Northbridge temperature is 80ºC in my Mac Pro 2006

Discussion in 'Mac Pro' started by lbodnar, Dec 4, 2009.

  1. lbodnar macrumors regular

    Joined:
    Jan 5, 2004
    Location:
    UK
    #1
    No load temperature of my Mac Pro 1,1 2006 is 80 degrees C.

    Is this normal?

    Leo
     

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  2. zachsilvey macrumors 6502

    Joined:
    Feb 5, 2008
    Location:
    Battle Ground
    #2
    Normal, IDK but it is within safe working temperature. Mine sits around 68 at idle and 80 under load.
     
  3. Spacedust macrumors 6502a

    Joined:
    May 24, 2009
    Location:
    Poland
    #3
    Yes. That's why Mac Pro 2008 is having a large radiator on chipset with heatpipes.

    BTW. What's that program ? I want it ;)
     
  4. lbodnar thread starter macrumors regular

    Joined:
    Jan 5, 2004
    Location:
    UK
    #4
    Is there a space there to fit a small slowly rotating fan to push some air through the heatsink?
    http://www.islayer.com/apps/istatmenus/
     
  5. bearcatrp macrumors 68000

    Joined:
    Sep 24, 2008
    Location:
    Boon Docks USA
    #5
    Get a north bridge cooler. Just google it. Get a fanless one if you can. One problem is fitting them on a mac mobo. You can make adjustments to make it fit though.
     
  6. zachsilvey macrumors 6502

    Joined:
    Feb 5, 2008
    Location:
    Battle Ground
    #6
    I am not 100% sure but I think that with smcFanControl you could up the minimum fan speed. The machine would be a little louder but you could get the temp down.
     
  7. snouter macrumors 6502a

    Joined:
    May 26, 2009
    #7
    That the Northbridge is higher than everything else is not surprising. They run hot.
     
  8. lbodnar thread starter macrumors regular

    Joined:
    Jan 5, 2004
    Location:
    UK
    #8
    The chipset's datasheet states in absolute maximum ratings section that storage temperature should not increase 85ºC. I can't seem to find absolute maximum operational temperature. Personally, this is quite a thin margin between actual operating parameter and absolute maximum value (=no go zone in electronics design lingo.)
     
  9. Peloche macrumors 6502

    Joined:
    Oct 8, 2009
    #9
    IMHO it's a bit hot, i'm using Fan Control to avoid fast aging
     

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  10. lbodnar thread starter macrumors regular

    Joined:
    Jan 5, 2004
    Location:
    UK
    #10
    Update: I have taken the heatsink off. It had horrible bottom surface so I sanded it flat and put some fresh thermal compound on it.

    After assembling it all back I had operating temperature drop from almost 80ºC to 63-65ºC. Cool! :cool:
     

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