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Overclocking Intel Pentium D 820 to 3GHz

Discussion in 'Overclocking & Cooling' started by Glitched System, Mar 11, 2007.

  1. Glitched System New Member

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    Whats the possiblities if you overclock a ( See bellow ) to 3GHz, could that cause permanant damage the to the CPU?


    Processor 1 (ID = 0)
    Number of cores 2
    Number of threads 2 (max 2)
    Name Intel Pentium D 820
    Codename SmithField
    Specification Intel(R) Pentium(R) D CPU 2.80GHz
    Package Socket 775 LGA (platform ID = 4h)
    CPUID F.4.7
    Extended CPUID F.4
    Core Stepping B0
    Technology 90 nm
    Core Speed 2810.0 MHz (14.0 x 200.7 MHz)
    Rated Bus speed 802.8 MHz
    Stock frequency 2800 MHz
    L1 Data cache 2 x 16 KBytes, 8-way set associative, 64-byte line size
    Trace cache 2 x 12 Kuops, 8-way set associative
    L2 cache 2 x 1024 KBytes, 8-way set associative, 64-byte line size
     
  2. freakshow

    freakshow

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    you can get the 820 up to 3.8 even hit 4hz with good enough cooling i was running mines at 4ghz stable but it was getting to hot so i set it back down to 3.8ghz stable its all depends what your set up is and if u got enough cooling
     
  3. Glitched System New Member

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    Well, I've got a 120mm fan in the back of my case, 60mm fan on side and front vents. On my CPU I've got a Coolmaster ( I think, can't remember ) It has a huge heatsink on it and 60mm fan.

    Also, memory. DDR2-5300 333MHz


    Can you tell me what cooling your using?
     
  4. freakshow

    freakshow

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    the memory might limit you on your overclock and is it stock cooling????
     
  5. Glitched System New Member

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    Nope, I broke the old stock cpu fan. The 120mm in the back is a added fan. When I reboot for a driver update, I will tell you exactly what it is. I might install fans near the HDD too.
     
  6. Glitched System New Member

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    Just confirmed it is a Cool master, Cost around $25.
     
  7. anticlutch

    anticlutch

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    What are the idle temps at stock speeds?
     
  8. Glitched System New Member

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    CPU Goes around 56 C - 60 C :(

    Motherboard goes around 35 C


    I just fixed my rear fan to blow the air our and I added a front fan to pull air in, it didn't do any different =(
     
    Last edited: Mar 12, 2007
  9. KennyT772

    KennyT772 New Member

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    the pent d's are space heaters so you might need a better heatsink.
     
  10. Glitched System New Member

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    Well I said screw it and I overclocked it to 3GHz

    Temps;
    Cpu: 58-66 C
    HDD: 38 C
     
  11. anticlutch

    anticlutch

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    those cpu temps are really dangerous... you need a good cpu heatsink ASAP.
     
  12. infrared New Member

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    58-66c are ok for that chip, since it's basically 2x prescot cores. The problem is that there is no temperature monitoring on that chip. Cpu temperature is read from a thermal diode on the motherboard 'near' the cpu, so it's likely that the real temperature is 10c higher.

    Download "panopsys throttlewatch". I guarantee you the chip will be throttling back, and you'll loose performance.

    I once tried a Pentium D 805 in my testbed. Under high-end watercooling, the damn chip still broke over 65c @ 4ghz 1.7v. I put the chip in my brother's computer, which is unfortunately using stock cooling. ATM it's at 2.66ghz, and it gets to about 75c with Orthos. (Thermal Throttling disabled in bios)

    My advice to you would be to buy an Arctic Freezer 7 Pro. That will see you get 3ghz or higher no problems.
     
  13. Glitched System New Member

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    Ok, I got a can of Dust Off and used half can to blow out dust. Now it idles at 54C - 56C Using SpeedFan Program.


    3.06 GHz
     
    Last edited: Mar 13, 2007
  14. Glitched System New Member

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    How much further can I push my CPU its at 3.16 GHz right now

    56-65 C using speed fan program
     
  15. infrared New Member

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    wait a minute... did you say "idles" at 54c-56c???

    We meant the 'load' temperature when you're using a stresstest program like orthos.

    That is way too hot, seems to hot even for the stock intel cooler. Have you tried replacing the thermal grease for AS5 or Ceramique? I'd highly recommend it until you can get a decent heatsink.
     
  16. Glitched System New Member

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    I just bought a new heatsink and fan, its a midsize heatsink with 4 wing like sqaures coming of it. =(
     
  17. infrared New Member

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    ahh, what heatsink is it? or show us a picture if you're not sure. :)
     
  18. hat

    hat Enthusiast

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    My prescott is 50c in the bios after i blew out all the air in the heatsink :/
     
    Crunching for Team TPU More than 25k PPD
  19. Glitched System New Member

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  20. anticlutch

    anticlutch

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    Hm..it should be better than your stock heatsink, but how much did you pay for it?
     
  21. Glitched System New Member

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    24.50 Usd
     
  22. anticlutch

    anticlutch

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    bleh.. for $10 more you could have gotten a much better hs :(

    Anyways... what temps do you get now (with the new heatsink)?
     
  23. Glitched System New Member

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    Overclocked @ 3.1Ghz

    Idle: 58C Via SpeedFan Prog


    I didn't buy it, my friends dad did. He sorta broke my old stock one =(
     
  24. Glitched System New Member

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    Seems the issue was fixed =/

    Let my comp run all night and I can't get the temp to go over 63C.
     
  25. DarkMastyr New Member

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    Have any of you had weird issues with programs O.C.'ing above 3.2ghz or so (~230FSB). Google Earth starts freaking out and becoming skippy, and my RKLauncher starts getting weird, too. Basically a bunch of programs start acting up. My setup looks like this:

    Intel 820D watercooled with Swiftech Apex Ultra 220
    Asus P5WD2-E
    2x1GB OCZ Platinum Rev.1 PC6400
     
    Last edited: Mar 18, 2007

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