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Thread: Wiring 2 fans to one header




  1. #61
    boondocks's Avatar
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    Default Re: Wiring 2 fans to one header

    Not a lot of point in posting screenshots, it's the fluctuation at idle that bugs me. Also core 4 always reads a fair bit higher in all the apps.
    When you have something moving over a 10 point range back and forth constantly it's hard to determine what's going on. I'm in no fear that anything is overheating but still would like more stability in the readings.
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  2. #62
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    Default Re: Wiring 2 fans to one header

    I guess it's kind of normal for on-die diode temps to fluctuate each reading, just by the nature of things.

    I made a screen of my temps while doing some linx passes, if it's any comfort to see I too have like 11C difference on cores and spikey readings.

    - Z68X-UD3H-B3(rev 1.3), bios F12
    - I5-2500k [3148C059], cooled by scythe mugen2 rev.b with 1500rpm pwm-fan on cpufan header.
    - 8G(2x4G) Corsair Vengeance LP CML8GX3M2A1600C9W,Low profile/Low voltage, DDR1600/C9-1.35v. Slots 1&2.
    - 16G(4x4G) Samsung M378B5273DH0-CH9 1333 @ 2133-c11. w1.55v

    - Seasonic M12D SS850-EM , 850W Semi-Modular PSU with 80A at 12V.
    - 2x EVGA GeForce GTX285-1GB in SLi, 4x 6pin power and bridge connected.[PCIEX_16 and PCIEX_8]
    - Hauppauge HVR2200 PCIE 1x tv-tuner card.[PCIEX1_3]
    - Intel controller in raid mode.
    - 2x WD 500G blacks in raid0 on intel port 0-1.
    - 1x WD 1000G black on intel port 2.
    - 1x OCZ Vertex2 (32nm) on intel port 3.
    - 1x Optiarc DVDRW on intel port 4.
    - 1x Samsung 500G on marvell port 0.
    - 24" LCD monitor @ Geforce 0, lower HDMI port.
    - 17" LCD monitor @ Geforce 0, upper HDMI port.
    - 19" LCD tv @ intel/onboard HDMI.
    - 4ch analoge speakers, cambridge dtt set.
    - internal spdif header connected to Geforce 0.
    - front usb connected.
    - front ac97 connected.
    - front cardreader (usb) connected.
    - rear 4x usb bracket.
    - ms media keyboard, ms comfort mouse. usb, wired.
    - w7x64-sp1.



  3. #63
    boondocks's Avatar
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    Default Re: Wiring 2 fans to one header

    I'm seeing about 11 point spread as well. HWinfo seems to give less fluctation, probably averaging or spacing out the readings a little more. Realtemp drives me crazy, constantly moving.

    Going to pull mine apart later and blow some dust out of the 212, it's unbelievable how clogged it gets with dust. I pretty much have to use my air compressor to get all the crud out of the heat sink fins. I'm hoping once I get it clean again the push-pull will suck the dust through and blow it at the rear fan in the 922. Probably not but we'll see.
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    Seasonic Platinum 1000w custom fabbed/sleeved psu wiring by me

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  4. #64
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    Default Re: Wiring 2 fans to one header

    At first I reseated the heatsink a couple of times, thinking I had an airpocket over core2 [0-3], but dismounting did not show evidence and the remount did not change anything either. Now I've seen this in a couple of sandy's and it doesn't worry me anymore.
    - Z68X-UD3H-B3(rev 1.3), bios F12
    - I5-2500k [3148C059], cooled by scythe mugen2 rev.b with 1500rpm pwm-fan on cpufan header.
    - 8G(2x4G) Corsair Vengeance LP CML8GX3M2A1600C9W,Low profile/Low voltage, DDR1600/C9-1.35v. Slots 1&2.
    - 16G(4x4G) Samsung M378B5273DH0-CH9 1333 @ 2133-c11. w1.55v

    - Seasonic M12D SS850-EM , 850W Semi-Modular PSU with 80A at 12V.
    - 2x EVGA GeForce GTX285-1GB in SLi, 4x 6pin power and bridge connected.[PCIEX_16 and PCIEX_8]
    - Hauppauge HVR2200 PCIE 1x tv-tuner card.[PCIEX1_3]
    - Intel controller in raid mode.
    - 2x WD 500G blacks in raid0 on intel port 0-1.
    - 1x WD 1000G black on intel port 2.
    - 1x OCZ Vertex2 (32nm) on intel port 3.
    - 1x Optiarc DVDRW on intel port 4.
    - 1x Samsung 500G on marvell port 0.
    - 24" LCD monitor @ Geforce 0, lower HDMI port.
    - 17" LCD monitor @ Geforce 0, upper HDMI port.
    - 19" LCD tv @ intel/onboard HDMI.
    - 4ch analoge speakers, cambridge dtt set.
    - internal spdif header connected to Geforce 0.
    - front usb connected.
    - front ac97 connected.
    - front cardreader (usb) connected.
    - rear 4x usb bracket.
    - ms media keyboard, ms comfort mouse. usb, wired.
    - w7x64-sp1.



