Alpha P3125...suck or blow?
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Thread: Alpha P3125...suck or blow?

  1. #1
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    Alpha P3125...suck or blow?

    Your comments welcome. Right now I have it blowing... but will it perform better if it is sucking?

  2. #2
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  3. #3
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    Depends on your setup, when I ran the alpha, I Always drew the air off the sink, and was rewarded with a temp about 2 degrees cooler.Also, my theory is this= why blow Hot air down on the system chipset/ board, when you can pull the heat off the sink, and out in the open, where an exhaust fan can freely draw the Hot air outta the case.

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  4. #4
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    Yay Big Lar, that's what I'd say too. Some people might argue that the motherboard chipset and (god forbid) ram heat up the air before it's sucked onto the heatsink, but really - how much of a difference can it make ? The idea of cooling the cpu and then completely getting rid of the air is a much more viable to me.

    Terry : did you buy that Alpha from 3dfxcool?
    I ask because I know they've suggested to set the fans blowing onto the heatsink instead of sucking(which is what the alpha was designed for)

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  5. #5
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    I got it at Millisec: http://millisec.safeshopper.com/index.htm?140

    I also got 2 of the Sunon Green Label 26CFM fans with it. I tried a Delta 38 before on my old 750 Flipchip [on a slotket] which had a Alpha PEP66 [had that one sucking]... but it was too damn loud.

    It does work well blowing...28c [BIOS reading] on a P3 1ghz/100mhz FSB chip I just got. On a Soyo 6BA+4 board it is running 1150mhz with the voltage bumped up 5%.

    Just wondering if the fans were sucking if it would do any better.

    [This message has been edited by Terry (edited 03-25-2001).]

  6. #6
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    Only way to find out is to try it....so....TRY IT

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  7. #7
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    I've always had best results sucking away from the HS. It's even more efficient if you further duct the fan to another fan blowing out of the case

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  8. #8
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    I agree. Sucking seems to keep the CPU about 2 degrees cooler. 600R, I'm doing that right now: I built a cardboard duct that funnels the air to another Delta that is sucking the air out of the case. Keeps the system temp about 73F and the CPU at 90F.

  9. #9
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    ANOTHER Delta ? OMG

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  10. #10
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    I emailed Millisec and got this reply from Jim Phillips

    "They should suck on the 3125/7125/PEP66 and blow on the PAL."

  11. #11
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    Blow on the PAL?? No way! The shroud is designed so that the fan should be sucking. If you check the ALPHA website, they reccomend that you leave it sucking

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    Duron 700@1096 2.07v Air Cooled
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    ASUS 50x
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    GlobalWin 802 w/5x80mm YS-Techs
    Duron 700@1100 2.1v Air Cooled - RIP

  12. #12
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    I was going to say the same thing as 600r, The cooler was designed to suck from the heatsink...thats the whole reason it has the shroud around it.

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  13. #13
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    On the Alpha website it says that the P3125 has 1 c/w less with the fans sucking rather than blowing (meaning that sucking = good)

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