MOVED: Z68A-GD80 (B3) CPU Throttling issue

This topic has been moved to Overclockers & Undervolting & Modding Corner.
https://forum-en.msi.com/index.php?topic=156345.0

I have a z68a-GD65-G3 - and I also have this issue. On a 2700K, I'm at 1.40vcore and a multi of 50 - gives me 5Ghz (sadly, CPU-Z reports 4988.7 due to the 99.8Mhz bus speed bug, anyone know how to fix that?)
So I was stable at 50multi x100 at 1.4vcore on the Bios the board shipped with, however, I noticed that when I ran the intel burn test it would throttle back to between 4.1Ghz and 4.6Ghz - this is really annoying, as I have disabled ALL of the bios options that have anything to do with speed management/throttling. But just to be sure, could someone please list all the bios items that need to be disabled to make sure the cpu isn't throttled?
In an effort to fix this, I decided to flash the bios to the newest one on MSI's site, 7681 N60, however, this did *not* fix the throttling issue. And now, I get lockups when I run intel burn test where before it was stable :( So I guess I'm going to revert to the BIOS the board shipped with, because at least then it was stable at 5Ghz, but...
***MSI Rep's - the throttling issue here isn't acceptable. This needs to be addressed. I want my CPU to be at Multiplier setting I set it at.***

Similar Messages

  • Z68A-GD80 (B3) v20.1 Issue

    Board: MSI Z68A-GD80 (B3)
    Bios: v20.1
    VGA:   MSI N680GTX Twin Frozr 4GD5/OC
    PSU:   Corsair AX850
    CPU: Intel Core i7 2600K
    MEM: 8GB G.SKILL Ripjaws X Series DDR3 1600 PC3-12800 9-9-9-24 (F3-12800CL9D-8GBXL)
    HDD: Western Digital VelociRaptor (300GB, WD3000GLFS)
    COOLER: Noctua NH-D14
    OC: (Turbo)4.7Ghz 1.375CPUV
    OS: Windows 7 64bit Professional
    Hello,
    Since upgrading to BIOS v20.1 on my Z68A-GD80 (B3) I've run into a minor issue.  I've disabled the onboard NICs because I have a PCIe NIC that I use.  When I resume from sleep, the onboard NICs are suddenly enabled.
    This appears to be a bug with the v20.1 BIOS.  I've tried resetting back to factory defaults and clearing the CMOs, to no avail.
    Any ideas?

    Quote from: 87ninefiveone on 26-February-13, 09:34:49
    OP, completely off topic, but at the risk of being so...
    You've got pretty much the same basic system I do. Are you able to OC with your 2600K on that BIOS? I'm running v20.0 and all options to OC are unavailable or AUTO only.
    Yes, I am able to overclock my 2600K with the v20.1 BIOS.  I'm not exactly thrilled with it, though.  In addition to the NIC issue I'm having issues with my sound card as well.  When I play games my friends complain of buzzing noises when using VOIP, which are coming from me.  I never had that issue before v20.1.
    Quote from: Froggy Gremlin on 26-February-13, 17:31:14
    This is one of the rare boards that can be crossflashed using a Z68A-GD80(G3) UEFI/BIOS successfully. This Beta I have linked is outstanding. Further down in the Beta thread, there is also the final release J22 which I have not tried and most likely won't.
    Really?  I may try that BIOS since I'm not very happy with v20.1.
    UPDATE: I flashed to the G3 BIOS v19.2 and the NICs still are enabled when coming out of sleep.  I'm going to test to see if the sound issue still occurs.  I'm not hopeful at this point.
    UPDATE 2: The G3 BIOS v19.2 is no better, unfortunately.  I was able to duplicate the sound issue for the first time and hear what my friends have been complaining about.  When the system has to work there is a "buzzing" noise that is transmitted over the VOIP connection - it sounds like a fly buzzing around.  This happens with the Steam client - I'm going to try Skype now.
    UPDATE 3: Skype is even worse.  The buzzing is continuous whenever I'm in a game.  Is a rollback to v17.5 possible at this point?

