comes to a replacement, unless Zalman will sell you one. :-/
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