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undervolting i5 2500k

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  • #1

    undervolting i5 2500k

    Hi, I'm wondering if I undervolted my 2500k with my Gigabyte Z68AP-D3 with bios version FD correctly.

    So far I have set "internal CPU PLL overvoltage" to disable, have set "cpu vcore" to normal, and changed "dynamic vcore" to -0.175v.
    Everything else is at default settings.
    CPU-Z reports 0.720v @ idle and 1.032v @ full load.

    Is what I have done the proper/safe/best way to undervolt my cpu?

    Thanks!
    Tags: None
  • #2
    Re: undervolting i5 2500k

    thats the best way,dvid will reduce load voltages,it will also lower idle voltages very slightly
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/[email protected] 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
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    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
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    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
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    • #3
      Re: undervolting i5 2500k

      Originally posted by wazza300 View Post
      thats the best way,dvid will reduce load voltages,it will also lower idle voltages very slightly
      Awesome. Thanks for letting me know!

      Comment

      • #4
        Re: undervolting i5 2500k

        I'm also curious, can i lower other voltages in the bios?

        Like "CPU PLL", "graphics core", or "qpi/vtt voltage"?

        Comment

        • #5
          Re: undervolting i5 2500k

          I'm also wondering, can I lower other voltages in the bios by changing them from auto to a specific voltage?

          Like "CPU PLL", "graphics core", or "qpi/vtt voltage"?

          Comment

          • #6
            Re: undervolting i5 2500k

            aslong as your pc remains 100% stable full load,then you can use as little voltages as possible
            Gigabyte z77x UP4-TH F11c Modded Bios
            Intel i7 3770k 24/[email protected] 1.38v Turbo llc +0.165v dvid multithreading enabled
            Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
            Thermalright Silver Arrow Cpu Cooler
            1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
            1xSamsung f4 HD204UI 2tb hard drive Storage
            Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
            Razer Lycosa Keyboard
            Logitech X-530 5.1 Speakers
            Lite-On iHAS124-19 24x Sata DVDRW
            K-World Hybrid DVB-T 210SE Digital T.V Card
            L.G E2260V L.E.D 1920x1080 Monitor
            Xfx Pro 750w silver rated Psu 80+
            Fractal Arc Midi Case

            http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
            http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

            Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
            Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

            Comment

            • #7
              Re: undervolting i5 2500k

              Originally posted by good223 View Post
              I'm also wondering, can I lower other voltages in the bios by changing them from auto to a specific voltage?

              Like "CPU PLL", "graphics core", or "qpi/vtt voltage"?
              Originally posted by wazza300 View Post
              aslong as your pc remains 100% stable full load,then you can use as little voltages as possible
              Like wazza said as long as your system is still stable keep lowering votages. You should be testting your system with LinX or IBT or Prime95 to make sure the system is stable at full load.
              Main Rig
              Gigabyte z87x-OC
              Haswell i7 4770k - 4.7Ghz @ 1.330v LLC Extreme (L310B492)
              G.Skill F3-1700CL9D-8GBXM DDR3-2133mhz 9-11-10-28 1.65v @ 2800mhz 12-14-14-35 1.7v
              Samsung Green 8GB 2x4GB MV-3V4G3D/US DDR3 1.3v 30nn @ 2200Mhz 11-11-11-32 1.60v
              Sapphire ATI HD 7970 3GB clocked 1200MHz @ 1.181v.
              HiS ATI HD 6950
              Samsung 840 Pro 256GB SSD (boot Drive) on Intel sata3 controller port0
              Corsair Force GT 120 GB Sata3 SSD on Intel sata3 controller port1
              Samsung 320GB HD322GJ 7200 RPM 16M cache on Intel sata3 controller port2
              Sony Optiarc DVD-RW AD-7240S on Intel sata3 controller port5
              CORSAIR CMPSU-850TX PSU
              Swiftech MCP655-B Pump
              EK Supremacy Cpu Block
              Swiftech Mcres Micro Rev 2 Reservoir
              Black Ice GTX Xtreme 360 Radiator



              Comment

              • #8
                Re: undervolting i5 2500k

                Originally posted by Acebmxer View Post
                Like wazza said as long as your system is still stable keep lowering votages. You should be testting your system with LinX or IBT or Prime95 to make sure the system is stable at full load.
                So generally "auto" will set the voltages higher than actually needed just to keep the system stable?

                Comment

                • #9
                  Re: undervolting i5 2500k

                  yes but some times auto can set voltages not high enough. This is why we suggest that even if your running stock or before you start to overclock set all voltage manually and test.
                  Main Rig
                  Gigabyte z87x-OC
                  Haswell i7 4770k - 4.7Ghz @ 1.330v LLC Extreme (L310B492)
                  G.Skill F3-1700CL9D-8GBXM DDR3-2133mhz 9-11-10-28 1.65v @ 2800mhz 12-14-14-35 1.7v
                  Samsung Green 8GB 2x4GB MV-3V4G3D/US DDR3 1.3v 30nn @ 2200Mhz 11-11-11-32 1.60v
                  Sapphire ATI HD 7970 3GB clocked 1200MHz @ 1.181v.
                  HiS ATI HD 6950
                  Samsung 840 Pro 256GB SSD (boot Drive) on Intel sata3 controller port0
                  Corsair Force GT 120 GB Sata3 SSD on Intel sata3 controller port1
                  Samsung 320GB HD322GJ 7200 RPM 16M cache on Intel sata3 controller port2
                  Sony Optiarc DVD-RW AD-7240S on Intel sata3 controller port5
                  CORSAIR CMPSU-850TX PSU
                  Swiftech MCP655-B Pump
                  EK Supremacy Cpu Block
                  Swiftech Mcres Micro Rev 2 Reservoir
                  Black Ice GTX Xtreme 360 Radiator



                  Comment

                  • #10
                    Re: undervolting i5 2500k

                    Originally posted by Acebmxer View Post
                    yes but some times auto can set voltages not high enough. This is why we suggest that even if your running stock or before you start to overclock set all voltage manually and test.
                    Ok thanks for the help. I've been testing various voltages over the past few days.

                    Comment

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