  • Z68A-GD80 (G3) Networking/LAN Issue

    Have been having this problem since I purchased the board. Essentially, I installed all the hardware and went to install the operating system. Worked fine for the first time. After about the fourth start up, the operating system did not even recognize the LAN/Gigabit networking controllers. This is not a huge problem as I had an extra networking card, but its annoying if you want to use SLI/Crossfire due to the network card blocking a video card fan exhaust. Tried to reinstall the operating system, but this did not fix the issue and the OS did not recognize the LAN ports from the very beginning of the install.
    One solution I have found is to completely turn off all power and remove the RAM to have a full mobo reset. Unfortunately, this will clear all my overclocking preferences and the disappearing LAN ports will still happen from time to time.
    My question is have other people had this problem of the disappearing network controllers with the Z68A-GD80? Is there an easier solution then RMA'ing the board entirely?
    Thank you in advance for your help !!

    Quote
    My question is have other people had this problem of the disappearing network controllers with the Z68A-GD80? Is there an easier solution then RMA'ing the board entirely?
    Does 'Network Adapter' show up in Device Manger? So far, this has not been experienced on the GD80(G3) here, but a GD80(B3) never even had the LAN port LED's lite up. Just a guess, but believe it to be a possible Z68 chipset problem. If planning on keeping the system for a long time, it may be best to RMA it now for a fully functional mainboard.

  • MOVED: Z68A-GD80 (B3) - updating drivers/utilities/BIOS

    This topic has been moved to Intel Core-iX boards.
    https://forum-en.msi.com/index.php?topic=152116.0

    Quote
    Live Update is a joke.
    We know, that is why we tell everybody not to use it, to uninstall it and to ignore it altogether.
    Quote
    nd I keep getting redirected to the DriverSmith site to pay for a utility to download driver updates for a motherboard I just bought - UNBELIEVABLE!
    You can find all relevant drivers and BIOS Updates on the product site for you mainboard, just choose you Operating using the drop-down menu:
    http://msi.com/product/mb/Z68A-GD80--B3-.html#/?div=Driver&os=Win7%2032
    BIOS-Updates can be found here:
    http://msi.com/product/mb/Z68A-GD80--B3-.html#/?div=BIOS
    Newer BETA Releases here:
    https://forum-en.msi.com/index.php?topic=148779.msg1123646#msg1123646
    For flashing, if needed, >>Use the MSI HQ Forum USB flasher<<.

  • MOVED: Z68A-GD80 (G3) multiplyer issue.

    This topic has been moved to Overclockers & Undervolting & Modding Corner.
    https://forum-en.msi.com/index.php?topic=152131.0

    Final result from new beta Bios is CPU ratio above 47x will  not stay where user chooses, no matter the settings. Once a load is applied it down clocks to a lesser value the value is load dependent the higher the load the lower the value.
    http://home.bendbroadband.com/bypolar/MSI/Final/[email protected]
    http://home.bendbroadband.com/bypolar/MSI/Final/[email protected]
    http://home.bendbroadband.com/bypolar/MSI/Final/14.jpg
    Turning off all power state settings one at a time till they are all disabled.
    1.disable intel C-State = 49x max ratio even though 52X is still chosen and turbo 52x on too.
    2.disable turbo mode = 50x max ratio only if you follow this order. Turn off turbo before Cstate and stuck @49x
    3.Rest power state settings make no difference 50x max but same issue when load is given ratio drops.
    Screens to large had to post links, bottom line I still needing some love from MSI & I still waiting for a response to my ticket.
    http://home.bendbroadband.com/bypolar/MSI/Final/[email protected]
    http://home.bendbroadband.com/bypolar/MSI/Final/[email protected]
    http://home.bendbroadband.com/bypolar/MSI/Final/[email protected]
    http://home.bendbroadband.com/bypolar/MSI/Final/[email protected]
    http://home.bendbroadband.com/bypolar/MSI/Final/[email protected]
    http://home.bendbroadband.com/bypolar/MSI/Final/pt.jpg
    http://home.bendbroadband.com/bypolar/MSI/Final/ptt.jpg

  • MOVED: Z68a-GD80 b3 bios fail ?