  5. #65
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    Default Re: Wiring 2 fans to one header

    I pulled off the 212 and washed/blew all the dust and nicotine out, moved the side fan from top to bottom, ran Intel burn test standard/8 threads. Max core temp was 76.
    The 212 isn't quite as robust as I thought it would be, but there's little I do that uses more than one core at this time. I'm only running 4.2GHz, got kind of sidetracked on the fan thing. If I was a serious overclocker and stuck with air cool I would want something a little better. But for the price it's good enough.
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    Seasonic Platinum 1000w custom fabbed/sleeved psu wiring by me

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  6. #66
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    Default Re: Wiring 2 fans to one header

    IBT is a worst case scenario anyway, so I would not care if it went past 80c on that test. Prime will heat it up 10c less, and most normal apps stay way below that.

    I'm not much of a record overclocker either, but I do always try to find a nice allday setting, with this 2500k 4.5ghz@1.3v is quite okay, could do 46x or 47x also with a little more voltage, but feel the gain is not worth it... would be nice of you could hit 4.5 also, but maybe the cooler is not enough.
    - Z68X-UD3H-B3(rev 1.3), bios F12
    - I5-2500k [3148C059], cooled by scythe mugen2 rev.b with 1500rpm pwm-fan on cpufan header.
    - 8G(2x4G) Corsair Vengeance LP CML8GX3M2A1600C9W,Low profile/Low voltage, DDR1600/C9-1.35v. Slots 1&2.
    - 16G(4x4G) Samsung M378B5273DH0-CH9 1333 @ 2133-c11. w1.55v

    - Seasonic M12D SS850-EM , 850W Semi-Modular PSU with 80A at 12V.
    - 2x EVGA GeForce GTX285-1GB in SLi, 4x 6pin power and bridge connected.[PCIEX_16 and PCIEX_8]
    - Hauppauge HVR2200 PCIE 1x tv-tuner card.[PCIEX1_3]
    - Intel controller in raid mode.
    - 2x WD 500G blacks in raid0 on intel port 0-1.
    - 1x WD 1000G black on intel port 2.
    - 1x OCZ Vertex2 (32nm) on intel port 3.
    - 1x Optiarc DVDRW on intel port 4.
    - 1x Samsung 500G on marvell port 0.
    - 24" LCD monitor @ Geforce 0, lower HDMI port.
    - 17" LCD monitor @ Geforce 0, upper HDMI port.
    - 19" LCD tv @ intel/onboard HDMI.
    - 4ch analoge speakers, cambridge dtt set.
    - internal spdif header connected to Geforce 0.
    - front usb connected.
    - front ac97 connected.
    - front cardreader (usb) connected.
    - rear 4x usb bracket.
    - ms media keyboard, ms comfort mouse. usb, wired.
    - w7x64-sp1.



  7. #67
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    Default Re: Wiring 2 fans to one header

    Make sure you are using the latest versions of these software for stress testing and monitoring.

    This is the latest version of LinX linx(0.64)_10.3.9.015.zip It has the latest library.

    Here is the latest version on Prime95 ftp://mersenne.org/gimps/p64v273.zip

    Both of these should take full use of AVX in the cpu as long as you have SP1 installed. This will stress your cpu out to its fullest.
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  8. #68
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    Default Re: Wiring 2 fans to one header

    With CoreTemp, you can change the "temperature polling interval".
    Default is 1000ms (1 second).
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  9. #69
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    Default Re: Wiring 2 fans to one header

    Quote Originally Posted by profJim View Post
    With CoreTemp, you can change the "temperature polling interval".
    Default is 1000ms (1 second).
    ESET sure did not like the download. Guess it was the toolbar stuff.
    Anyway, this is pretty good. I set the polling for about 3 seconds and it smooths it out a little. Still curious why the sensors jump between 28* & 40* . If I plotted it would probably look like a sine wave.
    Thanks for the link!
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    Seasonic Platinum 1000w custom fabbed/sleeved psu wiring by me

    Wifes: Z77X-UD5H / 3770K w/c with Raystorm copper block & 2 Rads/ Kingston HyperX RAM / Switch 810 case/ PowerColor AX7950 w/EK block
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  10. #70
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    Default Re: Wiring 2 fans to one header

    OCCT is a stress testing program that also has graphing options for voltage and temperature readings versus cpu load during the tests.
    Download - OCCT Website english
    ZoneAlarm anti-virus has no problem with the zip and exe downloaded files.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
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