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Thread: EX58-UD4P Temperature Sensors




  1. #1

    Default EX58-UD4P Temperature Sensors

    I was using SpeedFan v4.38 to try and control my PWM fan (which failed btw - ET6 has this option and it worked great) and I noticed a number of temperature readings.

    I included a screenshot below. Ignore that my +3.3V is at 0.16V, my +12V is at 1.09V, etc...I'm pretty sure SpeedFan just mismatched voltage readings.

    Temp1 seems to match up with "System" temperature in EasyTune6 - but where exactly is the System temperature read from?

    Temp2 matches up with the CPU temperature in EasyTune6 - but we have per core temperatures anyway, so what does an overall CPU temperature even mean?

    I have no idea where it's reading Temp3 from, any ideas? It could be the Northbridge, and if so, what's an acceptable temperature range for it?
    Last edited by demonsavatar; 07-21-2009 at 10:41 PM.
    i7 920 C0/C1 3841A
    24/7 OC: 21x183Mhz = 3.84Ghz @ stock Vcore/QPI voltages
    Thermalright Ultra-120 Extreme 1366
    3x2GB OCZ DDR1600 OCZ3P1600LV6GK
    EX58-UD4P BIOS F11
    EVGA GTX 260 Core 216 SC 55nm 896-P3-1257-AR
    Antec NEO HE 550 Power Supply

  2. #2
    Join Date
    Sep 2008
    Posts
    990

    Default Re: EX58-UD4P Temperature Sensors

    Easytune uses TCase for its CPU temp which is different from the core temps reported by many other programs. TCase is a different way of measuring the CPU temperature/uses a sensor other than the ones in the cores. I don't fully understand it since it's a little more complicated, but it's not really necessary understand it, just use CoreTemp/RealTemp ;)
    Off the other two temps one is probably the NB temp and the other the temperature of the monitoring chip. The chip is often located close to the video card where it will get quite hot (because the video card radiates heat) but that doesn't matter.
    Try to use Everest, it often names the the temeprature readings instead of listing them like SpeedFan.
    Last edited by Nickel020; 07-21-2009 at 11:47 PM.


  3. #3
    Join Date
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    Default Re: EX58-UD4P Temperature Sensors

    You may have to alter configuration of SpeedFan to control your FAN. IIR, SpeedFan has three settings for fan control in advanced configuration: ON/OFF, Software Controlled and SmartGuardian. Software controlled is the correct option to choose for PWM capable fans and headers. Note that the only fan I can control on my board with speedfan that gives 12v is CPU_FAN. The SYS_FAN_1 header can be controlled, but is gimped to 5v only, under Gigabytes infinite wisdom.

    **Edit: Speedfan also gives incorrect voltage readings for me. These can safely be ignored. My 12V rail is ~12.2 at idle, and slightly lower under full CPU and GPU load, as measured with a DMM and taken from an additional modular PCIe connector.
    Last edited by Psycho101; 07-22-2009 at 01:53 AM.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  4. #4

    Default Re: EX58-UD4P Temperature Sensors

    Ah, Everest cleared it up a bit. Temp1 = Case temperature (still not exactly sure from where), Temp2 = CPU temp (I use realTemp anyway so ignored this), and Temp3 = Northbridge, as expected. My Northbridge is running 50C at idle, what are you guys running at?
    i7 920 C0/C1 3841A
    24/7 OC: 21x183Mhz = 3.84Ghz @ stock Vcore/QPI voltages
    Thermalright Ultra-120 Extreme 1366
    3x2GB OCZ DDR1600 OCZ3P1600LV6GK
    EX58-UD4P BIOS F11
    EVGA GTX 260 Core 216 SC 55nm 896-P3-1257-AR
    Antec NEO HE 550 Power Supply

  5. #5

    Default Re: EX58-UD4P Temperature Sensors

    Under idle my northbridges temp is always 1 or 2 degrees higher than my CPU temp which is currently 34 C.

  6. #6

    Default Re: EX58-UD4P Temperature Sensors

    Quote Originally Posted by Grnkjr0 View Post
    Under idle my northbridges temp is always 1 or 2 degrees higher than my CPU temp which is currently 34 C.
    What kind of OC are you running, if any at all? A signature with specs helps a lot.
    i7 920 C0/C1 3841A
    24/7 OC: 21x183Mhz = 3.84Ghz @ stock Vcore/QPI voltages
    Thermalright Ultra-120 Extreme 1366
    3x2GB OCZ DDR1600 OCZ3P1600LV6GK
    EX58-UD4P BIOS F11
    EVGA GTX 260 Core 216 SC 55nm 896-P3-1257-AR
    Antec NEO HE 550 Power Supply

  7. #7
    Join Date
    Jun 2009
    Posts
    33

    Default Re: EX58-UD4P Temperature Sensors

    With an O/C to 4.116 GHz, and an ambient temp of 70F, SpeedFan reports (at idle):

    MB Temp: 35C
    CPU Temp: 42C
    NB Temp: 47C

    Coolermaster Centurion 5 case ...
    Gigabyte GA-EX58-UD4P rev 1.0; F14q (mod) BIOS
    Core i7 920 rev D0 (batch: 3849B203) @ 4.2 GHz
    Thermalright Ultra-120 eXtreme-1366 RT
    OCZ 6GB 1600MHz CL7-7-7-24 DDR3 (OCZ3P1600LV6GK 3x2GB)
    Samsung SSD 830 - 128 GB
    Sapphire Radeon HD4770 512MB
    LiteOn iHAS422 & iHAS424
    BFG LS-550 (single 12v rail)
    Windows 7 Ultimate (x64), SP1

  8. #8

    Default Re: EX58-UD4P Temperature Sensors

    I am not doing any overclock at all at the moment. I am having some issues with installing the Thermalright IFX-14 heatsink. The way its mounted is not strong enough and it can not be tightend enough so that it gets rock solid fastend to the CPU. I can actually move the heatsink with ease. The spring loaded screws can not hold it.

    I am currently looking to see if any had a similar problem with that.
    Last edited by Grnkjr0; 07-22-2009 at 01:37 PM.

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