    This topic has been moved to Intel Core-iX boards.
    https://forum-en.msi.com/index.php?topic=167520.0

    All you can do is try a full cmos clear w/ a bare bones set-up. What you should have done when you saw the blinking light was enable multi bios update in bios to recover the bad bios.
    Probably the simplest thing to do is bring the board to a computer shop with an SPI programmer. It will probably cost around $50-$75 to get this fixed.
    If you have a Sandy bridge CPU, stick with 7672vH5.zip unless there are issues. If you absolutely need to flash your bios, use the forum flash tool and archives.
    >>BIOSes<<

  • MOVED: GTX 670 PE TDP throttling issues

    This topic has been moved to Overclocking, Undervolting.
    https://forum-en.msi.com/index.php?topic=160698.0

    Quote from: Froggy Gremlin on 04-August-12, 09:05:08
    So even if 2000Mhz is achieved for an hour or two, what is the significance? Unless the throttling is causing a noticable problem in an application or game, not sure the point in trying to do anything about it. Throttle is usually implemented when idle, low use or demand is taking place. No need to provide a graph as it only applies to your unique pc and hardware. Too much time is spent nowdays looking at theoretical bench marks, temps, voltages, and fiddling around in a BIOS all day long instead of actually using the pc for a genuine purpose.
    Added: Just so this reply is not taken as mean spirited or malicious, if it is that important, recommend to contact both MSI and nVidia engineers for an explanation.
    > Contact MSI <
    I'm not 100% sure you understand what throttling is.  Throttling is a almost always a safety mechanism.  In the past it was exclusively used when the chip go too hot.  Now Nvidia is using it to limit the overclock potential of Kepler.  This is what the Power Limit is.  When the GPU reaches a certain percentage of TDP (mine is limited to 114%, but doesn't actually reach that...) it throttles.  Throttling means the card uncontrollably reduces clock speeds and voltage. 
    More demanding games and stress tests will cause this to occur at lower clock speeds as they draw more power and reach the TDP faster.  I have yet to experience this in Kombustor, but it happens with anything over ~1370mhz on Heaven.
    To be clear, I'm not actually complaining about the Power Limit (although it is terribly obnoxious of Nvidia to create all of these barriers to overclocking with kepler) I'm trying to determine the cause of the PREMATURE throttling.  I would expect it to throttle at 114% TDP as that is what it's set at, but it throttles at 100-102%.

  • Z68A GD80 G3 Hard Drive issue

    My hard drives keep disappearing. Everytime I boot one of them is gone. Maybe 1 out of 10 boots will show both drives. The DVD drive seems to always show up but not both hard drives. I have tried ide, ahci and raid mode. Option rom doesn't always show up when set to raid mode. Even with 1 drive installed it would list it in the boot order but in the system status it would list as not present.
    Tried multiple Bios from latest stable to latest beta. Always reset bios afterwards with removing power cable and battery.  Went out and bought new sata cables. Moved from sata 3 to sata 2 ports and it happens no matter what.
    I have 1 western digital caviar blue 640gb and 1 OCZ vertex 2 60gb. I initially tried to do SRT but whenever I rebooted it would be disabled. Logging into windows after removing the acceleration would work and then I could log into Intel RST and it would say the drive was missing (even though I just booted from it).
    Is there an update somewhere or something. Is this normal behavior? Is this a common problem? I have seen people talk about it on other motherboard manufaturer forums.

    Something is wrong with the motherboard. I got windows reinstalled on the new hard drive I bought and there are too many issues going on. Seatools lists both driver's as failing the short drive self test. Devices will randomly be found by Windows. After sitting here for 2 hours it just popped up that it found some thermal sensor. Internet explorer will randomly go unresponsive and need to be force closed. every time I try to shut down windows it hangs on the exit windows sound which needs to be force closed. Intel SRT sets up fine then disables at reboot saying that the SSD is missing but when I go into the option ROM it says in sync and lists it as a caching drive.
    BTW Aida64 lists the 5v as 5.003v I know the on board sensor isn't as precise as a digital multimeter but that is well within tolerances.
    Unless someone has any idea what it could be I am going to request a replacement from Newegg tomorrow.

  • MOVED: Z68A GD80 G3 Overclocking

    This topic has been moved to Overclockers & Undervolting & Modding Corner.
    https://forum-en.msi.com/index.php?topic=154314.0

    You should state all your system specs for a start. >>Posting Guide<<
    Your intended Overclock outcome will determine which method to use. It is always advisable to maintain all the power saving features when OC'ing these boards and most CPUs will allow for a typical 4,4 to 4,6GHz OC with everything left on Auto, except the turbo cores that you set to the desired OC multi. These you will find under the advanced CPU feature.
    As soon as you set a CPU core voltage or the CPU multi manually, you will loose the power saving features.

  • MOVED: Z68A-GD80 (B3) + Corsair Vengeance: Which HSF will fit?

