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Thread: ASRock 880G/890GX Extreme3 + 1055T 1010BPMW + VCore measure point?




  1. #1
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    Lightbulb ASRock 880G/890GX Extreme3 + 1055T 1010BPMW + VCore measure point?

    Hey there,

    I was wondering - since I own a DMM - where exactly is the VCore measuring point?

    Got a 1055T 1010BPMW and paired it with a 880G Extreme3 1.60, runs at 1.3375V with 3640Mhz. Can't figure out why CPU-z says 1.400V if I set 1.3375V ...

    tia

  2. #2
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    Default Re: ASRock 880G/890GX Extreme3 + 1055T 1010BPMW + VCore measure point?

    Dear Tia,

    It is because the Turbo Core and Cool n Quiet function.
    Here we have a test BIOS for you, it will keep the Vcore under stable value, maybe you can try it if you like it.
    Test BIOS for 890GX Extreme3 L2.41a download link
    Test BIOS for 880G Extreme3 L1.71a download link

    Best Wishes
    Sean
    ASRock Tech Support Staff

  3. #3
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    Default Re: ASRock 880G/890GX Extreme3 + 1055T 1010BPMW + VCore measure point?

    Hi Sean,

    thank you for the reply! :)

    I will try out the new BIOS soon and post some results. Actually Cool'n'Quiet and Turbo Core are disabled during my overclockings.

    Do you know where I could measure the VCore with a digital multimeter?

    OK found them:



    Seems like this BIOS is a bit better than 1.60! Keep up the good work! :)
    Last edited by Yidaki; 06-23-2010 at 06:22 PM.

  4. #4
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    Default Re: ASRock 880G/890GX Extreme3 + 1055T 1010BPMW + VCore measure point?

    Dear Tia,
    Thanks for your reply.

    For your second question, I would like to suggest you take CPU-Z as your reference.
    Thanks for your cooperation.

    Best Wishes
    Sean
    ASRock Tech Support Staff

  5. #5
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    Cool Re: ASRock 880G/890GX Extreme3 + 1055T 1010BPMW + VCore measure point?

    Hi Sean,

    CPU-Z is quite a good reference, but if I set the voltage to for example 1.45V, I get 1.505V with prime 100% load and 1.512V (CPU-Z always shows 1.520V) So the real VCore is alsways a little bit lower than CPU-Z says.

    The 1.71a BIOS is quite good, it performs better than 1.60V, I can bench 4000Mhz with my 1055T. But it still could get better :)

    Cheers

  6. #6
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    Default Re: ASRock 880G/890GX Extreme3 + 1055T 1010BPMW + VCore measure point?

    I use cpuid hwmonitor. It gives vcpu core voltage, memory voltage, PSU voltage's, and GPU voltage. I find it handy for checking the temperatures too. Also individual core temps. You get your systems voltages and temperatures all on one little program. It does change also. It gives highs and lows the longer you leave it open the more it shows the highs and lows. Below is a easy to use download if you are interested in trying it.
    http://www.cpuid.com/medias/files/so...1.16-setup.exe
    Last edited by artdrivers; 06-28-2010 at 09:13 PM.
    http://forums.tweaktown.com/gigabyte...ench-test.html
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  7. #7
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    Thumbs up Re: ASRock 880G/890GX Extreme3 + 1055T 1010BPMW + VCore measure point?

    Hi there.

    I know that program, my problem was not, that I didn't know, which software I should use for measuring different things (I for myself also use everest sometimes), it was more the thought, whether the sayings are correct or not. Because in the end every software gets it's information from the BIOS.

    cheers

  8. #8
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    Default Re: ASRock 880G/890GX Extreme3 + 1055T 1010BPMW + VCore measure point?

