[Solved] X58 SLI3 and E-LEET CPU VTT higher than bios?

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mediavieja

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[Solved] X58 SLI3 and E-LEET CPU VTT higher than bios? Thursday, April 07, 2011 10:36 AM (permalink)
Below is a screen of E-LEET, showing my bios setting for VTT which is 125mv+ but in the temp monitor is showing 1.313v-1.323v, when it should be 1.25, is this normal or is there something wrong?
 

<message edited by mediavieja on Friday, April 08, 2011 4:50 AM>
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Vapochill XE
X58 SLI3
i7 930 @ 4.210 MHz 
Larkooler Complete Water Kit BA2-244
EVGA GTX 570 
6GB Corsair Dominator 1600 (1200) @ 8-8-8-24 
Corsair TX750W Power Suply
 
#1
    mediavieja

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    Re:X58 SLI3 and E-LEET CPU VTT higher than bios? Thursday, April 07, 2011 1:33 PM (permalink)
    No clue anyone?? :(
    Vapochill XE
    X58 SLI3
    i7 930 @ 4.210 MHz 
    Larkooler Complete Water Kit BA2-244
    EVGA GTX 570 
    6GB Corsair Dominator 1600 (1200) @ 8-8-8-24 
    Corsair TX750W Power Suply
     
    #2
      rafale

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      Re:X58 SLI3 and E-LEET CPU VTT higher than bios? Thursday, April 07, 2011 3:59 PM (permalink)
      Eleet is a readback. The BIOS gets you the settings. The settings tend to be more accurate than the readback from my experience using a multimeter on my classified boards' check points. I would not worry about the Eleet readbacks. Besides, the CPU Vcore has a Vdroop on/Vdroop off features which basically caries the voltage on the Vcore as a function of loading. Your voltage will vary!

       
      #3
        mediavieja

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        Re:X58 SLI3 and E-LEET CPU VTT higher than bios? Thursday, April 07, 2011 5:32 PM (permalink)
        Guess ill check mine with my multimeter too and post back, but ya my vdrop is off atm, i find it much more stable like this to OC
        Vapochill XE
        X58 SLI3
        i7 930 @ 4.210 MHz 
        Larkooler Complete Water Kit BA2-244
        EVGA GTX 570 
        6GB Corsair Dominator 1600 (1200) @ 8-8-8-24 
        Corsair TX750W Power Suply
         
        #4
          HalloweenWeed

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          Re:X58 SLI3 and E-LEET CPU VTT higher than bios? Thursday, April 07, 2011 5:41 PM (permalink)
          mediavieja


          Below is a screen of E-LEET, showing my bios setting for VTT which is 125mv+ but in the temp monitor is showing 1.313v-1.323v, when it should be 1.25, is this normal or is there something wrong?

          You need a bit of VTT education:
          In all BIOSes released after Jan1, 2010; VTT is 1.2V + offset. If offset is +125, that's 1.325V.
          In previous BIOSes it matters what board you have, classys were as above, vanillas were:
          VTT is 1.1V + offset. If offset is +125, that's 1.225V.
           
          Now, considering you set it to 1.325V, 1.318V is just 0.5% off what you set it. Do you expect it to be closer than that?
           
          Main (gaming) rig: i7-3930K; Asus Rampage IV Extreme; H100 W/p-p Excaliburs, AS5; MSI 7870 2GD5/OC.
          See my primary ModsRigs: Adam for the rest, and I have a second (wife's) rig Asus Rampage III Extreme & 960: Eve.

             
          Overclocking is useless to me if it is not rock stable.
           
          #5
            mediavieja

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            Re:X58 SLI3 and E-LEET CPU VTT higher than bios? Thursday, April 07, 2011 5:56 PM (permalink)
            HalloweenWeed


            mediavieja


            Below is a screen of E-LEET, showing my bios setting for VTT which is 125mv+ but in the temp monitor is showing 1.313v-1.323v, when it should be 1.25, is this normal or is there something wrong?

            You need a bit of VTT education:
            In all BIOSes released after Jan1, 2010; VTT is 1.2V + offset. If offset is +125, that's 1.325V.
            In previous BIOSes it matters what board you have, classys were as above, vanillas were:
            VTT is 1.1V + offset. If offset is +125, that's 1.225V.