    This topic has been moved to Overclockers & Undervolting & Modding Corner.
    https://forum-en.msi.com/index.php?topic=149179.0

    Quote from: Bernhard on 01-June-11, 17:17:43
    OCGenie pushes voltages higher than what is really needed. Thus part of your temps are probably a direct cause of this.
    I'm totally newbie on over clocking. On Q6600 I just raising up the FSB without increasing up the voltage. Maybe I should learn in an advance way to over clocking 2600K. Thanks for OCGenie Info
    Quote
    Keep it that way. Mine is in the cupboard. I have The Noctua NH-C14 and it performs as well as the H70 on CPU core temps but has the added advantage of cooling the CPU surrounds. My 2600K goes to about 64-68C core at 25-30C ambient under fullload at 4,5GHz.
    Is it Normal to have 68C on that speed? I thought any noctua could cooling it down to 53C based on review. Maybe I missed something in the review didn't stated whether it was conducted on winter or summer... I'll find that on local store.
    Quote
    It will be a tight fit, and you may have to install the RAM before the cooler.
    Nice tips. I'll consider it if NH-D14 is my best option. Some said that I can put the fan little bit higher, since RAM Heatsink will touch the fan not touch the aluminum fin if it is installed on the right orientation.
    Quote
    Consider the Zalman 9900 as well, testing also only shows minor temp differences and HU16E has had excellent results on allhis builds with this cooler. I used one on a X58 before and it was really good. The advantage is the good clearance that allows easy RAM installation even with these oversized heatsinks on some RAM modules.
    never heard of those series before, but I'll google it. I know Zalman as the brand of my 5.1 headphone gaming series thanks for recommendation. I'll find the availabilities of those recommended brand and type.

  • Dell n5110. Unrecognized AC adapter CPU throttling issue.

    Hi!
    I am trying to bypass not recognized AC adapter issue. This is not connection problem, looks like one of chips is damaged.
    BIOS version A11.
    My CPU
    cat /proc/cpuinfo | grep 'model name' | uniq
    model name : Intel(R) Core(TM) i5-2430M CPU @ 2.40GHz
    With pstate driver "performance" governor always decide to keep lower frequency.
    cpupower output with acpi-cpufreq driver
    cpupower frequency-info
    analyzing CPU 0:
    driver: acpi-cpufreq
    CPUs which run at the same hardware frequency: 0
    CPUs which need to have their frequency coordinated by software: 0
    maximum transition latency: 10.0 us.
    hardware limits: 800 MHz - 2.40 GHz
    available frequency steps: 2.40 GHz, 2.40 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz, 1.20 GHz, 1000 MHz, 800 MHz
    available cpufreq governors: ondemand, performance
    current policy: frequency should be within 800 MHz and 2.40 GHz.
    The governor "ondemand" may decide which speed to use
    within this range.
    current CPU frequency is 2.40 GHz.
    boost state support:
    Supported: yes
    Active: yes
    25500 MHz max turbo 4 active cores
    25500 MHz max turbo 3 active cores
    25500 MHz max turbo 2 active cores
    25500 MHz max turbo 1 active cores
    cpupower monitor output
    sudo cpupower monitor
    [sudo] password for vovano:
    |Nehalem || SandyBridge || Mperf || Idle_Stats
    CPU | C3 | C6 | PC3 | PC6 || C7 | PC2 | PC7 || C0 | Cx | Freq || POLL | C1-S | C1E- | C3-S | C6-S | C7-S
    0| 0.21| 0.00| 0.14| 9.91|| 91.19| 5.04| 73.18|| 3.67| 96.33| 797|| 0.00| 1.40| 0.43| 0.23| 0.00| 94.35
    2| 0.21| 0.00| 0.14| 9.91|| 91.19| 5.04| 73.18|| 1.15| 98.85| 797|| 0.00| 0.00| 1.67| 0.00| 0.00| 97.19
    1| 0.00| 0.00| 0.14| 9.91|| 96.13| 5.04| 73.18|| 2.81| 97.19| 797|| 0.00| 0.00| 0.06| 0.00| 0.00| 97.18
    3| 0.00| 0.00| 0.14| 9.91|| 96.13| 5.04| 73.18|| 0.24| 99.76| 798|| 0.00| 0.00| 0.00| 0.00| 0.00| 99.77
    i7z
    Cpu speed from cpuinfo 2394.00Mhz
    cpuinfo might be wrong if cpufreq is enabled. To guess correctly try estimating via tsc
    Linux's inbuilt cpu_khz code emulated now
    True Frequency (without accounting Turbo) 2394 MHz
    CPU Multiplier 24x || Bus clock frequency (BCLK) 99.75 MHz
    Socket [0] - [physical cores=2, logical cores=4, max online cores ever=2]
    TURBO ENABLED on 2 Cores, Hyper Threading ON
    Max Frequency without considering Turbo 2493.75 MHz (99.75 x [25])
    Max TURBO Multiplier (if Enabled) with 1/2/3/4 Cores is 30x/28x/28x/28x
    Real Current Frequency 798.12 MHz [99.75 x 8.00] (Max of below)
    Core [core-id] :Actual Freq (Mult.) C0% Halt(C1)% C3 % C6 % Temp VCore
    Core 1 [0]: 797.81 (8.00x) 6.88 96.7 1 0 49 0.8055
    Core 2 [1]: 798.12 (8.00x) 4.57 98.5 0 0 49 0.8005
    C0 = Processor running without halting
    C1 = Processor running with halts (States >C0 are power saver modes with cores idling)
    C3 = Cores running with PLL turned off and core cache turned off
    C6, C7 = Everything in C3 + core state saved to last level cache, C7 is deeper than C6
    Above values in table are in percentage over the last 1 sec
    [core-id] refers to core-id number in /proc/cpuinfo
    'Garbage Values' message printed when garbage values are read
    Ctrl+C to exit
    So real frequency is 800MHz, not 2.4GHz as governor says. Performance of laptop is according to it.
    With "userspace" governor and -f 2.4GHz same problem. It is not in available cpufreq governors because of reinstalling.
    BIOS limit is ok.
    cat /sys/devices/system/cpu/cpu0/cpufreq/bios_limit
    2401000
    cat /sys/module/processor/parameters/ignore_ppc
    1
    MSR multiplier is 8. Always.
    sudo rdmsr 0x198 -a --decimal --bitfield 15:8
    8
    8
    8
    8
    My write to msr 0x199 has no effect, coz it constantly overwritten.
    Even with uninstalled cpu frequency utils.
    Does anyone have any idea why this is happening??
    Last edited by Vovano (2015-06-05 15:11:01)