    Yeah some programs read bios. Some programs get it from the sensors. It depends. The CPUZ core voltage does fluctuate on this version 1.52.2. There is also an HW monitor in that BIOS. It also will show slightly higher than what you set it on. I noticed they pretty much all go up a tad from what they are set at.
    Last edited by artdrivers; 06-29-2010 at 12:28 AM.
    http://forums.tweaktown.com/gigabyte...ench-test.html
    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
    Phenom II 945 @ 3.2Ghz w/Thermaltake Big Typhoon Pro 14 CPU Cooler
    Gigabyte GA-MA78GM-S2H rev.1.1 F11
    Sapphire 3870HD / 100225L / 512MB / ddr4
    4GB / Kingston / KHX8500D2K2/2GN / 5-5-5-18 / 1066Mhz
    (2) WD Caviar / WD2500AAKS/ 250GB in SATA RAID-0
    (1) WD Caviar / WD2500AAKS/ 250GB in SATA AHCI
    (2) IDE's 1 8XdualDVDRW 1 52x32x52x CDRW
    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home


  9. #9
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    Lightbulb Re: ASRock 880G/890GX Extreme3 + 1055T 1010BPMW + VCore measure point?

    Well, actually I don't know, which monitoring software uses which sensor. But I'm quite sure that the BIOS has to get the values from somewhere, i guess also from the sonsor

    But there are some things I can say for sure:

    - everest shows lets say 35C for the cpu in idle, while coretemps are as low as 16C .. (what can't be below RT) [I use watercooling, XSPC RX240, MB & CPU under water, NexXxos XP, AnfiTec for MB, Laing DDC, bequiet! silentwing fans @ 8V]

    - when under load: CPU temp is near the coretemp (+/- 3-5C) at let's say 46C

    - delta is not that big with CPU temp, but with coretemp

    So what happens here? I know, you have to distinguish between the core temperature and the CPU temp (iirc coretemp is well as the name says the core temperature, the very core of the CPU where the actions happen, so highest e- density --> more heat through thermodynamiX and the CPU temp is the overall temperature of the CPU at the top of the HS, so this is the value, that has to be kept low and should not be exceeded (coolers have to keep to the TDP of the CPU - think this is quite the value, the a cooler specified for 125W has to cool them under 65C or so, not sure about the number, but it ought to be like that), but how can it be under RT (coretemp)?

    I know from Intel (I had a Q9650 on a P45 from DFI) that there was confusion with the "RealTemp" program. There was a different value somewhere, can't quite remember what it was. I think it was the maximum allowed temperature (CPU temp) that was corrected, but correct me if I was wrong.

    Some people say that you have to add around 15C to the coretemps, then they're accurate. Didn't ask him for any source, maybe I will after this post.

    So, back to topic, I think it is unimportant, which monitoring software you use, cou won't get any other values than CPU temp and the coretemps. Maybe there are some programs that are corrected (with these 15C?)?

    Just my 50 cents,
    cheers

  10. #10
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    Default Re: ASRock 880G/890GX Extreme3 + 1055T 1010BPMW + VCore measure point?

    I believe the 95watt 1055T is out now.
    Model number 1055T
    CPU part number HDT55TFBK6DGR
    Box part number HDT55TFBGRBOX
    Electrical/Thermal parameters
    V core (V) 1.125 - 1.4
    Maximum operating temperature (C) 55C-62C
    Thermal Design Power (W) 125
    Model number 1055T
    CPU part number HDT55TWFK6DGR
    Box part number HDT55TWFGRBOX
    Electrical/Thermal parameters
    V core (V) 1.075 - 1.375
    Maximum operating temperature (C) 55C-71C
    Thermal Design Power (W) 95
    http://products.amd.com/en-us/Deskto...?id=641&id=652
    Last edited by artdrivers; 06-29-2010 at 04:44 AM.
    http://forums.tweaktown.com/gigabyte...ench-test.html
    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
    Phenom II 945 @ 3.2Ghz w/Thermaltake Big Typhoon Pro 14 CPU Cooler
    Gigabyte GA-MA78GM-S2H rev.1.1 F11
    Sapphire 3870HD / 100225L / 512MB / ddr4
    4GB / Kingston / KHX8500D2K2/2GN / 5-5-5-18 / 1066Mhz
    (2) WD Caviar / WD2500AAKS/ 250GB in SATA RAID-0
    (1) WD Caviar / WD2500AAKS/ 250GB in SATA AHCI
    (2) IDE's 1 8XdualDVDRW 1 52x32x52x CDRW
    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home


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