            Now, considering you set it to 1.325V, 1.318V is just 0.5% off what you set it. Do you expect it to be closer than that?


             
            Oh ok thats what i was waiting to read, cause all the oc guides iv read about the i7 says that the vtt was 1.1 for my board and 1.2 for classy by default, so now the default for all of them is 1.2 plus the offset then that explains my voltages and would say the voltages are fine.
             
            I have another question tho, i have manually set the voltage of my vcore to 1.275 in bios as u can see in the screenshot but in eleet is showing 1.31, why is that? i have vdrop off and my understanding of vdrop off is that it increases the vcore voltage when its on load for 0.03 or 0.04, or is it that it also affects that too?
            Vapochill XE
            X58 SLI3
            i7 930 @ 4.210 MHz 
            Larkooler Complete Water Kit BA2-244
            EVGA GTX 570 
            6GB Corsair Dominator 1600 (1200) @ 8-8-8-24 
            Corsair TX750W Power Suply
             
            #6
              HalloweenWeed

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              Re:X58 SLI3 and E-LEET CPU VTT higher than bios? Thursday, April 07, 2011 6:01 PM (permalink)
              EVGA is bad about not updating the info in their manuals, and not much difference shown between the classy manuals and the vanillas either. They really should detail more specific board info. Not very pro IMO, but many mfgrs are worse. Just a minute and I will dig up my Vdroop difference info...
               
              OK:
              VDroop off vs on voltage setting differences:
              100508: 1.225 to 1.24373 = 0.01873V
               
              That means your CPU Vcore will raise about 0.012 higher when you turn off Vdroop.
              <message edited by HalloweenWeed on Thursday, April 07, 2011 6:03 PM>
              Main (gaming) rig: i7-3930K; Asus Rampage IV Extreme; H100 W/p-p Excaliburs, AS5; MSI 7870 2GD5/OC.
              See my primary ModsRigs: Adam for the rest, and I have a second (wife's) rig Asus Rampage III Extreme & 960: Eve.

                 
              Overclocking is useless to me if it is not rock stable.
               
              #7
                HalloweenWeed

                • Total Posts : 4795
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                Re:X58 SLI3 and E-LEET CPU VTT higher than bios? Thursday, April 07, 2011 6:06 PM (permalink)
                The board voltage sensors are not very accurate, you must check them with a DVM to verify they are correct. It is normal for them to be 0.03 off, and they could be a lot farther off than that.
                Main (gaming) rig: i7-3930K; Asus Rampage IV Extreme; H100 W/p-p Excaliburs, AS5; MSI 7870 2GD5/OC.
                See my primary ModsRigs: Adam for the rest, and I have a second (wife's) rig Asus Rampage III Extreme & 960: Eve.

                   
                Overclocking is useless to me if it is not rock stable.
                 
                #8
                  mediavieja

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                  Re:X58 SLI3 and E-LEET CPU VTT higher than bios? Thursday, April 07, 2011 6:47 PM (permalink)
                  Well i checked with my multimeter through the evboot (if i remember well thats the name of the voltage measuring points above the ddr), and they show exactly the same info that im seeing on the sensors, well i guess this hole thing is normal then, tyvm
                   
                  Now i understand why i had to rma my previous board, the voltage for vtt was set to be safe at a max of 500mv+ considering that the guides said my default voltage was 1.1 but then a few minutes later when i was running linx my motherboard went off and it stopped booting, the diagnostic leds were not even comming on, i guess i fry the chipset or maybe was really bad luck cause my brand new power supply got damage 1 week after hours after my brad new gtx 570 got damage too, that day i though my power supply had the fault of damaging my mobo and video card, but now im thinking that my board might have gone bad cause of this vtt thing :(
                   
                  Once again thank you very much for your help and ill be extra carefull from now on to check every single voltage while i OC and not trust the manuals or sensors-
                  Vapochill XE
                  X58 SLI3
                  i7 930 @ 4.210 MHz 
                  Larkooler Complete Water Kit BA2-244
                  EVGA GTX 570 
                  6GB Corsair Dominator 1600 (1200) @ 8-8-8-24 
                  Corsair TX750W Power Suply
                   
                  #9

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