    nagaseiori wrote:I have the Dell N4110, the 14 inch model. I sometimes get that error in the BIOS if I remove the AC adapter, turn off the computer, plug in the AC adapter, and turn on the computer again. I have to turn on the computer without the AC adapter and then plug it in later after POST.
    DATA pin of AC adapter was shorted with 19V. Recognition circuit is dead, I checked with an oscilloscope.

  • MOVED: Z68A GD80 G3 Weird problem

    This topic has been moved to Overclockers & Undervolting & Modding Corner.
    https://forum-en.msi.com/index.php?topic=154319.0

    hi HU16E
    Sry fore the late reply..
    well i think it dosent matter cuz i found out even if i youse the OC genien button it does the same it cant overclock
    hmm maby a bad flash ? i couldent flash the bios no matter what i did not even USB only thing that worked was live update..
    this is getting rather annoying any sugestions? maby a flash to the old bios agine ?

  • MOVED: Z68a-GD80 (G3) Boot-Looping

    This topic has been moved to Intel Core-iX boards.
    https://forum-en.msi.com/index.php?topic=160958.0

    Quote from: Golono on 16-August-12, 06:02:23
    I am unable to locate these green stickers. Could you specify their location? Also, just wondering, how would the information on those stickers help diagnose/solve the problem?
    Quote from: Golono on 16-August-12, 06:02:23
    I am unable to locate these green stickers. Could you specify their location?
    look at my image that i give you, they are on the bottom left side just below "MSI" heatsink.
    Quote
    Also, just wondering, how would the information on those stickers help diagnose/solve the problem?
    it can tell us what's the board shipped BIOS version.
    If its not the latest BIOS version, you can't boot with your Ivy Bridge CPU

