OC Q6600 to 3.6 but heat....Help please

Hello again,

Well I was able to get to 3.6 with my Q6600 go but temps are a concern. Although I can stay below the “stock”max temp of 71 lower would be better. I am on air and Cores 1 &2 consitantly run about 5-6 degrees hotter than 3 and 4. Could the weight of my extreme 120 be tilting the HS and causing uneven temps or perhaps I just did a crappy job on install.

Unfortunately I don’t have my OC notes in front of me at the moment but I believe my Bios VCore was set at 1.43v to achieve such an OC. Voltages any lower would result in a core failure in Prime95. So far having no issues with booting or blue screens. Vista Ultimate 64 with 4 gig Kingston HyperX mem.

Bios Vcore1.43, FSB 1.5v, mem 2.05v, SPP 1.5v, MCP 1.55v, SPP<>MCP 1.45v

Given that I can’t move much on Vcore can adjusting the other voltages lower CPU heat?
How about a lower Vcore and upping the volts on the other subsystems?
4 answers Last reply
More about q6600 heat help please
  1. 3.6 is pretty much the upper limit on air cooling on a Q6600.

    The core thing is differences in the two die... you have two E6600 dies pasted together. Anyways.. best way to average that out is lap the Heat sink and CPU. If you don't want to do that, you're at about the max you can go (as you've seen).
  2. I don't think lowering other voltages besides Vcore is going to lower the CPU temperature.
  3. Thanks guys, appreciate it
  4. mmorgan216, you may want to consider lapping, and Masscool Shin-Etsu X23. Just so you have a reference, the following is from the Core 2 Quad and Duo Temperature Guide: http://www.tomshardware.com/forum/221745-29-core-quad-temperature-guide

    Scale 2: Quad
    Q6x00: Tcase Max 71c, G0 Stepping, Tjunction Max 100c, Vcore Max 1.372, TDP 95w, Delta 10c

    --70--/--80--80--80--80-- Hot
    --65--/--75--75--75--75-- Warm
    --60--/--70--70--70--70-- Safe
    --25--/--35--35--35--35-- Cool

    Also, here are the temperatures from my Q6600 G0 @ 3.6Ghz:

    Ambient = 22c
    Tcase (CPU) Idle = 28c / Load = 60c
    Tjunction (Hottest Core) Idle = 37c / Load = 72c
    Load = Prime95 Small FFT's 12 Hours
    Vcore Load = 1.440

    Comp :sol:
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