  • MSI Z68A-GD80(B3) random freeze problems

    Hi,
    This newbie around here has a problem:
    The following system freezes randomly without warning:
    MB:    MSI Z68A-GD80(B3)
    CPU:    2600K
    Cooling: Corsair H60 (temps idle mid 20's, under load <60C)
    IGP:     Integrated, using DVI
    RAM:   Corsair vengeance 1600 , 4x4 16GB (9-9-9-27)
    HD:     Corsair M4 SSD 256 GB
    OS:     Win7 x64
    PSU:    Chieftec, 80+, 650W modular
    No other components/peripherals installed/attached
    When BIOS /UEFI is set to all defaults: system will run normally with no freezes, as soon as I hit the OC genie button, the system starts up normally into windows, but will suddenly freeze at any given time under full load but also under idle.
    I've read all relevant threads about this "behavior" and I know I'm not alone, but after really trying every conceivable idea as suggested by many knowledgeable persons on this forum I'm completely stuck.
    Things tried so far:
    Manual adjustments in UEFI withou using OC genie button
    Use one ram stick in slot one, (incl running at default 1333Mhz)
    Use various Dram voltages (default 1.5 V and tried all possibilities up till 1,65 Volt)
    Use various Vcore voltages till 1,45 Volts
    Between all those various scenarios CMOS has been reset and cleared
    Does any of you have any suggestions of where to proceed from here in order to get a stable OC'ed system?
    Thanks in advance.

    There are two things to consider.
    1. The individual CPU speciman you have may just be one that does not allow much in terms of overclocking. This is the part that is the hardest to accept but the fact is that testing has provided the following results.
    Quote
    The results below are based on the range of the CPU turbo multiplier when overclocking.
    Results are representative of 100 D2 CPUs that were binned and tested for stability under load; these results will most likely represent retail CPUs.
    1. Approximately 50% of CPUs can go up to 4.4~4.5 GHz
    2. Approximately 40% of CPUs can go up to 4.6~4.7 GHz
    3. Approximately 10% of CPUs can go up to 4.8~5 GHz (50+ multipliers are about 2% of this group)
    So the luck of the draw is always present, unfortunately 
    2. You are using the IGP. This will affect the overclockability of the CPU to some extent. By how much, I don't know, but on my 1156 socket i3 it had quite a large effect. If you know someone with a low end GPU that you can test with, then disable your IGP and retest to see if the results are any different.
    A couple of things to check. What BIOS version do you have, and if there are any later BIOS' that address this ?
    Reseat your CPU, inspect the CPU pad indentations at the the same time and check for any bent pins on the socket or any foreign matter in between the pins.
    Recheck all your power connectors, especially the CPU power connector for proper seating.

  • Frustraited with Z68A-GD65 G3 Throttling issues

    Well, I can't seem to beat these throttling issues. I've now successfully tried every single Beta BIOS including V23.3B4 (N34) which many claim seems to have fixed the throttling issues, but it doesn't seem to work for me.
    In the past couple of hours I've tried N34, N48, N49, N60, N40, and every other beta bios lised in https://forum-en.msi.com/index.php?topic=151148.200 that thread.
    I've disabled everything in the BIOS that could have anything to do with this to my knowledge, but could someone please provide a list of things that must be turned off to prevent throttling? I've turned off everythign I can see/think of....But still, I boot into windows, running at 50x100 at 1.4vcore, everything's running smooth, run Intel Burn Test, and immediately watch the multi in cpu-z as well as realtemp drop to around 41 or 44 or 46, it bounces around, but WILL NOT STAY at 50!!!!! ?!?!
    I've read somewhere that the original BIOS version, N00, did not throttle - does anyone know where I can get it to give that a shot?

    Quote from: Bernhard on 30-January-12, 14:02:01
    Lets keep the language to standard English please. This is an international forum and slang is not understood by everyone.
    If your CPU is limited at 4,6 with a reasonable voltage, then accept that. Yes, you can push it further with huge voltage increases, but at the risk of ruining the CPU. Some CPUs just need more voltage than others.
    This thread is about throttling, lets focus on that. If you have another issue, then start a new thread.
    No problems with my throttling.
    HU16E was hinting towards a setting in the CPU features.  Not voltage but related to TDP.  
    My 2500k can pass Intel Burn Test with 1.35v at 4.6GHZ no problem.  However any multiplier higher than 46 and I have to massively increase voltage to get it stable.  The voltage beyond 1.35v at 4.6ghz doesn't seem to be scaling correctly.  There is no offset voltage setting on the BIOS and I'm not sure which settings HU16E is hinting towards.  
    I think there is some type of electronic harmonic inbalance when I increase voltage beyond 1.36v.  I have a very good power supply.  I have fantastic water cooling.  I have a great cpu from what I can see for it's ability to run stable with auto voltage at the 4.6GHZ mark with x46 multiplier.
    I don't think my CPU is at it's max potential.  I just think a BIOS setting is off or there is a better BIOS that I need to be running for over clocking.  I'm running the official v23.6 right now.

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